Abstract
Background
The primary purpose of environmental assessment is to protect biological systems. Data collected over the last several decades indicates that the greatest impacts on biological resources derive from physical changes in land use. However, to date there is no consensus on indicators of land use that could be applicable worldwide at all scales. This has hampered the assessment of land use in the context of LCA.
Objectives
The Institute for Environmental Research and Education and its partner Defenders of Wildlife have begun an effort to develop the necessary consensus.
Methods
In July 2000, they held a workshop attended by a diverse group of interested parties and experts to develop a preliminary list of life cycle indicators for land use impacts.
Results
Their preliminary list of impact indicators includes: protection of priority habitats/species; soil characteristics: soil health; proximity to & protection of high priority vegetative communities; interface between water and terrestrial habitats/buffer zones; assimilative capacity of water and land; hydrological function; percent coverage of invasive species within protected areas; road density; percent native-dominated vegetation; restoration of native vegetation; adoption of Best Management Practices linked to biodiversity objectives; distribution (patchiness; evenness, etc.); and connectivity of native habitat.
Conclusion
The list of indicators conforms well to other efforts in developing indicators. There appears to be convergence among experts in the field and in related fields on the appropriate things to measure.
Future Prospects
These indicators are currently being tested in the United States. Further workshops and testing is planned towards developing internationally recognized indicators for land use.
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Schenck, R.C. Land use and biodiversity indicators for life cycle impact assessment. Int. J. LCA 6, 114–117 (2001). https://doi.org/10.1007/BF02977848
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DOI: https://doi.org/10.1007/BF02977848