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Auteur J. Garnier |
Documents disponibles écrits par cet auteur (7)

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Article
G. Billen ; E. Aguilera ; R. Einarsson ; J. Garnier ; S. Gingrich ; B. Grizzetti ; L. Lassaletta ; J. Le Noë ; A. Sanz-Cobena |The publication of the European Commission's Farm to Fork Strategy has sparked a heated debate between those who advocate the intensification of agriculture in the name of food security and those who recommend its de-intensification for environm[...]![]()
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A. Rodriguez ; A. Sanz-Cobena ; M. Ruiz-Ramos ; E. Aguilera ; M. Quemada ; G. Billen ; J. Garnier ; L. Lassaletta |Along its route through the agro-food system nitrogen (N) can be wasted, heightening diverse environmental problems. Geopolitical instabilities affect prices of N fertilisers and livestock feed, challenging production systems and increasing thei[...]![]()
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J. Garnier ; G. Billen ; E. Aguilera ; L. Lassaletta ; R. Einarsson ; J. Serra ; M.doR. Cameira ; C. Marques-dos-Santos ; A. Sanz-Cobena |Ammonia (NH3) volatilization, nitrous oxide (N2O) emissions, and nitrate (NO3−) leaching from agriculture cause severe environmental hazards. Research studies and mitigation strategies have mostly focused on one of these nitrogen (N) losse[...]![]()
Article
A partir de trois situations contrastées d'un grand quart nord-est de la France, nous questionnons la manière dont la territorialisation agri-alimentaire, en plus de renforcer une certaine reconnexion entre agriculture et alimentation, engage de[...]![]()
Article
G. Billen ; J. Garnier ; J. Le Noë |De nombreux travaux récents montrent que, à surface agricole constante, il est possible dassurer lapprovisionnement alimentaire de la France, de lEurope et du monde sans engrais industriels azotés. Au prix cependant de profonds changements st[...]![]()
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G. Billen ; J. Le Noë ; J. Garnier |Narratives of two prospective scenarios for the future of French agriculture were elaborated by pushing several trends already acting on the dynamics of the current system to their logical end. The first one pursues the opening and specializatio[...]![]()
Article
C. Tedesco ; C. Petit ; G. Billen ; J. Garnier ; E. Personne |With growing urbanization worldwide, urban sprawl is leading to the extension of peri-urban areas in most countries. These dynamic areas, subjected to pressure from urban planning, are contributing to the uncoupling of consumption and local agri[...]