期刊
WATER SCIENCE AND TECHNOLOGY
卷 62, 期 1, 页码 21-27出版社
IWA PUBLISHING
DOI: 10.2166/wst.2010.270
关键词
agricultural pollution; environmental protection; material flow analysis; nutrition
资金
- Austrian Federal Ministry for Science and Research
The anthropogenic nitrogen turnover of Western societies is highly unbalanced. As a consequence, a permanent supply of nitrogen via mineral fertiliser (produced with high energy inputs) and/or imported fodder are required and result in significant impacts of nitrogen emissions on the environment (air, water, soil). Key factors to an improved nitrogen balance on a national scale are the nutrition habits of the population. According to primary calculations a shift from the actual animal-based nutrition to a healthier nutrition (mainly characterised by 2/3 vegetable protein supply) would lead to a reduction of needed nitrogen supply as well as of nitrogen emissions to the environment by about one quarter to one third on a national scale. More detailed investigations are required in this respect in order to arrive at more specific conclusions and have commenced by an interdisciplinary team led by the authors.
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