Renewability and emergy footprint at different spatial scales for innovative food systems in Europe
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- 作者：Christina Wright ; Hanne Ø ; stergå ; rd ; haqs@kt.dtu.dk" class="auth_mail" title="E-mail the corresponding author
- 关键词：Low-input agriculture ; Renewability ; Food supply system ; Emergy footprint ; Renewable empower density ; Overshoot
- 刊名：Ecological Indicators
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：62
- 期：Complete
- 页码：220-227
- 全文大小：628 K
文摘
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The emergy-based footprint indicator was expanded to reflect geographical scales.
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Three European innovative food systems were compared by emergy assessment.
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Systems ranked differently with respect to renewability, UEV and EmF.
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The emergy footprints were 3–10 times the geographical system boundaries.
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The annual resource use of the world in emergy terms requires about 7 globes.