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description Publicationkeyboard_double_arrow_right Article , Conference object , Research 2007 France FrenchPublisher:HAL CCSD Authors: Aubert, Francis; Berriet-Solliec, Marielle; Gaigné, Carl;Aubert, Francis; Berriet-Solliec, Marielle; Gaigné, Carl;National audience; Le deuxième pilier de la PAC regroupe un ensemble de mesures orientées sur les structures et facteurs de production agricoles, l’environnement et la gestion de l’espace, les activités et le cadre de vie ruraux. Il bénéficie d’un règlement (RDR) et d’un fonds d’intervention (FEADER) spécifiques. Toutefois, l’articulation étroite de la politique de développement rural à la politique agricole pose deux séries de questions : les unes relatives à la subordination des mesures rurales à l’atteinte des objectifs agricoles, y compris en termes de compensation, les autres relatives à la pertinence des leviers agricoles pour le développement des zones rurales. Face à cette double ambiguïté, des politiques rurales conçues dans une optique d’aménagement du territoire et de développement régional sont effectivement élaborées et mises en oeuvre concrètement, par les collectivités territoriales, selon des modalités différenciées qui portent le risque d’entretenir ou même amplifier les disparités régionales. Français
ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2007Full-Text: https://hal.science/hal-02416853/documentHyper Article en Ligne; Mémoires en Sciences de l'Information et de la CommunicationOther literature type . Article . 2007All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::8e38294758979f21a38bb2e52feb8d42&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2007Full-Text: https://hal.science/hal-02416853/documentHyper Article en Ligne; Mémoires en Sciences de l'Information et de la CommunicationOther literature type . Article . 2007All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::8e38294758979f21a38bb2e52feb8d42&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint , Research , Other literature type 2021 FrancePublisher:Elsevier BV Authors: Delcey, Thomas; Noblet, Guillaume;Delcey, Thomas; Noblet, Guillaume;doi: 10.2139/ssrn.3938209
handle: 10419/244231
This article offers a historical analysis of the contributions of U.S. interwar agricultural economics to the economics of information. Concerned with improving the circulation of information on agricultural markets, agricultural economists analyzed the relationship between agents' information and the behavior of prices on agricultural commodity exchanges, thus anticipating modern debates on informational efficiency. We show that these debates were part of a more general context of agricultural market reform led by the U.S. administration to improve the production and diffusion of economic information. We argue that such reforms were a prerequisite for theoretical discussions on information, and established institutional tools that are still active today, such as the USDA market news service.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
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You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.3938209&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.3938209&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Research 2012 FrancePublisher:Editions NecPlus Sodjinou, Epiphane; Henningsen, Arne; Koudande, Delphin O.; Biaou, Gauthier; Mensah, Guy Apollinaire;handle: 10419/204373
Village poultry, also termed “bicycle poultry” is produced in scavenging farming systems and is a chewy meat with a low fat content, and constitutes an important source of meat in many African countries. This study investigates consumers’ preferences regarding the physical traits of these birds (notably chickens, ducks and guinea fowl) in the Republic of Benin. For this purpose, we applied the hedonic price method on field data collected from retailers in four urban and five rural markets. We found that meatier drake and meatier guinea fowl with white plumage are preferred by consumers who are willing to pay a premium for these types of birds. The factors which significantly influence the price of chicken are the breed of the bird, the plumage color, the meatiness and the age of the bird. Consumers are willing to pay a price premium for meatier birds of traditional breeds with white plumage color and aged between six and twelve months. Thus, efforts to improve local breeds should stress these preferred traits. Sodjinou Epiphane, Henningsen Arne, Olorounto Koudandé Delphin, Biaou Gauthier, Mensah Guy Apollinaire. Consumers’ preferences for “bicycle poultry” in Benin: Implications for the design of breeding schemes. In: Revue d’études en Agriculture et Environnement, Vol. 96, N°3, 2015. pp. 389-409.
