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  • Rural Digital Europe
  • 2019-2023
  • Other research products
  • CemOA
  • Repositori Institucional URV

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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: Castañeda, L; Esteve-Mon, F; Adell, J;

    En un contexto en que la transformación digital ya lleva casi una década posicionándose como prioritaria para las instituciones de Educación Superior y en el que la reciente pandemia y sus condiciones no ha hecho más que azuzar y generalizar más si cabe esta apuesta por lo digital, es tiempo de contribuir a propuestas de análisis que propongan otras lógicas de esa transformación que nos permitan entender cómo son los planes de transformación digital de nuestras universidades. Así, en este trabajo se realiza un análisis de los planes de transformación digital de las universidades públicas españolas, en el que se parte de tres elementos básicos de análisis: ¿cómo responde el plan a la misión de la universidad?, ¿qué factores de implementación considera prioritarios? y ¿a qué participantes involucra y afecta? Desde estas preguntas de investigación se propone un análisis documental que nos ofrece un panorama muy variado que pone de relieve la gran heterogeneidad de nuestras instituciones públicas, el largo camino que queda por recorrer a algunas de ellas, la unánime apuesta por una transformación claramente centrada en la gestión TIC y un horizonte de transformación con mucho margen para la mejora. Además, el análisis y el contexto que lo sitúa nos llama la atención sobre la necesidad de que estos procesos que siguen en marcha y continúan, no se conviertan en una oportunidad perdida para repensar y transformar verdaderamente nuestra visión de la visión de la universidad para el futuro.

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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/ Repositori Instituci...arrow_drop_down
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    Authors: Oger, B.; Vismara, P.; Tisseyre, B.;

    This paper describes a new approach for yield sampling in viticulture. It combines approaches based on auxiliary information and path optimization to offer more consistent sampling strategies, integrating statistical approaches with computer methods. To achieve this, groups of potential sampling points, comparable according to their auxiliary data values are created. Then, an optimal path connecting several points, one from each group of potential sampling points and minimizing the route distance is created. This part is performed using constraint programming, a programming paradigm offering tools to deal efficiently with combinatorial problems. The paper presents the formalization of the problem, as well as the tests performed on real fields. Results show that combining target sampling and path optimization can reduce by 45% the average sampling circuit length compared to previous methods based on auxiliary data while being almost equivalent in yield prediction error.

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    CemOA
    2019
    Data sources: CemOA
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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/ CemOAarrow_drop_down
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      CemOA
      2019
      Data sources: CemOA
  • 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: Garcia Lucas, Kassio R.; Anton, Assumpcio; Ventura, Mauricio Ursi; Pereira Andrade, Edilene; +1 Authors

    The purpose of the study was to evaluate the use of and suggest possible adjustments to indicators of biodiversity loss for LCA proposed by Chaudhary and Books (2018). For this, we analyzed soybean production in Brazil. Potential damage to biodiversity has been determined for all Brazilian ecoregions: the Amazon; the Atlantic forest; Caatinga; Cerrado; Pampas; and the Pantanal. Two dimensions of assessment were considered - global and regional - in addition to Average-country. An adjustment was proposed for the vulnerability coefficient to the indicators Average-country Brazil: the Regional Species Fragility Index (FI). Two inventories were created using two different functional units: area of production of soybean by ecoregion (year m2); and area corresponding to production of 1 kg of soybean (year m2). Thus, we observed that when the indicators of aggregate values were adopted, the Atlantic Forest was the ecoregion most affected by the crop. Regarding the assessments of the Potential Biodiversity Damage (BD) Global and Regional indicators, the Atlantic Forest and the Amazon were the ecoregions that suffered the highest impacts, mainly on plants, birds and amphibians taxa. Besides, the impacts at the global level were always more expressive than the regional ones. Due to this, we noticed that the results were influenced by the Vulnerability Score (VS). The suitability of the VS for FI is relevant and the adjustment in the equation can be suggested for other regions. Considering the results found here, to prevent regional impacts, technical measures such as extensive farming and crop rotation should be prioritized as impact mitigation actions. However, political measures tend to be more effective at geographic levels when addressing more than one ecoregion, due to the s

