Detailed project information for Study Plan Number 02050-04

Branch :	Aquatic Ecology Branch
Study Plan Number :	02050-04
Study Title :	Delineation of freshwater mussel systematics using DNA techniques
Starting Date :	10/01/1994
Completion Date :	09/30/2001
Principal Investigator(s) :	King, Timothy L.
Primary PI :	King, Timothy L.
Telephone Number :	(304) 724-4450
Email Address :	tim_king@usgs.gov
SIS Number :	5002151
Primary Program Element :	Fisheries and Aquatic Resources
Second Program Element :
Status :	Completed
Abstract :	Biological classification provides the fundamental basis for management decisions, yet effective management of imperiled species is often complicated because inadequate information exists for identification of species, subspecies, or distinct population segments. Unfortunately, classical taxonomic methods are often inadequate to differentiate groups along phylogenetic lines, or to provide precise identification or delimitation of closely related species or intraspecific taxa. Freshwater bivalves, which are among the most threatened animals in North America, present this and other significant challenges to conservation biologists that attempt to maintain ecological and evolutionary processes within and among populations. Bivalves are phenotypically plastic as both morphology and conchology are susceptible to environmental influences, thus, external phenotypes are not an infallible guide to the partitioning of genetic diversity.
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