Revue d’études en Ag... arrow_drop_down Revue d’études en Agriculture et Environnement; Research Papers in EconomicsArticle . Preprint . 2014https://www.persee.fr/doc/reae...Article . 2015Data sources: Périodiques Scientifiques en Édition ÉlectroniqueMémoires en Sciences de l'Information et de la CommunicationArticle . 2015Full-Text: https://hal.science/hal-01885090/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.4074/s196696071500301x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 2 citations 2 popularity Average influence Average impulse Average Powered by BIP!more_vert Revue d’études en Ag... arrow_drop_down Revue d’études en Agriculture et Environnement; Research Papers in EconomicsArticle . Preprint . 2014https://www.persee.fr/doc/reae...Article . 2015Data sources: Périodiques Scientifiques en Édition ÉlectroniqueMémoires en Sciences de l'Information et de la CommunicationArticle . 2015Full-Text: https://hal.science/hal-01885090/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.4074/s196696071500301x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Research 2008 France FrenchVannier, Clémence; Delattre, Thomas; Le Féon, Violette; Vasseur, Chloé; Boussard, Hugues;La zone atelier de Pleine-Fougères réunit et fait se confronter sur un même territoire des chercheurs de différentes disciplines qui trouvent une entrée commune au niveau du paysage, produit d'interactions entre nature et société. Cette notion de paysage peut être appréhendée de manières très diverses selon des disciplines. Afin de fournir un cadre commun à la recherche interdisciplinaire, nous présentons à travers quatre travaux de thèses en écologie du paysage et en géographie : 1. une conceptualisation commune du paysage comme un « espace multi-couches » ; 2. la zone atelier, ses recherches, son paysage et ses ressources ; 3. une réponse à des questions de recherche interdisciplinaire, en s'appuyant sur l'exemple des éléments linéaires ; 4. la complémentarité de différents travaux menés sur la zone atelier et ce qui en fait un véritable outil de recherche interdisciplinaire The « zone Atelier de Pleine-Fougères » meets and confront on one territory researchers from different diciplines who find a common entrance at the landscape level, the product of interactions between nature and society. This concept of landscape can be understood in very different ways of disciplines. To provide a common framework for interdisciplinarity research, we present through phD works of landscape ecology and geography: 1. a common conceptualization of landscape as a «multi-layer»; 2. area worshop, its research, its landscape and its resources; 3. through the example of linear elements, how to respond to issues of interdisciplinary research; 4. the complementarities of different work of the zone atelier and what make it a real interdisciplinary research tool
ProdInra arrow_drop_down HAL-Rennes 1; Mémoires en Sciences de l'Information et de la CommunicationConference object . 2008Full-Text: https://hal.science/hal-01458477/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2008HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2009HAL - UPEC / UPEM; HAL-Pasteur; Hyper Article en Ligne; HAL-Inserm; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Article . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2100::e91ff4ab15c8f34db21c4f09372cef79&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ProdInra arrow_drop_down HAL-Rennes 1; Mémoires en Sciences de l'Information et de la CommunicationConference object . 2008Full-Text: https://hal.science/hal-01458477/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2008HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2009HAL - UPEC / UPEM; HAL-Pasteur; Hyper Article en Ligne; HAL-Inserm; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Article . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2100::e91ff4ab15c8f34db21c4f09372cef79&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Research 1998 FrancePublisher:Springer Science and Business Media LLC Authors: Caron, Henri; Dutech, C.; Bandou, Eric;Caron, Henri; Dutech, C.; Bandou, Eric;The mating system of a tropical rain forest tree Dicorynia guianensis (Caesalpiniaceae) was studied using allozyme analyses and the multilocus mixed mating programme of Ritland. Open-pollinated progenies were collected in 1993 and 1995 on logged and control plots of a sylvicultural trial in Paracou (French Guiana). D. guianensis exhibited a high outcrossing rate (tm) for the global population which was remarkably stable in spite of a high variation of the flowering rate between the 2 years. The individual outcrossing rates (ti) varied, but significant relations were not found between tm or ti and the density of flowering. Heterogeneity of pollen clouds existed at the patch and individual level, but not at the population level. Spatial autocorrelation statistics were used to investigate spatial structures of pollen clouds: there were not any significant spatial correlation. Pollen dispersion distances of up to 190 m were detected with rare allozymes. There was no significant difference between outcrossing rate when computing separate estimates for trees located on logged plots and control plots. Le régime de reproduction de Dicorynia guianensis (caesalpiniaceae), arbre de la forêt guyanaise a été étudié à l’aide des marqueurs enzymatiques. Le matériel végétal a été collecté en 1993 et 1995, sur le dispositif sylvicole de Paracou. Le taux d’allofécondation moyen de la population est élevé, tm = 0,85, stable d’une année à l’autre malgré une variation importante du taux de floraison. Le taux individuel varie entre les arbres mais aucune corrélation n’a pu être établie avec des facteurs spatiaux, densité de floraison ou distance aux plus proches voisins. L’hétérogénéité des nuages polliniques est sensible au niveau des agrégats et des arbres individuels, échelle spatiale où se déploie l’activité des insectes pollinisateurs. Nous n’avons en évidence aucune corrélation spatiale entre compositions des nuages polliniques individuels. Des distances de migration du pollen de 190 mètres ont été mise en évidence grâce aux allèles rares. Aucune différence significative du régime de reproduction de D. guianensis n’a été trouvée entre parcelles traitées et parcelles témoin du dispositif.