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    Authors: Andrade, Edilene Pereira; Bonmati, August; Esteller, Laureano Jimenez; Vallejo, Assumpcio Anton;
    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/ Repositori Instituci...arrow_drop_down
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    Authors: Andrade EP; Bonmati A; Esteller LJ; Brunn S; +3 Authors

    The adverse effects of agriculture and livestock production on the environment are well-known and require mitigation in order to achieve sustainability in the food production chain. This study focused on adverse effects related to biogeochemical flows of phosphorus and nitrogen cycles which natural balances have been greatly disturbed by current practices. To assess the potential benefits and detrimental effects of proposed mitigation measures, adequate impact indicators are required. The challenge lies in identifying and providing indicators that cover the important aspects of environmental sustainability and allow a direct comparison of policy alternatives. A review of potential indicators that are also consistent with those used to indicate the performance of agricultural and general sustainability (i.e. the European Green Deal) led to the selection of fifteen agri-environmental indicators covering the main environmental issues in agriculture. The indicators identified offered an effective representation of environmental behaviour and would be useful in communicating a comprehensive ‘dashboard’ for professional end users of solutions to nutrient recovery and nutrient efficiency improvement in arable and livestock systems. The selected dashboard indicators (DBI) covered the dimensions of ‘use of primary resources’, ‘emissions to the environment’ and ‘resilience to climate change’. Five case studies were investigated to test the DBI using an Excel questionnaire applying the qualitative approach of the Delphi method together with expert knowledge. As expected, the results indicated that there were potential benefits of the technologies in terms of improved ‘nutrient recovery’ and decreased ‘nitrate leaching’. Potential disadvantages included increased electricity and oi

    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/ Repositori Instituci...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/ Repositori Instituci...arrow_drop_down
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    Authors: Biancamaria, S.; Mballo, M.; Le Moigne, P.; Sánchez Pérez, J.M.; +9 Authors

    Study Region Garonne Basin, France. Study Focus This study analyses water mass variations for the whole Garonne basin (50,000 km2 drainage area). To do so, Total Water Storage Anomalies (TWSA) from seven global solutions based on the Gravity Recovery And Climate Experiment (GRACE) satellite mission measurements (˜300 km spatial resolution) are inter-compared with TWSA from two hydrological models, SAFRAN-ISBA-MODCOU (SIM) and Soil and Water Assessment Tool (SWAT), between January 2003 and December 2010. New Hydrological Insights for the Region Despite the small size of the Garonne basin compared to GRACE spatial resolution, good agreement between GRACE solutions and hydrological model TWSA has been found (maximum correlation coefficient ˜0.9 and Nash-Sutcliffe Efficiency, NSE, ˜0.7). These datasets showed that TWSA in the Garonne basin is mainly due to water stored in the first dozen meters of soil and in the shallow aquifer. To a smaller extent, snow also influences Garonne TWSA. Open surface water TWSA is quite small and TWSA from deep aquifer is negligible. The most important drought period occurred in 2011/2012, due to low precipitation during the two hydrological years and ETR close to previous years. Important precipitation in 2013/2014 helps to refill the water stocks. This study also showed that GRACE and models mismatches should be due to GRACE poor spatial resolution, but also to its monthly time resolution (rarely shown in previous studies).

    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/ CemOAarrow_drop_down
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    CemOA
    2019
    Data sources: CemOA
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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/ CemOAarrow_drop_down
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      CemOA
      2019
      Data sources: CemOA
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    Authors: Reza Mirsoleimani, H.; Reza Sahebi, M.; Baghdadi, N.; El Hajj, M.;

    The main purpose of this study is to investigate the performance of two radar backscattering models; the calibrated integral equation model (CIEM) and the modified Dubois model (MDB) over an agricultural area in Karaj, Iran. In the first part, the performance of the models is evaluated based on the field measurement and the mentioned backscattering models, CIEM and MDB performed with root mean square error (RMSE) of 0.78 dB and 1.45 dB, respectively. In the second step, based on the neural networks (NNS), soil surface moisture is estimated using the two backscattering models, based on neural networks (NNs), from single polarization Sentinel-1 images over bare soils. The inversion results show the efficiency of the single polarized data for retrieving soil surface moisture, especially for VV polarization.

