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    Authors: Carton, N.; Viguier, L.; Bedoussac, L.; Journet, E.P.; +4 Authors
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    Data INRAE
    2019
    License: CC BY
    Data sources: Data INRAE
    https://doi.org/10.15454/xfdvd...
    Other ORP type . 2019
    License: CC BY
    Data sources: Sygma
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Data INRAEarrow_drop_down
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      Data INRAE
      2019
      License: CC BY
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      Other ORP type . 2019
      License: CC BY
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    Authors: DIDIER Pierrine;

    Cet article porte sur la perception des menaces sanitaires liées à l’alimentation dans un cadre domestique chez des consommateurs du Maine-et-Loire, en France. Les menaces peuvent être immédiates, avec le risque microbien, ou différées, avec un risque à long terme dû aux éléments exogènes perçus comme néfastes pour la santé (pesticides, antioxydants, etc.). Dans leur action quotidienne de s’alimenter, les consommateurs élaborent des choix qui tentent de maîtriser ou d’éviter les risques perçus ou connus inhérents à l’ingestion de nourriture. Une certaine autonomie dans la prise de risque est constatée avec l’affranchissement de certaines règles sanitaires considérées comme « dépassables ». On remarque une acceptation du risque lorsqu’il est pensé comme maîtrisé par le consommateur et une méfiance plus grande sur la possible dissimulation de la composition de certains produits alimentaires issus de l’industrie agroalimentaire. This article focuses on the perception of food-related health threats for consumers in a domestic setting in Maine-et-Loire, France. The threats can be immediate, with microbial risk, or delayed with a longterm risk due to exogenous elements that are perceived to be harmful to health (pesticides, antioxidants, etc.). In their everyday eating activities, consumers develop choices that try to control or avoid the inherent perceived or known risks of eating. A certain degree of autonomy in risk taking is noted with the passing of certain health rules considered to be “un-passable.” We note an acceptance of the risk when it is thought to be controlled by the consumer and a greater mistrust on the possible covering-up of the composition of certain food products coming from the agri-food industry.

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    Socio-anthropologie
    Article . 2019
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    Article . 2019
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    https://doi.org/10.4000/socio-...
    Other literature type . Article . 2019 . Peer-reviewed
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      Socio-anthropologie
      Article . 2019
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      Article . 2019
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      Other literature type . Article . 2019 . Peer-reviewed
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    Authors: Nicklaus, Sophie; Issanchou, Sylvie;

    The HabEat project. Determining factors and critical periods in food habit formation and breaking in early childhood: a multidisciplinary approach. Seminar of the Joint Programming Initiative

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    Research . 2012
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    Authors: Burnel, Laurent; Gauthier, Guillaume; Willm, Jerome; Heintz, Wilfried; +1 Authors

    National audience; Étudier le fonctionnement des écosystèmes requiert l’utilisation d’un échantillon suffisamment représentatif pour mettre en évidence des patrons généraux. Travailler à l’échelle d’un territoire de plusieurs milliers d’hectares devient alors intéressant mais coûteux en temps de préparation des placettes expérimentales in situ. Le système d’information géographique (SIG), de plus en plus utilisé en appui aux travaux menés en écologie, peut alors devenir un outil indispensable pour le travail en amont des relevés sur le terrain. A partir d’un cas d’étude où l’objectif expérimental était de sélectionner des placettes forestières selon quatre modalités écologiques, cet article présente la complémentarité entre l’utilisation d’un SIG et la prospection sur le terrain afin de minimiser les coûts de préparation de l’échantillon de placettes forestières souhaitées.

