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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/
    Authors: Corniaux, Christian; Baritaux, Virginie; Madelrieux, Sophie;

    Dans un contexte de globalisation des échanges, les filières agricoles s’inscrivent désormais dans un double processus de mondialisation et de territorialisation des flux (produits agricoles, énergie, intrants, travail…). C’est particulièrement vrai pour la filière laitière où se côtoient les plus grands groupes agroalimentaires internationaux, tournés en priorité vers des produits de masse standardisés, et des petites unités de transformation qui s’inscrivent souvent dans des circuits plus courts avec des produits typés ou différenciés par leur origine géographique. L’objectif de cet article est de montrer qu’au-delà de représentations hâtives ou caricaturales, les stratégies spatiales des laiteries, indépendamment de leur forme économique et de leur taille, s’inscrivent dans ce double processus de globalisation et de (re)localisation à l’œuvre dans les territoires laitiers. Des travaux effectués dans six bassins laitiers à travers le monde (Vietnam, Uruguay, Sénégal et France : Vercors, Livradois-Forez et Cévennes) montrent que partout ces deux processus ne sont pas exclusifs mais opèrent ensemble dans un même territoire et au sein des laiteries, créant des tensions mais aussi des complémentarités. Ainsi, des formes hybrides entre « local » et « global » émergent pour durer et se développer dans les territoires laitiers. In a context of trade’s globalization, agricultural sectors are now part of a double process of globalization and territorialisation of the flux (energy, inputs, agricultural products, work...). This is particularly true for the dairy industry which combines the largest agri-food international groups, turned on a priority basis to produce for standardized mass, and small processing units that are often shorter circuits with typical or differentiated by their geographical origin products. The objective of this article is to show that beyond hasty or caricatured representations, the spatial strategies of dairies, independently economic shape and size, are part of this double process of globalization and (re) location in the dairy territories. Studies done in six dairy basins around the world (Senegal, Uruguay, Viet Nam and France: Vercors, Livradois - Forez and Cévennes) show that throughout these two processes are not exclusive but operate together within the same territory and dairies, creating tensions but also complementarities. Thus, hybrid forms between 'local' and 'global' emerge and spread in the milk territories.

    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/ ProdInraarrow_drop_down
    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/
    ProdInra
    Part of book or chapter of book . 2015
    License: CC BY SA
    Data sources: ProdInra
    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 INRAE
    Part of book or chapter of book . 2015
    License: CC BY NC ND
    Data sources: Data INRAE
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Agritrop
    Part of book or chapter of book . 2015
    Data sources: Agritrop
    Data INRAE
    Part of book or chapter of book . 2015
    License: CC BY NC ND
    Data sources: Datacite
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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/
    Authors: Neptune, Nathalie; Mothe, Josiane; Akinyemi, Julius;

    En conjonction avec EGC 2018, Paris (18ème Conférence Internationale sur l'Extraction et la Gestion des Connaissances); International audience; Deforestation is a widespread phenomenon that affects fairly large portions of land, especially in tropical regions. Remote sensing allows researchers to track and analyze the spatio-temporal evolution of this phenomenon.Using text and metadata mining on scientific publications, on the theme of deforestation, we aim to identify the location of scientific production on deforestation andfind out how researchers are connected to each other. Through network analysis, it is possible to highlight trends in terms of collaboration between authors. This networkanalysis reveals trends in the distribution of production among authors, whether it is concentrated at the level of particular authors in developed countries or whether ittends to be distributed in a balanced way between several developed and developing countries. For this we rely on network analyses. Moreover, thanks to the analysis of the keywords we identify deforestation-affected sites that researchers are interested in, tropical forests and the Amazon, as well as related subjects related to the environment and the environment and health.; La déforestation est un phénomène très répandu qui touche des portions de territoires assez importantes surtout dans les régions tropicales. La télédétection permet aux chercheurs de suivre et d’analyser l’évolution spatio-temporelle de ce phénomène. En utilisant la fouille de texte et de méta-données sur les publications scientifiques sur le thème de la déforestation, nous visons à identifier leslieux de la production scientifique sur la déforestation et les collaborations entre chercheurs. L’analyse de ces collaborations nous permet de voir les tendances de la distribution de la production parmi les auteurs, à savoir sielle est concentrée au niveau des auteurs particuliers des pays développés ou bien si elle tend à être répartie de manière équilibrée entre plusieurs pays développés et émergents. Nous nous appuyons pour cela sur des analyses de réseaux. Par ailleurs, grâce à l’analyse des mots-clés nous identifions les sites touchés par la déforestation auxquels les chercheurs s’intéressent, les forêts tropicales et l’Amazonie, de même que des sujets connexes ayant rapport à l’environnement et à la santé.