    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/ CemOAarrow_drop_down
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    CemOA
    2019
    Data sources: CemOA
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      CemOA
      2019
      Data sources: CemOA
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    Authors: Castelló, Enric;

    This article discusses the concept of terroir in the light of the communication practices. It provides a literature review illustrated with a case observation. The author identifies three key stages in the constitution of the terroir through communication: organizational norms and interaction; the circulation of public relations, marketing and media messages, and promotion; and a meaningful consumer experience that closes the circle of a terroir-based storytelling. Here, communication processes play a leading role, which includes the agency of diverse stakeholders. The author argues that, among these stakeholders, geographical indication (GI) organizations are leading agents that build symbolic terroir practices. One of the text's principal theses is that terroir is a socio-cultural construction embedded in storytelling practices with a broad scientific, economic, social and cultural exchange. For this terroir to exist, there must be a collective will, driven by the interests of a wide range of stakeholders such as policymakers, local communities, vine growers, winemakers, marketers and consumers. The practice of defining, communicating and circulating this storytelling is what finally transfers agency to the narrative itself in what the author refers to as the will for terroir. The article illustrates the process with a case study of a wine GI in Catalonia (Spain) and discusses how the will for terroir is relevant at each stage.

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    Authors: Alavoine-Mornas, F.;

    In the Provence Alpes Côte d'Azur region (France), some forest lands are converted to agricultural use, in particular in the wine-growing sector. In this region agricultural lands have to cope with urbanization and agricultural land abandonment. But this trend raises the question of natural and forest lands preservation. The issue is also to understand the conditions of these changes in land use. We carried out an exploratory study in order to quantify this evolution and provide information on the agriculture and forest stakes. This work was based on a bibliographic study and some interviews among local stakeholders. We also conducted a more precise study in the Var department using the CRIGE-PACA database to quantify the changes in land use regarding vineyards and forests (conversion of forest land to vineyards and vice-versa) between 2006 and 2014. We showed that the surfaces of forest lands to vineyards was very small. The requests for authorization to clear forest land often concerned plots which were formerly cultivated. However the context could accelerate this process, especially due to outside investors entering the wine-growing sector as well as the surface growth of som AOC/AOP, and the strong willingness of agricultural organizations to develop the wine-growing sector and more widely the agricultural sector. A more comprehensive study will be needed using spatial data to locate the impacted territories and assess the possible effects on forests. / En région Provence-Alpes-Côte d'Azur (France), des terres sont récupérées sur des espaces forestiers par des agriculteurs, particulièrement dans le secteur viticole. Dans une région où les espaces agricoles peinent à se maintenir face au développement urbain et à la déprise, cette tendance pose cependant la question de la préservation des espaces naturels et forestiers et des conditions dans lesquelles s'effectuent ces changements d'occupation du sol (lieu, superficie et types de forêts concernées, projets de valorisation de ces espaces...). Nous avons réalisé une étude exploratoire visant à quantifier cette évolution et à en préciser les enjeux pour l'agriculture et pour les espaces forestiers. Ce travail a été conduit à partir de la bibliographie existante et d'entretiens avec quelques acteurs du territoire. Un travail plus précis a été réalisé sur le département du Var, pour lequel nous avons utilisé des bases de données du CRIGE-PACA pour quantifier les transformations d'occupation du sol concernant la viticulture et la forêt (transformation de forêts en vignobles, et vice versa) entre 2006 et 2014. Les analyses montrent que les superficies de forêts converties en vignobles aux dépens d'espaces forestiers ont été très limitées au cours de la période étudiée. Les demandes de défrichement concernent souvent des parcelles anciennement cultivées. Cependant certains éléments de contexte pourraient conduire à une accélération de cette tendance, notamment l'entrée d'investisseurs extérieurs au secteur viticole apportant des capitaux importants et souhaitant les valoriser, l'extension des aires d'appellations de certaines AOC/AOP, et la volonté affirmée des organisations professionnelles agricoles de développer le secteur viticole provençal et plus largement l'agriculture. Le travail réalisé devra être poursuivi par des études spatialisées permettant de localiser les territoires impactés (ou pouvant être impactés) par cette tendance et d'évaluer les effets possibles sur les forêts concernées.