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    Article . 2014
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    Authors: Delpech, Philippe; Flamand, Olivier; Benidir, Adel; Knapp, Graham; +25 Authors

    39 p.; Les vulnérabilités aux aléas climatiques actuels et futurs constituent des enjeux de sécurité des usagers, mais concernent également les dommages aux biens, les coûts de remise en fonctionnement et de résilience du cadre bâti. Dans le cadre de ce projet, les actions de recherche ont consisté à cartographier les divers aléas, à développer les recherches sur les impacts de certains d'entre eux, à améliorer les techniques d'investigation et à contribuer à la mise en œuvre des évolutions de la prise en compte des aléas dans l'acte de construire. // Vulnerabilities to current and future climate hazards are safety issues for users, but also cover property damages, costs of restoring functioning and resilience of the built environment. As part of this project, the research activities consisted in mapping the various hazards, developing research on the impacts of some of them, improving investigative techniques and contributing to the implementation of changes taking into account the hazards in the act of building.

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    Authors: Coves, Denis;
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    Authors: Bazin, Sara;

    Apport de la géophysique multi-méthodes aux risques naturels Présentée à Brest le 11 janvier 2021

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    Other literature type . 2021
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      Other literature type . 2021
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    Authors: Cheriere, Timothée;

    La diversification des systèmes de culture est un enjeu important pour améliorer leur durabilité. Cependant, l’introduction de cultures de diversification est confrontée à de nombreux freins. Le soja, une légumineuse produisant des graines riches en protéines, est une culture de diversification potentielle qui bénéficie d’un contexte favorable à son développement en France. Mais la maitrise de la croissance des adventices et la stabilisation des rendements sont des défis importants pour les producteurs. Afin de pallier ces problèmes, nous proposons d’utiliser l’association de cultures comme outils d’aide à la diversification des systèmes de culture. Pour tester la pertinence de cette stratégie, quatre services, la production de soja, celle de la culture associée, le contrôle des adventices et l’effet précédent lié à l’azote sont évalués sous l’influence de deux leviers de gestion de l’association : le choix de l’espèce associée et l’arrangement spatial des cultures. Une approche fonctionnelle est mobilisée pour identifier des traits associés à la croissance et aux fonctions des cultures. L’espèce associée a un impact sur l’ensemble des services considérés dans ce travail. Les services de production de soja et de contrôle des adventices se sont révélés être antagonistes mais cet antagonisme peut être modulé dans certaines associations grâce à l’arrangement spatial. L’approche fonctionnelle a permis d’identifier des traits liés à la dynamique de croissance des cultures et à la persistance des résidus après récolte. De plus nous montrons que la réponse des traits des espèces à la gestion des associations est faible. Enfin, l’association du soja modifie certains postes du bilan azoté ainsi que les quantités et qualités des résidus de culture. Cependant, aucune différence d’effet sur le blé suivant n’a été mesurée entre les associations et le soja pur. Diversification is necessary to improve cropping systems sustainability. However, diversification crop introduction into cropping systems is confronted to many barriers. Soybean, a leguminous crop producing protein rich grain, is a potential diversification crop which beneficiate from a favourable context for its development in France. Weed growth reduction et yield stabilisation are important issues for producers. In order to facilitate cropping system diversification, we suggest the use of intercropping to solve these problems. To test this strategy, four services: soybean grain production, associated crop grain production, weed control and nitrogen pre-crop effect are assessed under the influence of two management levers: associated crop species choice and spatial arrangement of crops. Functional approach was used to identify traits associated to crop growth and functions. Associated crop had an impact on all services considered in this work. A trade-off was identified between soybean production service and weed control service. Nonetheless this trade-off could be modulated in some intercrops through spatial arrangement. Functional approach helped identify effect traits related to the growth dynamics of the crops and to the persistence of crop residues. In addition we show that crop traits response to management was low. Finally, intercropping soybean mofifies some parts of nitrogen balance as well as the quantity and quality of crop residues. Nonetheless, no differences were measured on the following wheat between intercrops and sole cropped soybean

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    Other literature type . 2020
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    Authors: Lefebvre, Alain; Poisson-caillault, Emilie; Grassi, Kelly;