    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/ Open Archive Toulous...arrow_drop_down
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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/
    ZENODO
    Other literature type . Article . 2017
    License: CC BY
    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/
    ZENODO
    Conference object . 2017
    License: CC BY
    Data sources: Datacite
    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/
    ZENODO
    Other literature type . Article . Conference object . 2018
    License: CC BY
    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/
    ZENODO
    Conference object . 2018
    License: CC BY
    Data sources: Datacite
    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/
    Hyper Article en Ligne
    Other literature type . 2017
    Hal-Diderot
    Conference object . 2018
    Data sources: Hal-Diderot
    Hal-Diderot
    Conference object . 2017
    Data sources: Hal-Diderot
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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/ Open Archive Toulous...arrow_drop_down
      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/
      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/
      ZENODO
      Other literature type . Article . 2017
      License: CC BY
      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/
      ZENODO
      Conference object . 2017
      License: CC BY
      Data sources: Datacite
      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/
      ZENODO
      Other literature type . Article . Conference object . 2018
      License: CC BY
      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/
      ZENODO
      Conference object . 2018
      License: CC BY
      Data sources: Datacite
      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/
      Hyper Article en Ligne
      Other literature type . 2017
      Hal-Diderot
      Conference object . 2018
      Data sources: Hal-Diderot
      Hal-Diderot
      Conference object . 2017
      Data sources: Hal-Diderot
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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/
    Authors: Pelzer, Elise; Bedoussac, Laurent; Corre - Hellou, Guenaelle; Jeuffroy, Marie-Helene; +2 Authors

    article présenté lors du colloque "Associations Végétales" Angers 20 novembre 2014; This paper deals with annual cereal-legume intercrops harvested for grain production for animal or human consumption or for the production of silage or hay when whole plants are harvested. It presents feedbacks from farmers who already practiced these intercrops. Expected and observed benefits and limitations of these systems perceived by farmers are discussed in the light of results of research. Many benefits of intercrops are mentioned, especially compared to sole legumes that are difficult to manage, particularly in organic farming: reduction of pests and lodging, overall higher yields (and higher stability), increase in nitrogen concentration of the harvested products, reduction of nitrogen fertilization, etc. However, limitations remain to be overcome, concerning the management of intercrops (sowing, fertilization, harvest), proportions of each species at harvest, and market, especially in the case of grain production (collection, sorting, outlet).; Cet article traite des associations annuelles céréale-légumineuse récoltées pour la production de grains destinés à l’alimentation animale ou humaine, ou pour la production d’ensilage ou de foin lorsque les espèces sont récoltées en plante entière. Il présente des retours d’expériences d’agriculteurs ayant pratiqué ces associations, en distinguant les bénéfices attendus ou observés, et les limites de ces systèmes. Ces bénéfices et limites sont discutés au regard de résultats issus de la recherche. De nombreux bénéfices des associations sont mentionnés, en particulier par rapport aux légumineuses pures dont la conduite est difficile, surtout en agriculture biologique : réduction des bioagresseurs et de la verse, gain de rendement global (et de stabilité), enrichissement en azote des produits récoltés, réduction de l’utilisation de la fertilisation azotée à l’échelle des successions, etc. Des limites restent cependant à lever, qui concernent la conduite des associations (semis, fertilisation, récolte), la maîtrise des proportions à la récolte, et la valorisation, particulièrement dans le cas de la production de grains (collecte, tri, débouché).