Agritrop arrow_drop_down Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.science/hal-01032382/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-00894238/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-01032370/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 1998HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermConference object . 1997add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/gse:19980709&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 13 citations 13 popularity Average influence Average impulse Average Powered by BIP!more_vert Agritrop arrow_drop_down Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.science/hal-01032382/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-00894238/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-01032370/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 1998HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermConference object . 1997add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/gse:19980709&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Research , Other literature type , Preprint 2005 France, Switzerland, GermanyPublisher:Copernicus GmbH Authors: B. Ahrens; B. Ahrens;B. Ahrens; B. Ahrens;Spatial interpolation of rain gauge data is impor-tant in forcing of hydrological simulations or evaluation ofweather predictions, for example. This paper investigatesthe application of statistical distance, like one minus com-mon variance of observation time series, between data sitesinstead of geographical distance in interpolation. Here, asa typical representative of interpolation methods the inversedistance weighting interpolation is applied and the test datais daily precipitation observed in Austria. Choosing statis-tical distance instead of geographical distance in interpola-tion of available coarse network observations to sites of adenser network, which is not reporting for the interpolationdate, yields more robust interpolation results. The most dis-tinct performance enhancement is in or close to mountainousterrain. Therefore, application of statistical distance in theinverse distance weighting interpolation or in similar meth-ods can parsimoniously densify the currently available obser-vation network. Additionally, the success further motivatessearch for conceptual rain–orography interaction models ascomponents of spatial rain interpolation algorithms in moun-tainous terrain. Hydrology and Earth System Sciences, 10 (2) ISSN:1027-5606 ISSN:1607-7938
Research Collection arrow_drop_down Hydrology and Earth System Sciences (HESS)Article . 2006 . Peer-reviewedLicense: CC BY NC SAData sources: CrossrefHochschulschriftenserver - Universität Frankfurt am MainArticle . 2005Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHochschulschriftenserver - Universität Frankfurt am MainArticle . 2006Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHydrology and Earth System Sciences (HESS)Article . PreprintLicense: CC BY ND SAData sources: UnpayWallHydrology and Earth System Sciences (HESS)Other literature type . 2018Data sources: Copernicus PublicationsMémoires en Sciences de l'Information et de la CommunicationArticle . 2006Full-Text: https://hal.science/hal-00304836/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 2005Full-Text: https://hal.science/hal-00298708/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/hessd-2-1893-2005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 126 citations 126 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 4visibility views 4 Powered bymore_vert Research Collection arrow_drop_down Hydrology and Earth System Sciences (HESS)Article . 2006 . Peer-reviewedLicense: CC BY NC SAData sources: CrossrefHochschulschriftenserver - Universität Frankfurt am MainArticle . 2005Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHochschulschriftenserver - Universität Frankfurt am MainArticle . 2006Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHydrology and Earth System Sciences (HESS)Article . PreprintLicense: CC BY ND SAData sources: UnpayWallHydrology and Earth System Sciences (HESS)Other literature type . 2018Data sources: Copernicus PublicationsMémoires en Sciences de l'Information et de la CommunicationArticle . 2006Full-Text: https://hal.science/hal-00304836/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 2005Full-Text: https://hal.science/hal-00298708/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/hessd-2-1893-2005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Research , Other literature type 1994 FrancePublisher:Springer Science and Business Media LLC Authors: F. Balfourier; G. Charmet;F. Balfourier; G. Charmet;À partir d’une collection de 547 populations naturelles de ray-grass anglais, préalablement étudiées pour des caractères d’intérêt agronomique, 42 populations sont choisies à l’aide d’analyses multivariables et en fonction de critères agronomiques et écogéographiques, afin de constituer 9 pools typés et représentatifs de la diversité observée. Cette méthode de constitution de pools est présentée comme une étape de présélection, permettant la conservation de la diversité et la préparation de matériel génétique original, plus directement utilisable ensuite en sélection. Le choix des critères retenus, pour constituer ces pools, est discuté, puis justifié à l’aide d’analyses discriminantes et d’analyses isoenzymatiques. Enfin, les études expérimentales, à mettre en œuvre pour vérifier la pertinence des regroupements ainsi réalisés, sont proposées. From 547 natural populations of perennial ryegrass previously studied for agronomic characteristics, 42 populations were chosen and regrouped in order to create 9 breeding or pool populations representative of the observed diversity. Agronomic and ecogeographic criteria were taken into account and multivariate analyses were used. This method of pool creation is presented as a pre-breeding process allowing the conservation of diversity and the preparation of genetically original material which can be used directly in breeding programmes. The criteria used in creating the pool populations are discussed and justified with the help of discriminant analyses and isozyme studies. Finally, further experimental studies needed in order to verify the relevance of these groupings are proposed.