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    Authors: Lauga, B.; Balvay, B.; Topart, L.; Leclaire, J.; +5 Authors

    With the emergence of digital technologies, farms become a relevant source of data to meet the challenges of multi-performance agriculture. Beyond the services provided, access to farmers' data depends on a clear understanding of their use, which must be done in a transparent way. Several codes of conduct at a national or international level push for a voluntary commitment to respect some good practices in the use of agricultural data. To provide a tool and answer farmer's questions on the control of their data and the transparency of the data processing, the partners of the MULTIPASS project, have imagined an interoperable ecosystem of farmer consents management, protecting farmers from no consented uses of their data. Farmers' expectations of such an ecosystem have been expressed during workshops. They want to better identify existing data flows, including actors, data processes, and data clusters. Based on the farmers' expectations, the MULTIPASS project stakeholders have proposed the architecture of an ecosystem integrating two consent management tools as "pilots". This ecosystem should take in charge the interoperability between each consent management tools or with future tools. This solution is based on a shared typology of data and data processes as well as on the specifications of the consent message content. All these elements should be easily accessible to meet the interoperability need of the ecosystem. It is also based on a router, which provides unified access to consent management tools (using API). In particular, it provides the farmer (beneficiary) with an exhaustive view of his/her consents (which can be distributed on several consent management systems), meeting farmers' expectations for transparency. It is also the point where a data provider can check whether the consent required to provide data exists, without needing to know which consent management system is concerned. In this project, the stakeholders want to demonstrate to agricultural professional organizations the benefits and feasibility of a consent management ecosystem. By strengthening the confidence of farmers to share data, the project will allow the emergence of new knowledge and new services.

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    Authors: Castañeda, L; Esteve-Mon, F; Adell, J;

    En un contexto en que la transformación digital ya lleva casi una década posicionándose como prioritaria para las instituciones de Educación Superior y en el que la reciente pandemia y sus condiciones no ha hecho más que azuzar y generalizar más si cabe esta apuesta por lo digital, es tiempo de contribuir a propuestas de análisis que propongan otras lógicas de esa transformación que nos permitan entender cómo son los planes de transformación digital de nuestras universidades. Así, en este trabajo se realiza un análisis de los planes de transformación digital de las universidades públicas españolas, en el que se parte de tres elementos básicos de análisis: ¿cómo responde el plan a la misión de la universidad?, ¿qué factores de implementación considera prioritarios? y ¿a qué participantes involucra y afecta? Desde estas preguntas de investigación se propone un análisis documental que nos ofrece un panorama muy variado que pone de relieve la gran heterogeneidad de nuestras instituciones públicas, el largo camino que queda por recorrer a algunas de ellas, la unánime apuesta por una transformación claramente centrada en la gestión TIC y un horizonte de transformación con mucho margen para la mejora. Además, el análisis y el contexto que lo sitúa nos llama la atención sobre la necesidad de que estos procesos que siguen en marcha y continúan, no se conviertan en una oportunidad perdida para repensar y transformar verdaderamente nuestra visión de la visión de la universidad para el futuro.