    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/ ProdInraarrow_drop_down
    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/
    ProdInra
    Article . 2014
    License: CC BY NC ND
    Data sources: ProdInra
    Hal-Diderot
    Article . 2014
    License: CC BY NC ND
    Data sources: Hal-Diderot
    Hyper Article en Ligne
    Other literature type . 2014
    Hyper Article en Ligne
    Other literature type . 2014
    ResearchGate Data
    Conference object . 2014
    Data sources: Datacite
    Hyper Article en Ligne; Hal-Diderot
    Other literature type . Conference object . 2014
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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/
    Authors: Mouthon, Fabrice;

    Partendo dall’analisi della situazione della Savoia, e allargando il confronto anche ad altre aree delle Alpi occidentali, il contributo analizza le relazioni tra i condizionamenti dell’ambiente, le caratteristiche dell’habitat e le istituzioni di inquadramento religioso (pievi, parrocchie cappelle). Il quadro proposto è caratterizzato da una evoluzione lenta, anche se non dall’immobilismo. Solo alla fine del medioevo, nel quadro del consolidamento dello stato principesco, prende l’abbrivo la capillarizzazione dell’istituzione parrocchiale, che caratterizza poi l’età moderna. Reti Medievali Rivista, Vol 7, N° 2 (2006)

    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/ Reti Medievali Open ...arrow_drop_down
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    Reti Medievali Open Archive
    Article . 2006 . Peer-reviewed
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    https://doi.org/10.6092/1593-2...
    Article . 2006
    License: CC BY
    Data sources: Datacite
    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/
    Reti Medievali Rivista
    Article . 2006
    Data sources: DOAJ-Articles
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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/ Reti Medievali Open ...arrow_drop_down
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      Reti Medievali Open Archive
      Article . 2006 . Peer-reviewed
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      https://doi.org/10.6092/1593-2...
      Article . 2006
      License: CC BY
      Data sources: Datacite
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      Reti Medievali Rivista
      Article . 2006
      Data sources: DOAJ-Articles
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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/
    Authors: Gusmawati, Niken Financia;

