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USE OF DNA-SIGNATURES AND MICRO-ARRAY ANALYSES FOR ASSESSING FRESHWATER INVERTEBRATE BIODIVERSITY: CURRENT CHALLENGES AND FUTURE PROMISES
Citation:
HAWKINS, C. P., M. PFRENDER, P. L. HARTZELL, D. P. LARSEN, M. BAGLEY, G. COURTNEY, B. R. CREUTZBURG, J. H. EPLER, S. FEND, L. C. FERRINGTON, S. A. JACKSON, A. LEVESQUE, J. C. MORSE, M. PETERSEN, A. J. RADWELL, D. RUITER, D. SCHINDEL, AND M. WHITING. USE OF DNA-SIGNATURES AND MICRO-ARRAY ANALYSES FOR ASSESSING FRESHWATER INVERTEBRATE BIODIVERSITY: CURRENT CHALLENGES AND FUTURE PROMISES. Presented at North American Benthological Society, Columbia, SC, June 03 - 07, 2007.
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:
Platform presentation at North American Benthological Society Meeting, Columbia SC, June 3-7, 2007.