Genetics Selection E... arrow_drop_down Genetics Selection EvolutionArticle . 1994 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1994Full-Text: https://hal.science/hal-00894064/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/1297-9686-26-s1-s203&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 3 citations 3 popularity Average influence Average impulse Average Powered by BIP!more_vert Genetics Selection E... arrow_drop_down Genetics Selection EvolutionArticle . 1994 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1994Full-Text: https://hal.science/hal-00894064/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/1297-9686-26-s1-s203&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Book , Article , Research 2008 France FrenchPublisher:HAL CCSD Compagnone, Claude; Hellec, Florence; Morlon, Pierre; Macé, Karen; Munier-Jolain, Nicolas; Quéré, Lionel;Pour accompagner les agriculteurs vers des systèmes et des pratiques plus « durables », il faut partir de ce qu’ils font actuellement : comment ils raisonnent leurs pratiques, et comment ils élaborent ces raisonnements. Le regard des agronomes montre que les agriculteurs ont des itinéraires techniques de désherbage complexes et divers, qui s’insèrent dans un raisonnement à plusieurs échelles de temps : la campagne agricole, la rotation et le long terme. Il permet aussi d’approcher la structure des processus de décision et la façon dont ces itinéraires se modifient au cours du temps, par accumulation d’expérience ou en réponse à des facteurs extérieurs. Le regard du sociologue porte sur l’aspect cognitif du changement chez des viticulteurs, et sur le dialogue entre viticulteurs et entre viticulteurs et conseillers To ensure successful, more sustainable weed management practices, it is crucial to take account of farmer’s decision-making processes. Agronomists revealed that interviewed farmers had complex and various weeding programmes, and that, when designing these programmes, they integrated different time scales: the current year, the rotation, and the long term. They gave some light, too, on the decision-making processes and how it changes over time. Sociologists analyzed the way wine-growers bring about change from the cognitive angle and its bearing on interactive dialogue between the wine-growers themselves as well as with technical advisors
ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2008Full-Text: https://hal.inrae.fr/hal-02819315/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotArticle . 2008License: CC BY NC NDFull-Text: https://hal.inrae.fr/hal-02667279/documentHAL - Université de Bourgogne (HAL-uB); Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Conference object . 2008 . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::080992003415c88965b17e7e1b7353a3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2008Full-Text: https://hal.inrae.fr/hal-02819315/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotArticle . 2008License: CC BY NC NDFull-Text: https://hal.inrae.fr/hal-02667279/documentHAL - Université de Bourgogne (HAL-uB); Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Conference object . 2008 . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::080992003415c88965b17e7e1b7353a3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Research 1998 FrancePublisher:Springer Science and Business Media LLC Authors: Joly, Thierry; de Rochambeau, Hubert; Renard, Jean-Paul;Joly, Thierry; de Rochambeau, Hubert; Renard, Jean-Paul;Les cryobanques d’embryons peuvent apporter une aide précieuse au maintien de la diversité génétique des populations d’animaux domestiques. Nous avons mis en place une telle banque chez le lapin (Oryctolagus cuniculus), espèce d’intérêt zootechnique, mais aussi modèle animal pour la recherche biomédicale. Après avoir choisi plusieurs populations de lapins pour représenter au mieux la diversité génétique chez cette espèce, nous avons d’abord déterminé quel était le nombre de lapereaux obtenus à partir d’un nombre donné d’embryons congelés. Nos résultats montrent qu’en moyenne 40 lapereaux sont produits après décongélation de 100 embryons. Ce taux varie du simple au double d’une population à l’autre. Ensuite, selon la population considérée, le nombre d’animaux nécessaire pour produire ces embryons varie du simple au triple. À partir de ces données, il est possible de définir pour chaque population de lapin retenue les caractéristiques de l’échantillon d’animaux à utiliser comme donneurs d’embryons. Embryo cryobanks are a valuable tool for maintaining the genetic variability in domestic animal populations. Such a bank was built for the rabbit (Oryctolagus cuniculus), a multiple purpose species, which is bred for its meat, wool and fur as well as biomedical research. Several populations were selected to sample the whole genetic diversity. This paper aims firstly at evaluating the number of young rabbits born from one batch of frozen embryos. Forty newborn rabbits were obtained from 100 embryos. This result varies from one to two between populations. However, the number of bucks and does necessary to produce one batch of embryos varies from one to three between populations. Later, we will have to address the problem of the size of the population that will produce the embryos and whether to store one gene or to preserve the genetic variability of one population.
Mémoires en Sciences... arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 1998Full-Text: https://hal.science/hal-00894244/documentHyper Article en Ligne; Hal-DiderotOther literature type . Article . 1998Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.inrae.fr/hal-02684940/documentMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.inrae.fr/hal-02835113/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesgold 7 citations 7 popularity Average influence Average impulse Average Powered by BIP!more_vert Mémoires en Sciences... arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 1998Full-Text: https://hal.science/hal-00894244/documentHyper Article en Ligne; Hal-DiderotOther literature type . Article . 1998Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.inrae.fr/hal-02684940/documentMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.inrae.fr/hal-02835113/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Research 2006 FrancePublisher:EDP Sciences Authors: Carnus, Jean-Michel;Carnus, Jean-Michel;Avant-propos (foreword); International audience