    La production de crevettes en Indonésie est en constante augmentation de part sa surface et l'intensification de ses élevages. Cette filière contribue au développement économique en milieu rural, à la sécurité alimentaire nationale, à l'emploi et au commerce extérieur. Cependant, ce développement rapide s'est accompagné d'effets écologiques et sociaux négatifs. Le développement de maladies dans les élevages ainsi que la dégradation de l'environnement côtier a conduit à l'abandon de 250 000 hectares de bassins dans le pays. Leur réhabilitation dans le cadre d'une activité durable est aujourd'hui une priorité pour le gouvernement indonésien.L'objectif de cette thèse est de développer des outils et des méthodes, basées sur de l’imagerie satellites à très haute résolution spatiale (THRS), (1) pour une meilleure gestion des sites de production et (2) pour réhabiliter les sites abandonnés. L'estuaire de la Perancak situé dans la Province de Bali, une zone de production en déclin, a été choisi comme site pilote. Ce travail a été réalisé dans le cadre du projet INDESO dont l'objectif était de fournir des outils et des méthodes pour une meilleure gestion des ressources côtières et marines en Indonésie.Le premier outil développé pour objectif de cartographier automatiquement les bassins d'élevage. A cet effet, une méthode basée sur la détection des contours a été mise en place et comparée à deux autres méthodes, la première basée sur la méthode de croissance des régions, la seconde sur une classification non supervisée (plus particulièrement la méthode Isocluster). Notre méthode a permis de détecter une forte proportion de bassins avec une meilleure précision.Le second outil avait pour objectif de distinguer les bassins actifs des bassins abandonnés. Un indicateur intégré (IPAI) basé sur quatre critères identifiés sur les images THRS que sont la présence d'eau, d'aérateur(s), de ponton(s) d'alimentation et de végétation, a été développé. Cet indicateur permet de distinguer significativement un bassin actif d'un bassin inactif. La présence de ponton est le critère qui s'est révélé être le plus discriminant.Cet indicateur a été utilisé sur l'estuaire de la Perancak pour suivre la dynamique d’abandon des bassins, liée au développement des maladies dans les élevages, entre 2001 et 2015. Deux facteurs de risque conduisant à l'abandon ont été mis en évidence : le climat et le positionnement des bassins au sein de l'estuaire. Ces résultats suggèrent qu'une approche spatiale doit être prise en compte pour la réhabilitation des bassins. Trois zones ont été définies à partir de leur résilience spatiale aux maladies. Le niveau de connectivité entre des bassins via le réseau hydrologique augmente le risque d'abandon. A noter que la présence actuelle des pathogènes (White Spot Syndrome Virus, WSSV) dans les bassins et probablement dans l'environnement génère une mémoire écologique défavorable à la réhabilitation de fermes aquacoles de crevettes.A partir de ces résultats, une première proposition de plan pour réhabiliter les bassins abandonnés a été formulée dans le cadre d'une approche écosystémique. Pour lutter contre les maladies, ce plan suggère de développer une aquaculture multi-trophique intégrée (AMTI), basée sur la diversité des espèces élevées et de leur positionnement dans la chaine trophique, à l'échelle de l'estuaire. Les méthodes et les études qui doivent être conduites pour rendre opérationnelle cette proposition sont discutées. Shrimp farming production in Indonesia has continuously increased through a large expansion of cultured areas and stocking density intensification. This activity supports rural economic development and contributes to national food security, employment and foreign exchange earnings. However, this development has generated adverse ecological and social effects. As consequences of diseases and environmental degradations, there are currently 250,000 ha of abandoned ponds. Their rehabilitation, within a sustainable aquaculture framework, is actually a high priority for the Indonesian government.The objective of the present PhD work was to develop tools and methodologies to (1) enable better management for operating sites of shrimp industry and (2) rehabilitate abandoned sites using very high-resolution satellite (VHRS) imagery. The Perancak Estuary, located in Bali Province, is the production area in decline that has been chosen as study site. This work has been carried out in the frame of the INDESO project which was assigned to develop and provide tools and methods for better management of marine and coastal resources in Indonesia.The first developed tool was an automatic classification procedure for aquaculture mapping. A method based on Edge Detection on VHRS images was proposed and compared with those generated by Region Growing segmentation and unsupervised classification Isocluster. Edge Detection method could successfully create aquaculture map in the Perancak estuary by identifying a large proportion of existing ponds, with good overall accuracy.To implement effective procedure for appropriate aquaculture ecosystem assessment and monitoring, the second tool was an Integrated Pond Activity Indicator (IPAI). It aimed to discriminate active from abandoned ponds and was developed based on four criteria using VHRS images. Those criteria were: presence of water, aerator, feeding bridge and vegetation. This indicator succeeded in detecting active pond with a good accuracy, and feeding bridge appeared to be the most discriminant criteria.This second indicator has then been applied to the Perancak estuary to highlight the abandonment dynamic due to disease between 2001 and 2015. Two risk factors that could contribute to explain dynamics of abandonment were identified: climate conditions and pond locations within the estuary, suggesting that a spatial approach should be integrated in planning processes to operationalize pond rehabilitation. Three areas were defined based on their disease resilience. Ponds connectivity through water network increased the risk of disease development. The continued presence of shrimp pathogen species in ponds and probably in the environment (i.e. White Spot Syndrome Virus, WSSV) may generate ‘ecological memories’ that prevent to the return of shrimp productive system.These results were used to establish a first proposal of rehabilitation plan using an ecological approach. At the whole ecosystem scale, the development of an integrated multi-trophic aquaculture (IMTA), based on the diversity of cultured species and their trophic status would be implemented. Methods and studies that would be conducted to operationalize sustainable pond rehabilitation are briefly discussed.

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    Other literature type . 2017
    Hal-Diderot
    Doctoral thesis . 2017
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      Other literature type . 2017
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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/
    Authors: Houdart, Marie, M.; Baritaux, Virginie; Cournut, Sylvie;