    Installée dans la rade de Boulogne-sur-Mer et inaugurée le 25 novembre 2004, la station MAREL Carnot mesure, toutes les 20 minutes, la salinité, la température de l’eau et de l’air, la fluorescence, la turbidité, la concentration en oxygène dissous, le pourcentage de saturation en oxygène, le P.A.R., l’humidité relative, la direction et la vitesse du vent, la hauteur d’eau et, toutes les 12 heures, la concentration en nitrate, en phosphate et en silicium. Ce rapport vise à présenter les principaux éléments utiles à l’utilisateur des données afin de pouvoir adapter son étude en fonction de la disponibilité des données, de leur qualité et, bien entendu, de son objectif. Les résultats des paramètres fluorescence, turbidité, concentration en oxygène, température de l’eau sont présentés de manière plus détaillée afin de mettre en évidence les cycles saisonniers caractéristiques, la variabilité inter-annuelle et les éventuelles tendances.

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    Authors: Mure, Aline; Leguen, Isabelle; Peron, Sandrine; Valotaire, Claudiane; +5 Authors

    National audience

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    Authors: Carton, N.; Viguier, L.; Bedoussac, L.; Journet, E.P.; +4 Authors
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    2019
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      2019
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    Authors: DIDIER Pierrine;

    Cet article porte sur la perception des menaces sanitaires liées à l’alimentation dans un cadre domestique chez des consommateurs du Maine-et-Loire, en France. Les menaces peuvent être immédiates, avec le risque microbien, ou différées, avec un risque à long terme dû aux éléments exogènes perçus comme néfastes pour la santé (pesticides, antioxydants, etc.). Dans leur action quotidienne de s’alimenter, les consommateurs élaborent des choix qui tentent de maîtriser ou d’éviter les risques perçus ou connus inhérents à l’ingestion de nourriture. Une certaine autonomie dans la prise de risque est constatée avec l’affranchissement de certaines règles sanitaires considérées comme « dépassables ». On remarque une acceptation du risque lorsqu’il est pensé comme maîtrisé par le consommateur et une méfiance plus grande sur la possible dissimulation de la composition de certains produits alimentaires issus de l’industrie agroalimentaire. This article focuses on the perception of food-related health threats for consumers in a domestic setting in Maine-et-Loire, France. The threats can be immediate, with microbial risk, or delayed with a longterm risk due to exogenous elements that are perceived to be harmful to health (pesticides, antioxidants, etc.). In their everyday eating activities, consumers develop choices that try to control or avoid the inherent perceived or known risks of eating. A certain degree of autonomy in risk taking is noted with the passing of certain health rules considered to be “un-passable.” We note an acceptance of the risk when it is thought to be controlled by the consumer and a greater mistrust on the possible covering-up of the composition of certain food products coming from the agri-food industry.

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    Socio-anthropologie
    Article . 2019
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    https://doi.org/10.4000/socio-...
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      Article . 2019
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      Other literature type . Article . 2019 . Peer-reviewed
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    Authors: Nicklaus, Sophie; Issanchou, Sylvie;

    The HabEat project. Determining factors and critical periods in food habit formation and breaking in early childhood: a multidisciplinary approach. Seminar of the Joint Programming Initiative

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    Research . 2012
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    Authors: Burnel, Laurent; Gauthier, Guillaume; Willm, Jerome; Heintz, Wilfried; +1 Authors

    National audience; Étudier le fonctionnement des écosystèmes requiert l’utilisation d’un échantillon suffisamment représentatif pour mettre en évidence des patrons généraux. Travailler à l’échelle d’un territoire de plusieurs milliers d’hectares devient alors intéressant mais coûteux en temps de préparation des placettes expérimentales in situ. Le système d’information géographique (SIG), de plus en plus utilisé en appui aux travaux menés en écologie, peut alors devenir un outil indispensable pour le travail en amont des relevés sur le terrain. A partir d’un cas d’étude où l’objectif expérimental était de sélectionner des placettes forestières selon quatre modalités écologiques, cet article présente la complémentarité entre l’utilisation d’un SIG et la prospection sur le terrain afin de minimiser les coûts de préparation de l’échantillon de placettes forestières souhaitées.