Hyper Article en Lig... arrow_drop_down Hyper Article en Ligne; Hal-DiderotOther literature type . Article . 2006Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2006Full-Text: https://hal.science/hal-00884007/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2004Full-Text: https://hal.inrae.fr/hal-02814197/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/forest:2006039&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Hyper Article en Lig... arrow_drop_down Hyper Article en Ligne; Hal-DiderotOther literature type . Article . 2006Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2006Full-Text: https://hal.science/hal-00884007/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2004Full-Text: https://hal.inrae.fr/hal-02814197/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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description Publicationkeyboard_double_arrow_right Article , Conference object , Research 2007 France FrenchPublisher:HAL CCSD Authors: Aubert, Francis; Berriet-Solliec, Marielle; Gaigné, Carl;Aubert, Francis; Berriet-Solliec, Marielle; Gaigné, Carl;National audience; Le deuxième pilier de la PAC regroupe un ensemble de mesures orientées sur les structures et facteurs de production agricoles, l’environnement et la gestion de l’espace, les activités et le cadre de vie ruraux. Il bénéficie d’un règlement (RDR) et d’un fonds d’intervention (FEADER) spécifiques. Toutefois, l’articulation étroite de la politique de développement rural à la politique agricole pose deux séries de questions : les unes relatives à la subordination des mesures rurales à l’atteinte des objectifs agricoles, y compris en termes de compensation, les autres relatives à la pertinence des leviers agricoles pour le développement des zones rurales. Face à cette double ambiguïté, des politiques rurales conçues dans une optique d’aménagement du territoire et de développement régional sont effectivement élaborées et mises en oeuvre concrètement, par les collectivités territoriales, selon des modalités différenciées qui portent le risque d’entretenir ou même amplifier les disparités régionales. Français
ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2007Full-Text: https://hal.science/hal-02416853/documentHyper Article en Ligne; Mémoires en Sciences de l'Information et de la CommunicationOther literature type . Article . 2007All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::8e38294758979f21a38bb2e52feb8d42&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la CommunicationArticle . 2007Full-Text: https://hal.science/hal-02416853/documentHyper Article en Ligne; Mémoires en Sciences de l'Information et de la CommunicationOther literature type . Article . 2007All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::8e38294758979f21a38bb2e52feb8d42&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Preprint , Research , Other literature type 2021 FrancePublisher:Elsevier BV Authors: Delcey, Thomas; Noblet, Guillaume;Delcey, Thomas; Noblet, Guillaume;doi: 10.2139/ssrn.3938209
handle: 10419/244231
This article offers a historical analysis of the contributions of U.S. interwar agricultural economics to the economics of information. Concerned with improving the circulation of information on agricultural markets, agricultural economists analyzed the relationship between agents' information and the behavior of prices on agricultural commodity exchanges, thus anticipating modern debates on informational efficiency. We show that these debates were part of a more general context of agricultural market reform led by the U.S. administration to improve the production and diffusion of economic information. We argue that such reforms were a prerequisite for theoretical discussions on information, and established institutional tools that are still active today, such as the USDA market news service.
add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.3938209&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.2139/ssrn.3938209&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Other literature type , Research 2012 FrancePublisher:Editions NecPlus Sodjinou, Epiphane; Henningsen, Arne; Koudande, Delphin O.; Biaou, Gauthier; Mensah, Guy Apollinaire;handle: 10419/204373
Village poultry, also termed “bicycle poultry” is produced in scavenging farming systems and is a chewy meat with a low fat content, and constitutes an important source of meat in many African countries. This study investigates consumers’ preferences regarding the physical traits of these birds (notably chickens, ducks and guinea fowl) in the Republic of Benin. For this purpose, we applied the hedonic price method on field data collected from retailers in four urban and five rural markets. We found that meatier drake and meatier guinea fowl with white plumage are preferred by consumers who are willing to pay a premium for these types of birds. The factors which significantly influence the price of chicken are the breed of the bird, the plumage color, the meatiness and the age of the bird. Consumers are willing to pay a price premium for meatier birds of traditional breeds with white plumage color and aged between six and twelve months. Thus, efforts to improve local breeds should stress these preferred traits. Sodjinou Epiphane, Henningsen Arne, Olorounto Koudandé Delphin, Biaou Gauthier, Mensah Guy Apollinaire. Consumers’ preferences for “bicycle poultry” in Benin: Implications for the design of breeding schemes. In: Revue d’études en Agriculture et Environnement, Vol. 96, N°3, 2015. pp. 389-409.
Revue d’études en Ag... arrow_drop_down Revue d’études en Agriculture et Environnement; Research Papers in EconomicsArticle . Preprint . 2014https://www.persee.fr/doc/reae...Article . 2015Data sources: Périodiques Scientifiques en Édition ÉlectroniqueMémoires en Sciences de l'Information et de la CommunicationArticle . 2015Full-Text: https://hal.science/hal-01885090/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.4074/s196696071500301x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen bronze 2 citations 2 popularity Average influence Average impulse Average Powered by BIP!more_vert Revue d’études en Ag... arrow_drop_down Revue d’études en Agriculture et Environnement; Research Papers in EconomicsArticle . Preprint . 2014https://www.persee.fr/doc/reae...Article . 2015Data sources: Périodiques Scientifiques en Édition ÉlectroniqueMémoires en Sciences de l'Information et de la CommunicationArticle . 