    Le Livradois-Forez est un territoire de moyenne montagne, situé au centre de la France, marqué par la production de différents fromages emblématiques comme les appellations d’origine protégées Fourme d’Ambert et Bleu d’Auvergne. Depuis les années 1990, on assiste à un réancrage territorial de la production laitière qui succède à un mouvement lent de désancrage. Ces mouvements sont souvent associés à l’influence exercée par les acteurs de l’aval de la production agricole (transformateurs, distributeurs, consommateurs). Nous avons donc cherché à éclairer la façon dont, dans ce bassin laitier du Livradois-Forez, les stratégies et la structuration des acteurs de l’aval de la filière, et en particulier les acteurs de la première transformation, ont influencé la dynamique de désancrage/réancrage de la production laitière. Pour cela, nous avons effectué une lecture croisée des évolutions relatives au territoire, aux systèmes d’élevage et à la filière, sur le temps long. Cette analyse nous a permis de mettre en avant cinq séquences temporelles, marquées par des formes particulières d’interaction entre élevage, territoire et filière. La période antérieure à 1960 se caractérise par une production laitière ancrée dans le territoire. Entre 1960 et 1980 s’opère un mouvement lent de désancrage de la production laitière malgré l’émergence d’une identité territoriale forte. La décennie suivante confirme ce désancrage. Entre 1990 et 2000, plusieurs éléments participent à une amorce de réancrage de la production laitière, qui semble s’affirmer depuis 2000 malgré la concentration des exploitations et des laiteries. Tout au long de cette trajectoire, les stratégies commerciales des opérateurs de l’aval répondant aux évolutions des marchés (concurrence accrue, évolution des demandes des consommateurs…), les stratégies « industrielles » (optimisation de la collecte, nécessité d’un approvisionnement local…) et les restructurations du tissu industriel (disparitions, rachats, fusions…) jouent sur l’ancrage de la production laitière, en termes tant de produits que de localisation des activités de la production. Livradois-Forez is a middle mountain region located in the Central France. Several Cheese Protected Designations of Origin, as Fourme d’Ambert and Bleu d’Auvergne, are produced in this region. After a slow trend towards disembeddedness, since the nineties, milk production has tended towards local re-embeddedness. These trends may be associated to the influence of the downstream stakeholders of the value chain (processors, retailers and consumers). We aim at highlighting how, in Livradois-Forez, these stakeholders’ strategies and organization determine this dynamic of milk production dis-embeddedness/re-embeddedness. Using a historical approach, we analyzed at the same time the evolutions of the territory, the livestock farming systems and the value-chain. We highlight five time sequences characterized by specific interactions between these three dimensions. Before 1960, the milk production was locally embedded ; between the 60’s and the 80’s, there was a slow movement of des-embeddedness ; the next decade confirmed this des-embeddedness ; in the 90’s, the reembeddedness began and then gained prominence starting from year 2000, in spite of the concentration of farms and dairies. Throughout this trajectory, a combination of elements influences the embeddedness of milk production: commercial strategies of downstream stakeholders linked with the evolution of world markets (increasing competition, changes in the consumers’ expectations); ‘industrial’ strategies (optimization of milk collection, need of local supply); restructuration of industrial fabrics (disappearances, takeovers, mergers).

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    Part of book or chapter of book . 2015
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    Data INRAE
    Part of book or chapter of book . 2015
    License: CC BY NC ND
    Data sources: Data INRAE
    Data INRAE
    Part of book or chapter of book . 2015
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      ProdInra
      Part of book or chapter of book . 2015
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      Data INRAE
      Part of book or chapter of book . 2015
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      Part of book or chapter of book . 2015
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6 Research products
  • 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/
    Authors: Corniaux, Christian; Baritaux, Virginie; Madelrieux, Sophie;