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    Authors: Oger, B.; Vismara, P.; Tisseyre, B.;

    This paper describes a new approach for yield sampling in viticulture. It combines approaches based on auxiliary information and path optimization to offer more consistent sampling strategies, integrating statistical approaches with computer methods. To achieve this, groups of potential sampling points, comparable according to their auxiliary data values are created. Then, an optimal path connecting several points, one from each group of potential sampling points and minimizing the route distance is created. This part is performed using constraint programming, a programming paradigm offering tools to deal efficiently with combinatorial problems. The paper presents the formalization of the problem, as well as the tests performed on real fields. Results show that combining target sampling and path optimization can reduce by 45% the average sampling circuit length compared to previous methods based on auxiliary data while being almost equivalent in yield prediction error.

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    Authors: Garcia Lucas, Kassio R.; Anton, Assumpcio; Ventura, Mauricio Ursi; Pereira Andrade, Edilene; +1 Authors

    The purpose of the study was to evaluate the use of and suggest possible adjustments to indicators of biodiversity loss for LCA proposed by Chaudhary and Books (2018). For this, we analyzed soybean production in Brazil. Potential damage to biodiversity has been determined for all Brazilian ecoregions: the Amazon; the Atlantic forest; Caatinga; Cerrado; Pampas; and the Pantanal. Two dimensions of assessment were considered - global and regional - in addition to Average-country. An adjustment was proposed for the vulnerability coefficient to the indicators Average-country Brazil: the Regional Species Fragility Index (FI). Two inventories were created using two different functional units: area of production of soybean by ecoregion (year m2); and area corresponding to production of 1 kg of soybean (year m2). Thus, we observed that when the indicators of aggregate values were adopted, the Atlantic Forest was the ecoregion most affected by the crop. Regarding the assessments of the Potential Biodiversity Damage (BD) Global and Regional indicators, the Atlantic Forest and the Amazon were the ecoregions that suffered the highest impacts, mainly on plants, birds and amphibians taxa. Besides, the impacts at the global level were always more expressive than the regional ones. Due to this, we noticed that the results were influenced by the Vulnerability Score (VS). The suitability of the VS for FI is relevant and the adjustment in the equation can be suggested for other regions. Considering the results found here, to prevent regional impacts, technical measures such as extensive farming and crop rotation should be prioritized as impact mitigation actions. However, political measures tend to be more effective at geographic levels when addressing more than one ecoregion, due to the s

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    Authors: Andrade, Edilene Pereira; Bonmati, August; Esteller, Laureano Jimenez; Vallejo, Assumpcio Anton;
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    Authors: Andrade EP; Bonmati A; Esteller LJ; Brunn S; +3 Authors

    The adverse effects of agriculture and livestock production on the environment are well-known and require mitigation in order to achieve sustainability in the food production chain. This study focused on adverse effects related to biogeochemical flows of phosphorus and nitrogen cycles which natural balances have been greatly disturbed by current practices. To assess the potential benefits and detrimental effects of proposed mitigation measures, adequate impact indicators are required. The challenge lies in identifying and providing indicators that cover the important aspects of environmental sustainability and allow a direct comparison of policy alternatives. A review of potential indicators that are also consistent with those used to indicate the performance of agricultural and general sustainability (i.e. the European Green Deal) led to the selection of fifteen agri-environmental indicators covering the main environmental issues in agriculture. The indicators identified offered an effective representation of environmental behaviour and would be useful in communicating a comprehensive ‘dashboard’ for professional end users of solutions to nutrient recovery and nutrient efficiency improvement in arable and livestock systems. The selected dashboard indicators (DBI) covered the dimensions of ‘use of primary resources’, ‘emissions to the environment’ and ‘resilience to climate change’. Five case studies were investigated to test the DBI using an Excel questionnaire applying the qualitative approach of the Delphi method together with expert knowledge. As expected, the results indicated that there were potential benefits of the technologies in terms of improved ‘nutrient recovery’ and decreased ‘nitrate leaching’. Potential disadvantages included increased electricity and oi

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    Authors: Biancamaria, S.; Mballo, M.; Le Moigne, P.; Sánchez Pérez, J.M.; +9 Authors