2015Full-Text: https://hal.science/hal-01885090/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.4074/s196696071500301x&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Research 2008 France FrenchVannier, Clémence; Delattre, Thomas; Le Féon, Violette; Vasseur, Chloé; Boussard, Hugues;La zone atelier de Pleine-Fougères réunit et fait se confronter sur un même territoire des chercheurs de différentes disciplines qui trouvent une entrée commune au niveau du paysage, produit d'interactions entre nature et société. Cette notion de paysage peut être appréhendée de manières très diverses selon des disciplines. Afin de fournir un cadre commun à la recherche interdisciplinaire, nous présentons à travers quatre travaux de thèses en écologie du paysage et en géographie : 1. une conceptualisation commune du paysage comme un « espace multi-couches » ; 2. la zone atelier, ses recherches, son paysage et ses ressources ; 3. une réponse à des questions de recherche interdisciplinaire, en s'appuyant sur l'exemple des éléments linéaires ; 4. la complémentarité de différents travaux menés sur la zone atelier et ce qui en fait un véritable outil de recherche interdisciplinaire The « zone Atelier de Pleine-Fougères » meets and confront on one territory researchers from different diciplines who find a common entrance at the landscape level, the product of interactions between nature and society. This concept of landscape can be understood in very different ways of disciplines. To provide a common framework for interdisciplinarity research, we present through phD works of landscape ecology and geography: 1. a common conceptualization of landscape as a «multi-layer»; 2. area worshop, its research, its landscape and its resources; 3. through the example of linear elements, how to respond to issues of interdisciplinary research; 4. the complementarities of different work of the zone atelier and what make it a real interdisciplinary research tool
ProdInra arrow_drop_down HAL-Rennes 1; Mémoires en Sciences de l'Information et de la CommunicationConference object . 2008Full-Text: https://hal.science/hal-01458477/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2008HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2009HAL - UPEC / UPEM; HAL-Pasteur; Hyper Article en Ligne; HAL-Inserm; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Article . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2100::e91ff4ab15c8f34db21c4f09372cef79&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ProdInra arrow_drop_down HAL-Rennes 1; Mémoires en Sciences de l'Information et de la CommunicationConference object . 2008Full-Text: https://hal.science/hal-01458477/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotConference object . 2008HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermArticle . 2009HAL - UPEC / UPEM; HAL-Pasteur; Hyper Article en Ligne; HAL-Inserm; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Article . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od______2100::e91ff4ab15c8f34db21c4f09372cef79&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Other literature type , Research 1998 FrancePublisher:Springer Science and Business Media LLC Authors: Caron, Henri; Dutech, C.; Bandou, Eric;Caron, Henri; Dutech, C.; Bandou, Eric;The mating system of a tropical rain forest tree Dicorynia guianensis (Caesalpiniaceae) was studied using allozyme analyses and the multilocus mixed mating programme of Ritland. Open-pollinated progenies were collected in 1993 and 1995 on logged and control plots of a sylvicultural trial in Paracou (French Guiana). D. guianensis exhibited a high outcrossing rate (tm) for the global population which was remarkably stable in spite of a high variation of the flowering rate between the 2 years. The individual outcrossing rates (ti) varied, but significant relations were not found between tm or ti and the density of flowering. Heterogeneity of pollen clouds existed at the patch and individual level, but not at the population level. Spatial autocorrelation statistics were used to investigate spatial structures of pollen clouds: there were not any significant spatial correlation. Pollen dispersion distances of up to 190 m were detected with rare allozymes. There was no significant difference between outcrossing rate when computing separate estimates for trees located on logged plots and control plots. Le régime de reproduction de Dicorynia guianensis (caesalpiniaceae), arbre de la forêt guyanaise a été étudié à l’aide des marqueurs enzymatiques. Le matériel végétal a été collecté en 1993 et 1995, sur le dispositif sylvicole de Paracou. Le taux d’allofécondation moyen de la population est élevé, tm = 0,85, stable d’une année à l’autre malgré une variation importante du taux de floraison. Le taux individuel varie entre les arbres mais aucune corrélation n’a pu être établie avec des facteurs spatiaux, densité de floraison ou distance aux plus proches voisins. L’hétérogénéité des nuages polliniques est sensible au niveau des agrégats et des arbres individuels, échelle spatiale où se déploie l’activité des insectes pollinisateurs. Nous n’avons en évidence aucune corrélation spatiale entre compositions des nuages polliniques individuels. Des distances de migration du pollen de 190 mètres ont été mise en évidence grâce aux allèles rares. Aucune différence significative du régime de reproduction de D. guianensis n’a été trouvée entre parcelles traitées et parcelles témoin du dispositif.
Agritrop arrow_drop_down Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.science/hal-01032382/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-00894238/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-01032370/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 1998HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermConference object . 1997add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.euAccess Routesgold 13 citations 13 popularity Average influence Average impulse Average Powered by BIP!more_vert Agritrop arrow_drop_down Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.science/hal-01032382/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-00894238/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.science/hal-01032370/documentHAL - UPEC / UPEM; HAL-Pasteur; HAL-Inserm; Hal-DiderotArticle . 1998HAL - UPEC / UPEM; HAL-Pasteur; HAL-InsermConference object . 1997add ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/gse:19980709&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Research , Other literature type , Preprint 2005 France, Switzerland, GermanyPublisher:Copernicus GmbH Authors: B. Ahrens; B. Ahrens;B. Ahrens; B. Ahrens;Spatial interpolation of rain gauge data is impor-tant in forcing of hydrological simulations or evaluation ofweather predictions, for example. This paper investigatesthe application of statistical distance, like one minus com-mon variance of observation time series, between data sitesinstead of geographical distance in interpolation. Here, asa typical representative of interpolation methods the inversedistance weighting interpolation is applied and the test datais daily precipitation observed in Austria. Choosing statis-tical distance instead of geographical distance in interpola-tion of available coarse network observations to sites of adenser network, which is not reporting for the interpolationdate, yields more robust interpolation results. The most dis-tinct performance enhancement is in or close to mountainousterrain. Therefore, application of statistical distance in theinverse distance weighting interpolation or in similar meth-ods can parsimoniously densify the currently available obser-vation network. Additionally, the success further motivatessearch for conceptual rain–orography interaction models ascomponents of spatial rain interpolation algorithms in moun-tainous terrain. Hydrology and Earth System Sciences, 10 (2) ISSN:1027-5606 ISSN:1607-7938