    Dans un contexte de globalisation des échanges, les filières agricoles s’inscrivent désormais dans un double processus de mondialisation et de territorialisation des flux (produits agricoles, énergie, intrants, travail…). C’est particulièrement vrai pour la filière laitière où se côtoient les plus grands groupes agroalimentaires internationaux, tournés en priorité vers des produits de masse standardisés, et des petites unités de transformation qui s’inscrivent souvent dans des circuits plus courts avec des produits typés ou différenciés par leur origine géographique. L’objectif de cet article est de montrer qu’au-delà de représentations hâtives ou caricaturales, les stratégies spatiales des laiteries, indépendamment de leur forme économique et de leur taille, s’inscrivent dans ce double processus de globalisation et de (re)localisation à l’œuvre dans les territoires laitiers. Des travaux effectués dans six bassins laitiers à travers le monde (Vietnam, Uruguay, Sénégal et France : Vercors, Livradois-Forez et Cévennes) montrent que partout ces deux processus ne sont pas exclusifs mais opèrent ensemble dans un même territoire et au sein des laiteries, créant des tensions mais aussi des complémentarités. Ainsi, des formes hybrides entre « local » et « global » émergent pour durer et se développer dans les territoires laitiers. In a context of trade’s globalization, agricultural sectors are now part of a double process of globalization and territorialisation of the flux (energy, inputs, agricultural products, work...). This is particularly true for the dairy industry which combines the largest agri-food international groups, turned on a priority basis to produce for standardized mass, and small processing units that are often shorter circuits with typical or differentiated by their geographical origin products. The objective of this article is to show that beyond hasty or caricatured representations, the spatial strategies of dairies, independently economic shape and size, are part of this double process of globalization and (re) location in the dairy territories. Studies done in six dairy basins around the world (Senegal, Uruguay, Viet Nam and France: Vercors, Livradois - Forez and Cévennes) show that throughout these two processes are not exclusive but operate together within the same territory and dairies, creating tensions but also complementarities. Thus, hybrid forms between 'local' and 'global' emerge and spread in the milk territories.

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    ProdInra
    Part of book or chapter of book . 2015
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    Data INRAE
    Part of book or chapter of book . 2015
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    Agritrop
    Part of book or chapter of book . 2015
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    Data INRAE
    Part of book or chapter of book . 2015
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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/
    Authors: Neptune, Nathalie; Mothe, Josiane; Akinyemi, Julius;

    En conjonction avec EGC 2018, Paris (18ème Conférence Internationale sur l'Extraction et la Gestion des Connaissances); International audience; Deforestation is a widespread phenomenon that affects fairly large portions of land, especially in tropical regions. Remote sensing allows researchers to track and analyze the spatio-temporal evolution of this phenomenon.Using text and metadata mining on scientific publications, on the theme of deforestation, we aim to identify the location of scientific production on deforestation andfind out how researchers are connected to each other. Through network analysis, it is possible to highlight trends in terms of collaboration between authors. This networkanalysis reveals trends in the distribution of production among authors, whether it is concentrated at the level of particular authors in developed countries or whether ittends to be distributed in a balanced way between several developed and developing countries. For this we rely on network analyses. Moreover, thanks to the analysis of the keywords we identify deforestation-affected sites that researchers are interested in, tropical forests and the Amazon, as well as related subjects related to the environment and the environment and health.; La déforestation est un phénomène très répandu qui touche des portions de territoires assez importantes surtout dans les régions tropicales. La télédétection permet aux chercheurs de suivre et d’analyser l’évolution spatio-temporelle de ce phénomène. En utilisant la fouille de texte et de méta-données sur les publications scientifiques sur le thème de la déforestation, nous visons à identifier leslieux de la production scientifique sur la déforestation et les collaborations entre chercheurs. L’analyse de ces collaborations nous permet de voir les tendances de la distribution de la production parmi les auteurs, à savoir sielle est concentrée au niveau des auteurs particuliers des pays développés ou bien si elle tend à être répartie de manière équilibrée entre plusieurs pays développés et émergents. Nous nous appuyons pour cela sur des analyses de réseaux. Par ailleurs, grâce à l’analyse des mots-clés nous identifions les sites touchés par la déforestation auxquels les chercheurs s’intéressent, les forêts tropicales et l’Amazonie, de même que des sujets connexes ayant rapport à l’environnement et à la santé.

