Impact assessment for LCAs involving agricultural production

被引：35

作者：

Cowell S.J. ^{[1
]}

Clift R. ^{[1
]}

机构：

[1] Centre for Environmental Strategy, University of Surrey, Guildford

来源：

The International Journal of Life Cycle Assessment | 1997年 / 2卷 / 2期

基金：

英国经济与社会研究理事会; 英国工程与自然科学研究理事会;

关键词：

Agricultural production; Impact assessment; Life cycle assessment;

D O I：

10.1007/BF02978767

中图分类号：

学科分类号：

摘要：

LCA has been developed primarily for industrial production systems. Application to agricultural systems requires systematic application of existing methodology and new methodological developments. Conventional approaches can obscure potential options for improving the environmental performance of systems involving agricultural production due to use of restricted system boundaries, incomplete assessment of impacts, and exclusion of ancillaries from the analysis. For use of nutrients such as phosphorus, it is proposed that Impact Assessment should be based on the quantity dispersed after use rather than on the input to the productive system. Eventually, the impacts associated with depletion should be based on technological or thermodynamic assessment of concentration for reuse, but this approach requires further theoretical development.

引用

页码：99 / 103

页数：4

共 19 条

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