    Study Region Garonne Basin, France. Study Focus This study analyses water mass variations for the whole Garonne basin (50,000 km2 drainage area). To do so, Total Water Storage Anomalies (TWSA) from seven global solutions based on the Gravity Recovery And Climate Experiment (GRACE) satellite mission measurements (˜300 km spatial resolution) are inter-compared with TWSA from two hydrological models, SAFRAN-ISBA-MODCOU (SIM) and Soil and Water Assessment Tool (SWAT), between January 2003 and December 2010. New Hydrological Insights for the Region Despite the small size of the Garonne basin compared to GRACE spatial resolution, good agreement between GRACE solutions and hydrological model TWSA has been found (maximum correlation coefficient ˜0.9 and Nash-Sutcliffe Efficiency, NSE, ˜0.7). These datasets showed that TWSA in the Garonne basin is mainly due to water stored in the first dozen meters of soil and in the shallow aquifer. To a smaller extent, snow also influences Garonne TWSA. Open surface water TWSA is quite small and TWSA from deep aquifer is negligible. The most important drought period occurred in 2011/2012, due to low precipitation during the two hydrological years and ETR close to previous years. Important precipitation in 2013/2014 helps to refill the water stocks. This study also showed that GRACE and models mismatches should be due to GRACE poor spatial resolution, but also to its monthly time resolution (rarely shown in previous studies).

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      CemOA
      2019
      Data sources: CemOA
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    Authors: Reza Mirsoleimani, H.; Reza Sahebi, M.; Baghdadi, N.; El Hajj, M.;

    The main purpose of this study is to investigate the performance of two radar backscattering models; the calibrated integral equation model (CIEM) and the modified Dubois model (MDB) over an agricultural area in Karaj, Iran. In the first part, the performance of the models is evaluated based on the field measurement and the mentioned backscattering models, CIEM and MDB performed with root mean square error (RMSE) of 0.78 dB and 1.45 dB, respectively. In the second step, based on the neural networks (NNS), soil surface moisture is estimated using the two backscattering models, based on neural networks (NNs), from single polarization Sentinel-1 images over bare soils. The inversion results show the efficiency of the single polarized data for retrieving soil surface moisture, especially for VV polarization.

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    CemOA
    2019
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      CemOA
      2019
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    Authors: Castelló, Enric;

    This article discusses the concept of terroir in the light of the communication practices. It provides a literature review illustrated with a case observation. The author identifies three key stages in the constitution of the terroir through communication: organizational norms and interaction; the circulation of public relations, marketing and media messages, and promotion; and a meaningful consumer experience that closes the circle of a terroir-based storytelling. Here, communication processes play a leading role, which includes the agency of diverse stakeholders. The author argues that, among these stakeholders, geographical indication (GI) organizations are leading agents that build symbolic terroir practices. One of the text's principal theses is that terroir is a socio-cultural construction embedded in storytelling practices with a broad scientific, economic, social and cultural exchange. For this terroir to exist, there must be a collective will, driven by the interests of a wide range of stakeholders such as policymakers, local communities, vine growers, winemakers, marketers and consumers. The practice of defining, communicating and circulating this storytelling is what finally transfers agency to the narrative itself in what the author refers to as the will for terroir. The article illustrates the process with a case study of a wine GI in Catalonia (Spain) and discusses how the will for terroir is relevant at each stage.

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    Authors: Alavoine-Mornas, F.;