Research Collection arrow_drop_down Hydrology and Earth System Sciences (HESS)Article . 2006 . Peer-reviewedLicense: CC BY NC SAData sources: CrossrefHochschulschriftenserver - Universität Frankfurt am MainArticle . 2005Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHochschulschriftenserver - Universität Frankfurt am MainArticle . 2006Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHydrology and Earth System Sciences (HESS)Article . PreprintLicense: CC BY ND SAData sources: UnpayWallHydrology and Earth System Sciences (HESS)Other literature type . 2018Data sources: Copernicus PublicationsMémoires en Sciences de l'Information et de la CommunicationArticle . 2006Full-Text: https://hal.science/hal-00304836/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 2005Full-Text: https://hal.science/hal-00298708/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.5194/hessd-2-1893-2005&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess RoutesGreen gold 126 citations 126 popularity Top 1% influence Top 10% impulse Top 10% Powered by BIP!visibility 4visibility views 4 Powered bymore_vert Research Collection arrow_drop_down Hydrology and Earth System Sciences (HESS)Article . 2006 . Peer-reviewedLicense: CC BY NC SAData sources: CrossrefHochschulschriftenserver - Universität Frankfurt am MainArticle . 2005Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHochschulschriftenserver - Universität Frankfurt am MainArticle . 2006Data sources: Hochschulschriftenserver - Universität Frankfurt am MainHydrology and Earth System Sciences (HESS)Article . PreprintLicense: CC BY ND SAData sources: UnpayWallHydrology and Earth System Sciences (HESS)Other literature type . 2018Data sources: Copernicus PublicationsMémoires en Sciences de l'Information et de la CommunicationArticle . 2006Full-Text: https://hal.science/hal-00304836/documentMémoires en Sciences de l'Information et de la CommunicationArticle . 2005Full-Text: https://hal.science/hal-00298708/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
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For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Research , Other literature type 1994 FrancePublisher:Springer Science and Business Media LLC Authors: F. Balfourier; G. Charmet;F. Balfourier; G. Charmet;À partir d’une collection de 547 populations naturelles de ray-grass anglais, préalablement étudiées pour des caractères d’intérêt agronomique, 42 populations sont choisies à l’aide d’analyses multivariables et en fonction de critères agronomiques et écogéographiques, afin de constituer 9 pools typés et représentatifs de la diversité observée. Cette méthode de constitution de pools est présentée comme une étape de présélection, permettant la conservation de la diversité et la préparation de matériel génétique original, plus directement utilisable ensuite en sélection. Le choix des critères retenus, pour constituer ces pools, est discuté, puis justifié à l’aide d’analyses discriminantes et d’analyses isoenzymatiques. Enfin, les études expérimentales, à mettre en œuvre pour vérifier la pertinence des regroupements ainsi réalisés, sont proposées. From 547 natural populations of perennial ryegrass previously studied for agronomic characteristics, 42 populations were chosen and regrouped in order to create 9 breeding or pool populations representative of the observed diversity. Agronomic and ecogeographic criteria were taken into account and multivariate analyses were used. This method of pool creation is presented as a pre-breeding process allowing the conservation of diversity and the preparation of genetically original material which can be used directly in breeding programmes. The criteria used in creating the pool populations are discussed and justified with the help of discriminant analyses and isozyme studies. Finally, further experimental studies needed in order to verify the relevance of these groupings are proposed.
Genetics Selection E... arrow_drop_down Genetics Selection EvolutionArticle . 1994 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1994Full-Text: https://hal.science/hal-00894064/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/1297-9686-26-s1-s203&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 3 citations 3 popularity Average influence Average impulse Average Powered by BIP!more_vert Genetics Selection E... arrow_drop_down Genetics Selection EvolutionArticle . 1994 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1994Full-Text: https://hal.science/hal-00894064/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1186/1297-9686-26-s1-s203&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Conference object , Book , Article , Research 2008 France FrenchPublisher:HAL CCSD Compagnone, Claude; Hellec, Florence; Morlon, Pierre; Macé, Karen; Munier-Jolain, Nicolas; Quéré, Lionel;Pour accompagner les agriculteurs vers des systèmes et des pratiques plus « durables », il faut partir de ce qu’ils font actuellement : comment ils raisonnent leurs pratiques, et comment ils élaborent ces raisonnements. Le regard des agronomes montre que les agriculteurs ont des itinéraires techniques de désherbage complexes et divers, qui s’insèrent dans un raisonnement à plusieurs échelles de temps : la campagne agricole, la rotation et le long terme. Il permet aussi d’approcher la structure des processus de décision et la façon dont ces itinéraires se modifient au cours du temps, par accumulation d’expérience ou en réponse à des facteurs extérieurs. Le regard du sociologue porte sur l’aspect cognitif du changement chez des viticulteurs, et sur le dialogue entre viticulteurs et entre viticulteurs et conseillers To ensure successful, more sustainable weed management practices, it is crucial to take account of farmer’s decision-making processes. Agronomists revealed that interviewed farmers had complex and various weeding programmes, and that, when designing these programmes, they integrated different time scales: the current year, the rotation, and the long term. They gave some light, too, on the decision-making processes and how it changes over time. Sociologists analyzed the way wine-growers bring about change from the cognitive angle and its bearing on interactive dialogue between the wine-growers themselves as well as with technical advisors
ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2008Full-Text: https://hal.inrae.fr/hal-02819315/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotArticle . 2008License: CC BY NC NDFull-Text: https://hal.inrae.fr/hal-02667279/documentHAL - Université de Bourgogne (HAL-uB); Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Conference object . 2008 . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::080992003415c88965b17e7e1b7353a3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert ProdInra arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2008Full-Text: https://hal.inrae.fr/hal-02819315/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotArticle . 2008License: CC BY NC NDFull-Text: https://hal.inrae.fr/hal-02667279/documentHAL - Université de Bourgogne (HAL-uB); Hyper Article en Ligne; Mémoires en Sciences de l'Information et de la Communication; Hyper Article en Ligne - Sciences de l'Homme et de la Société; Hal-DiderotOther literature type . Conference object . 2008 . 2009All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=od_______177::080992003415c88965b17e7e1b7353a3&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Research 1998 FrancePublisher:Springer Science and Business Media LLC Authors: Joly, Thierry; de Rochambeau, Hubert; Renard, Jean-Paul;Joly, Thierry; de Rochambeau, Hubert; Renard, Jean-Paul;Les cryobanques d’embryons peuvent apporter une aide précieuse au maintien de la diversité génétique des populations d’animaux domestiques. Nous avons mis en place une telle banque chez le lapin (Oryctolagus cuniculus), espèce d’intérêt zootechnique, mais aussi modèle animal pour la recherche biomédicale. Après avoir choisi plusieurs populations de lapins pour représenter au mieux la diversité génétique chez cette espèce, nous avons d’abord déterminé quel était le nombre de lapereaux obtenus à partir d’un nombre donné d’embryons congelés. Nos résultats montrent qu’en moyenne 40 lapereaux sont produits après décongélation de 100 embryons. Ce taux varie du simple au double d’une population à l’autre. Ensuite, selon la population considérée, le nombre d’animaux nécessaire pour produire ces embryons varie du simple au triple. À partir de ces données, il est possible de définir pour chaque population de lapin retenue les caractéristiques de l’échantillon d’animaux à utiliser comme donneurs d’embryons. Embryo cryobanks are a valuable tool for maintaining the genetic variability in domestic animal populations. Such a bank was built for the rabbit (Oryctolagus cuniculus), a multiple purpose species, which is bred for its meat, wool and fur as well as biomedical research. Several populations were selected to sample the whole genetic diversity. This paper aims firstly at evaluating the number of young rabbits born from one batch of frozen embryos. Forty newborn rabbits were obtained from 100 embryos. This result varies from one to two between populations. However, the number of bucks and does necessary to produce one batch of embryos varies from one to three between populations. Later, we will have to address the problem of the size of the population that will produce the embryos and whether to store one gene or to preserve the genetic variability of one population.
Mémoires en Sciences... arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 1998Full-Text: https://hal.science/hal-00894244/documentHyper Article en Ligne; Hal-DiderotOther literature type . Article . 1998Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.inrae.fr/hal-02684940/documentMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.inrae.fr/hal-02835113/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/gse:19980715&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 7 citations 7 popularity Average influence Average impulse Average Powered by BIP!more_vert Mémoires en Sciences... arrow_drop_down Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 1998Full-Text: https://hal.science/hal-00894244/documentHyper Article en Ligne; Hal-DiderotOther literature type . Article . 1998Genetics Selection EvolutionArticle . 1998 . Peer-reviewedMémoires en Sciences de l'Information et de la CommunicationArticle . 1998Full-Text: https://hal.inrae.fr/hal-02684940/documentMémoires en Sciences de l'Information et de la CommunicationConference object . 1997Full-Text: https://hal.inrae.fr/hal-02835113/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/gse:19980715&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eudescription Publicationkeyboard_double_arrow_right Article , Conference object , Research 2006 FrancePublisher:EDP Sciences Authors: Carnus, Jean-Michel;Carnus, Jean-Michel;Avant-propos (foreword); International audience
Hyper Article en Lig... arrow_drop_down Hyper Article en Ligne; Hal-DiderotOther literature type . Article . 2006Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2006Full-Text: https://hal.science/hal-00884007/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2004Full-Text: https://hal.inrae.fr/hal-02814197/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/forest:2006039&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.euAccess Routesgold 0 citations 0 popularity Average influence Average impulse Average Powered by BIP!more_vert Hyper Article en Lig... arrow_drop_down Hyper Article en Ligne; Hal-DiderotOther literature type . Article . 2006Mémoires en Sciences de l'Information et de la Communication; Hal-DiderotOther literature type . Article . 2006Full-Text: https://hal.science/hal-00884007/documentMémoires en Sciences de l'Information et de la Communication; Hal-DiderotConference object . 2004Full-Text: https://hal.inrae.fr/hal-02814197/documentadd ClaimPlease grant OpenAIRE to access and update your ORCID works.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.This Research product is the result of merged Research products in OpenAIRE.
You have already added works in your ORCID record related to the merged Research product.All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=10.1051/forest:2006039&type=result"></script>'); --> </script>
For further information contact us at helpdesk@openaire.eu