Bioenergy from “surplus” land: environmental and socio-economic implications

Bioenergy from “surplus” land: environmental and socio-economic implications
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来自“剩余”土地的生物能源:环境和社会经济影响

DOI:
10.3897/biorisk.7.3036
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发表时间:
2012
期刊:
Global Change Biology. Bioenergy
影响因子:
--
通讯作者:
R. Zah
R. Zah
中科院分区:
--
文献类型:
--
作者:
J. Dauber;Chris G. Brown;A. Fernando;J. Finnan;E. Krasuska;Jens Ponitka;D. Styles;D. Thrän;K. V. Groenigen;M. Weih;R. Zah

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生产生物能源对生物量的需求日益增加,造成土地使用冲突。这些冲突可以通过粮食/饲料和能源生产区的空间隔离来解决,办法是继续在现有的生产性农业用地上生产粮食,同时在所谓的“剩余”土地上种植专用能源作物。对剩余土地的定义和定性含糊不清,以及对土地供应和未来生物能源潜力的评估存在不确定性,使人们对这些地区生物能源开发的前景及其对环境和社会经济的影响感到困惑。高度不确定性是由于尚未考虑到环境、经济和社会制约因素,以及这些新作物及其生产方法所提供的潜力尚未得到充分利用。本文提供了一个科学背景,通过澄清术语,确定限制和选择,支持重新评估可用于生物能源生产的土地。
The increasing demand for biomass for the production of bioenergy is generating land-use conflicts. These conflicts might be solved through spatial segregation of food/feed and energy producing areas by continuing producing food on established and productive agricultural land while growing dedicated energy crops on so called “surplus” land. Ambiguity in the definition and characterization of surplus land as well as uncertainty in assessments of land availability and of future bioenergy potentials is causing confusion about the prospects and the environmental and socio-economic implications of bioenergy development in those areas. The high level of uncertainty is due to environmental, economic and social constraints not yet taken into account and to the potentials offered by those novel crops and their production methods not being fully exploited. This paper provides a scientific background in support of a reassessment of land available for bioenergy production by clarifying the terminology, identifying constraints and options for
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