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    ZENODO
    Other literature type . Article . 2017
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    ZENODO
    Conference object . 2017
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    ZENODO
    Other literature type . Article . Conference object . 2018
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    Authors: Pelzer, Elise; Bedoussac, Laurent; Corre - Hellou, Guenaelle; Jeuffroy, Marie-Helene; +2 Authors

    article présenté lors du colloque "Associations Végétales" Angers 20 novembre 2014; This paper deals with annual cereal-legume intercrops harvested for grain production for animal or human consumption or for the production of silage or hay when whole plants are harvested. It presents feedbacks from farmers who already practiced these intercrops. Expected and observed benefits and limitations of these systems perceived by farmers are discussed in the light of results of research. Many benefits of intercrops are mentioned, especially compared to sole legumes that are difficult to manage, particularly in organic farming: reduction of pests and lodging, overall higher yields (and higher stability), increase in nitrogen concentration of the harvested products, reduction of nitrogen fertilization, etc. However, limitations remain to be overcome, concerning the management of intercrops (sowing, fertilization, harvest), proportions of each species at harvest, and market, especially in the case of grain production (collection, sorting, outlet).; Cet article traite des associations annuelles céréale-légumineuse récoltées pour la production de grains destinés à l’alimentation animale ou humaine, ou pour la production d’ensilage ou de foin lorsque les espèces sont récoltées en plante entière. Il présente des retours d’expériences d’agriculteurs ayant pratiqué ces associations, en distinguant les bénéfices attendus ou observés, et les limites de ces systèmes. Ces bénéfices et limites sont discutés au regard de résultats issus de la recherche. De nombreux bénéfices des associations sont mentionnés, en particulier par rapport aux légumineuses pures dont la conduite est difficile, surtout en agriculture biologique : réduction des bioagresseurs et de la verse, gain de rendement global (et de stabilité), enrichissement en azote des produits récoltés, réduction de l’utilisation de la fertilisation azotée à l’échelle des successions, etc. Des limites restent cependant à lever, qui concernent la conduite des associations (semis, fertilisation, récolte), la maîtrise des proportions à la récolte, et la valorisation, particulièrement dans le cas de la production de grains (collecte, tri, débouché).

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    ProdInra
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    Authors: Mouthon, Fabrice;

    Partendo dall’analisi della situazione della Savoia, e allargando il confronto anche ad altre aree delle Alpi occidentali, il contributo analizza le relazioni tra i condizionamenti dell’ambiente, le caratteristiche dell’habitat e le istituzioni di inquadramento religioso (pievi, parrocchie cappelle). Il quadro proposto è caratterizzato da una evoluzione lenta, anche se non dall’immobilismo. Solo alla fine del medioevo, nel quadro del consolidamento dello stato principesco, prende l’abbrivo la capillarizzazione dell’istituzione parrocchiale, che caratterizza poi l’età moderna. Reti Medievali Rivista, Vol 7, N° 2 (2006)

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    https://doi.org/10.6092/1593-2...
    Article . 2006
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      https://doi.org/10.6092/1593-2...
      Article . 2006
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    Authors: Gusmawati, Niken Financia;

