Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable

By transfering assignment of substances or lands, the biomass energy file development creates competition with food and biodiversity functions of lands. It is therefore recommended to separate fields, producing second generation biofuels from woody biomass, sometimes prohibiting the use of corn in b...

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Autor principal:	Yves Poinsot
Formato:	article
Lenguaje:	FR
Publicado:	Éditions en environnement VertigO 2015
Materias:	biomass land use change agriculture energy forest byproduct Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/c01c5b3e68c54d6d9a59c7877cd9548a
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id	oai:doaj.org-article:c01c5b3e68c54d6d9a59c7877cd9548a
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spelling	oai:doaj.org-article:c01c5b3e68c54d6d9a59c7877cd9548a2021-12-02T10:00:09ZCirconscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable1492-844210.4000/vertigo.16060https://doaj.org/article/c01c5b3e68c54d6d9a59c7877cd9548a2015-05-01T00:00:00Zhttp://journals.openedition.org/vertigo/16060https://doaj.org/toc/1492-8442By transfering assignment of substances or lands, the biomass energy file development creates competition with food and biodiversity functions of lands. It is therefore recommended to separate fields, producing second generation biofuels from woody biomass, sometimes prohibiting the use of corn in biogas digesters, and reserving energy crops to marginal lands. But these attempts to separate face an inevitable permeability between resources reservoirs. For biogas, it follows games on changes of time reserved for food and energy crops in plots, at time scale of a crop cycle or interannual rotations. In the forest, the duration of revolutions is shortened by short rotation coppice that connect industry and land, agricultural and forest. On the markets, changes in status of energy byproducts, becoming joint-products then major products when prices increase, plays the same role. In rural areas, the definition of marginal land that could be reserved for energy crops faces the very approximate limits of the concept. Beyond, biofuel industry using coal to produce fertilizer connects to fossil industry: their CO2 emissions present similar values.Yves PoinsotÉditions en environnement VertigOarticlebiomassland use changeagricultureenergyforestbyproductEnvironmental sciencesGE1-350FRVertigO, Vol 15, Iss 1 (2015)
institution	DOAJ
collection	DOAJ
language	FR
topic	biomass land use change agriculture energy forest byproduct Environmental sciences GE1-350
spellingShingle	biomass land use change agriculture energy forest byproduct Environmental sciences GE1-350 Yves Poinsot Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
description	By transfering assignment of substances or lands, the biomass energy file development creates competition with food and biodiversity functions of lands. It is therefore recommended to separate fields, producing second generation biofuels from woody biomass, sometimes prohibiting the use of corn in biogas digesters, and reserving energy crops to marginal lands. But these attempts to separate face an inevitable permeability between resources reservoirs. For biogas, it follows games on changes of time reserved for food and energy crops in plots, at time scale of a crop cycle or interannual rotations. In the forest, the duration of revolutions is shortened by short rotation coppice that connect industry and land, agricultural and forest. On the markets, changes in status of energy byproducts, becoming joint-products then major products when prices increase, plays the same role. In rural areas, the definition of marginal land that could be reserved for energy crops faces the very approximate limits of the concept. Beyond, biofuel industry using coal to produce fertilizer connects to fossil industry: their CO2 emissions present similar values.
format	article
author	Yves Poinsot
author_facet	Yves Poinsot
author_sort	Yves Poinsot
title	Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
title_short	Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
title_full	Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
title_fullStr	Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
title_full_unstemmed	Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
title_sort	circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable
publisher	Éditions en environnement VertigO
publishDate	2015
url	https://doaj.org/article/c01c5b3e68c54d6d9a59c7877cd9548a
work_keys_str_mv	AT yvespoinsot circonscrirelesgisementsdebiomasseenergiepourprotegerlalimentationetlabiodiversiteledefiintenable
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Circonscrire les gisements de biomasse-énergie pour protéger l'alimentation et la biodiversité : le défi intenable

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