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    Authors: Delpech, Philippe; Flamand, Olivier; Benidir, Adel; Knapp, Graham; +25 Authors

    39 p.; Les vulnérabilités aux aléas climatiques actuels et futurs constituent des enjeux de sécurité des usagers, mais concernent également les dommages aux biens, les coûts de remise en fonctionnement et de résilience du cadre bâti. Dans le cadre de ce projet, les actions de recherche ont consisté à cartographier les divers aléas, à développer les recherches sur les impacts de certains d'entre eux, à améliorer les techniques d'investigation et à contribuer à la mise en œuvre des évolutions de la prise en compte des aléas dans l'acte de construire. // Vulnerabilities to current and future climate hazards are safety issues for users, but also cover property damages, costs of restoring functioning and resilience of the built environment. As part of this project, the research activities consisted in mapping the various hazards, developing research on the impacts of some of them, improving investigative techniques and contributing to the implementation of changes taking into account the hazards in the act of building.

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    Authors: Coves, Denis;
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    Authors: Bazin, Sara;

    Apport de la géophysique multi-méthodes aux risques naturels Présentée à Brest le 11 janvier 2021

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    Authors: Cheriere, Timothée;

    La diversification des systèmes de culture est un enjeu important pour améliorer leur durabilité. Cependant, l’introduction de cultures de diversification est confrontée à de nombreux freins. Le soja, une légumineuse produisant des graines riches en protéines, est une culture de diversification potentielle qui bénéficie d’un contexte favorable à son développement en France. Mais la maitrise de la croissance des adventices et la stabilisation des rendements sont des défis importants pour les producteurs. Afin de pallier ces problèmes, nous proposons d’utiliser l’association de cultures comme outils d’aide à la diversification des systèmes de culture. Pour tester la pertinence de cette stratégie, quatre services, la production de soja, celle de la culture associée, le contrôle des adventices et l’effet précédent lié à l’azote sont évalués sous l’influence de deux leviers de gestion de l’association : le choix de l’espèce associée et l’arrangement spatial des cultures. Une approche fonctionnelle est mobilisée pour identifier des traits associés à la croissance et aux fonctions des cultures. L’espèce associée a un impact sur l’ensemble des services considérés dans ce travail. Les services de production de soja et de contrôle des adventices se sont révélés être antagonistes mais cet antagonisme peut être modulé dans certaines associations grâce à l’arrangement spatial. L’approche fonctionnelle a permis d’identifier des traits liés à la dynamique de croissance des cultures et à la persistance des résidus après récolte. De plus nous montrons que la réponse des traits des espèces à la gestion des associations est faible. Enfin, l’association du soja modifie certains postes du bilan azoté ainsi que les quantités et qualités des résidus de culture. Cependant, aucune différence d’effet sur le blé suivant n’a été mesurée entre les associations et le soja pur. Diversification is necessary to improve cropping systems sustainability. However, diversification crop introduction into cropping systems is confronted to many barriers. Soybean, a leguminous crop producing protein rich grain, is a potential diversification crop which beneficiate from a favourable context for its development in France. Weed growth reduction et yield stabilisation are important issues for producers. In order to facilitate cropping system diversification, we suggest the use of intercropping to solve these problems. To test this strategy, four services: soybean grain production, associated crop grain production, weed control and nitrogen pre-crop effect are assessed under the influence of two management levers: associated crop species choice and spatial arrangement of crops. Functional approach was used to identify traits associated to crop growth and functions. Associated crop had an impact on all services considered in this work. A trade-off was identified between soybean production service and weed control service. Nonetheless this trade-off could be modulated in some intercrops through spatial arrangement. Functional approach helped identify effect traits related to the growth dynamics of the crops and to the persistence of crop residues. In addition we show that crop traits response to management was low. Finally, intercropping soybean mofifies some parts of nitrogen balance as well as the quantity and quality of crop residues. Nonetheless, no differences were measured on the following wheat between intercrops and sole cropped soybean

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