    La production de crevettes en Indonésie est en constante augmentation de part sa surface et l'intensification de ses élevages. Cette filière contribue au développement économique en milieu rural, à la sécurité alimentaire nationale, à l'emploi et au commerce extérieur. Cependant, ce développement rapide s'est accompagné d'effets écologiques et sociaux négatifs. Le développement de maladies dans les élevages ainsi que la dégradation de l'environnement côtier a conduit à l'abandon de 250 000 hectares de bassins dans le pays. Leur réhabilitation dans le cadre d'une activité durable est aujourd'hui une priorité pour le gouvernement indonésien.L'objectif de cette thèse est de développer des outils et des méthodes, basées sur de l’imagerie satellites à très haute résolution spatiale (THRS), (1) pour une meilleure gestion des sites de production et (2) pour réhabiliter les sites abandonnés. L'estuaire de la Perancak situé dans la Province de Bali, une zone de production en déclin, a été choisi comme site pilote. Ce travail a été réalisé dans le cadre du projet INDESO dont l'objectif était de fournir des outils et des méthodes pour une meilleure gestion des ressources côtières et marines en Indonésie.Le premier outil développé pour objectif de cartographier automatiquement les bassins d'élevage. A cet effet, une méthode basée sur la détection des contours a été mise en place et comparée à deux autres méthodes, la première basée sur la méthode de croissance des régions, la seconde sur une classification non supervisée (plus particulièrement la méthode Isocluster). Notre méthode a permis de détecter une forte proportion de bassins avec une meilleure précision.Le second outil avait pour objectif de distinguer les bassins actifs des bassins abandonnés. Un indicateur intégré (IPAI) basé sur quatre critères identifiés sur les images THRS que sont la présence d'eau, d'aérateur(s), de ponton(s) d'alimentation et de végétation, a été développé. Cet indicateur permet de distinguer significativement un bassin actif d'un bassin inactif. La présence de ponton est le critère qui s'est révélé être le plus discriminant.Cet indicateur a été utilisé sur l'estuaire de la Perancak pour suivre la dynamique d’abandon des bassins, liée au développement des maladies dans les élevages, entre 2001 et 2015. Deux facteurs de risque conduisant à l'abandon ont été mis en évidence : le climat et le positionnement des bassins au sein de l'estuaire. Ces résultats suggèrent qu'une approche spatiale doit être prise en compte pour la réhabilitation des bassins. Trois zones ont été définies à partir de leur résilience spatiale aux maladies. Le niveau de connectivité entre des bassins via le réseau hydrologique augmente le risque d'abandon. A noter que la présence actuelle des pathogènes (White Spot Syndrome Virus, WSSV) dans les bassins et probablement dans l'environnement génère une mémoire écologique défavorable à la réhabilitation de fermes aquacoles de crevettes.A partir de ces résultats, une première proposition de plan pour réhabiliter les bassins abandonnés a été formulée dans le cadre d'une approche écosystémique. Pour lutter contre les maladies, ce plan suggère de développer une aquaculture multi-trophique intégrée (AMTI), basée sur la diversité des espèces élevées et de leur positionnement dans la chaine trophique, à l'échelle de l'estuaire. Les méthodes et les études qui doivent être conduites pour rendre opérationnelle cette proposition sont discutées. Shrimp farming production in Indonesia has continuously increased through a large expansion of cultured areas and stocking density intensification. This activity supports rural economic development and contributes to national food security, employment and foreign exchange earnings. However, this development has generated adverse ecological and social effects. As consequences of diseases and environmental degradations, there are currently 250,000 ha of abandoned ponds. Their rehabilitation, within a sustainable aquaculture framework, is actually a high priority for the Indonesian government.The objective of the present PhD work was to develop tools and methodologies to (1) enable better management for operating sites of shrimp industry and (2) rehabilitate abandoned sites using very high-resolution satellite (VHRS) imagery. The Perancak Estuary, located in Bali Province, is the production area in decline that has been chosen as study site. This work has been carried out in the frame of the INDESO project which was assigned to develop and provide tools and methods for better management of marine and coastal resources in Indonesia.The first developed tool was an automatic classification procedure for aquaculture mapping. A method based on Edge Detection on VHRS images was proposed and compared with those generated by Region Growing segmentation and unsupervised classification Isocluster. Edge Detection method could successfully create aquaculture map in the Perancak estuary by identifying a large proportion of existing ponds, with good overall accuracy.To implement effective procedure for appropriate aquaculture ecosystem assessment and monitoring, the second tool was an Integrated Pond Activity Indicator (IPAI). It aimed to discriminate active from abandoned ponds and was developed based on four criteria using VHRS images. Those criteria were: presence of water, aerator, feeding bridge and vegetation. This indicator succeeded in detecting active pond with a good accuracy, and feeding bridge appeared to be the most discriminant criteria.This second indicator has then been applied to the Perancak estuary to highlight the abandonment dynamic due to disease between 2001 and 2015. Two risk factors that could contribute to explain dynamics of abandonment were identified: climate conditions and pond locations within the estuary, suggesting that a spatial approach should be integrated in planning processes to operationalize pond rehabilitation. Three areas were defined based on their disease resilience. Ponds connectivity through water network increased the risk of disease development. The continued presence of shrimp pathogen species in ponds and probably in the environment (i.e. White Spot Syndrome Virus, WSSV) may generate ‘ecological memories’ that prevent to the return of shrimp productive system.These results were used to establish a first proposal of rehabilitation plan using an ecological approach. At the whole ecosystem scale, the development of an integrated multi-trophic aquaculture (IMTA), based on the diversity of cultured species and their trophic status would be implemented. Methods and studies that would be conducted to operationalize sustainable pond rehabilitation are briefly discussed.

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