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MOLECULAR INDICATORS OF GENETIC DIVERSITY: UTILITY AT LOCAL AND REGIONAL SCALES
Citation:
Bagley, M J. MOLECULAR INDICATORS OF GENETIC DIVERSITY: UTILITY AT LOCAL AND REGIONAL SCALES. Presented at Workshop on Environmental Indicators, Kansas City, MO, May 19, 2004.
Impact/Purpose:
The objective of this task is to develop molecular indicators to evaluate the integrity and sustainability of aquatic fish, invertebrate, and plant communities (GPRA goal 4.5.2). Specifically, this subtask aims to evaluate methods for the measurement of:
fish and invertebrate community composition, especially for morphologically indistinct (cryptic) species
population genetic structure of aquatic indicator species and its relationship to landscape determinants of population structure (to aid in defining natural assessment units and to allow correlation of population substructure with regional stressor coverages)
genetic diversity within populations of aquatic indicator species, as an indicator of vulnerability to further exposure and as an indicator of cumulative exposure
patterns of temporal change in genetic diversity of aquatic indicator species, as a monitoring tool for establishing long-term population trends.
Description:
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