    In the Provence Alpes Côte d'Azur region (France), some forest lands are converted to agricultural use, in particular in the wine-growing sector. In this region agricultural lands have to cope with urbanization and agricultural land abandonment. But this trend raises the question of natural and forest lands preservation. The issue is also to understand the conditions of these changes in land use. We carried out an exploratory study in order to quantify this evolution and provide information on the agriculture and forest stakes. This work was based on a bibliographic study and some interviews among local stakeholders. We also conducted a more precise study in the Var department using the CRIGE-PACA database to quantify the changes in land use regarding vineyards and forests (conversion of forest land to vineyards and vice-versa) between 2006 and 2014. We showed that the surfaces of forest lands to vineyards was very small. The requests for authorization to clear forest land often concerned plots which were formerly cultivated. However the context could accelerate this process, especially due to outside investors entering the wine-growing sector as well as the surface growth of som AOC/AOP, and the strong willingness of agricultural organizations to develop the wine-growing sector and more widely the agricultural sector. A more comprehensive study will be needed using spatial data to locate the impacted territories and assess the possible effects on forests. / En région Provence-Alpes-Côte d'Azur (France), des terres sont récupérées sur des espaces forestiers par des agriculteurs, particulièrement dans le secteur viticole. Dans une région où les espaces agricoles peinent à se maintenir face au développement urbain et à la déprise, cette tendance pose cependant la question de la préservation des espaces naturels et forestiers et des conditions dans lesquelles s'effectuent ces changements d'occupation du sol (lieu, superficie et types de forêts concernées, projets de valorisation de ces espaces...). Nous avons réalisé une étude exploratoire visant à quantifier cette évolution et à en préciser les enjeux pour l'agriculture et pour les espaces forestiers. Ce travail a été conduit à partir de la bibliographie existante et d'entretiens avec quelques acteurs du territoire. Un travail plus précis a été réalisé sur le département du Var, pour lequel nous avons utilisé des bases de données du CRIGE-PACA pour quantifier les transformations d'occupation du sol concernant la viticulture et la forêt (transformation de forêts en vignobles, et vice versa) entre 2006 et 2014. Les analyses montrent que les superficies de forêts converties en vignobles aux dépens d'espaces forestiers ont été très limitées au cours de la période étudiée. Les demandes de défrichement concernent souvent des parcelles anciennement cultivées. Cependant certains éléments de contexte pourraient conduire à une accélération de cette tendance, notamment l'entrée d'investisseurs extérieurs au secteur viticole apportant des capitaux importants et souhaitant les valoriser, l'extension des aires d'appellations de certaines AOC/AOP, et la volonté affirmée des organisations professionnelles agricoles de développer le secteur viticole provençal et plus largement l'agriculture. Le travail réalisé devra être poursuivi par des études spatialisées permettant de localiser les territoires impactés (ou pouvant être impactés) par cette tendance et d'évaluer les effets possibles sur les forêts concernées.

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    CemOA
    2019
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      CemOA
      2019
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    Authors: Lauga, B.; Balvay, B.; Topart, L.; Leclaire, J.; +5 Authors

    With the emergence of digital technologies, farms become a relevant source of data to meet the challenges of multi-performance agriculture. Beyond the services provided, access to farmers' data depends on a clear understanding of their use, which must be done in a transparent way. Several codes of conduct at a national or international level push for a voluntary commitment to respect some good practices in the use of agricultural data. To provide a tool and answer farmer's questions on the control of their data and the transparency of the data processing, the partners of the MULTIPASS project, have imagined an interoperable ecosystem of farmer consents management, protecting farmers from no consented uses of their data. Farmers' expectations of such an ecosystem have been expressed during workshops. They want to better identify existing data flows, including actors, data processes, and data clusters. Based on the farmers' expectations, the MULTIPASS project stakeholders have proposed the architecture of an ecosystem integrating two consent management tools as "pilots". This ecosystem should take in charge the interoperability between each consent management tools or with future tools. This solution is based on a shared typology of data and data processes as well as on the specifications of the consent message content. All these elements should be easily accessible to meet the interoperability need of the ecosystem. It is also based on a router, which provides unified access to consent management tools (using API). In particular, it provides the farmer (beneficiary) with an exhaustive view of his/her consents (which can be distributed on several consent management systems), meeting farmers' expectations for transparency. It is also the point where a data provider can check whether the consent required to provide data exists, without needing to know which consent management system is concerned. In this project, the stakeholders want to demonstrate to agricultural professional organizations the benefits and feasibility of a consent management ecosystem. By strengthening the confidence of farmers to share data, the project will allow the emergence of new knowledge and new services.

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    CemOA
    2019
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      CemOA
      2019
      Data sources: CemOA