Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Demographic status and population genetic differentiation of Candy Darter populations in Virginia


July 2016 - September 2018


(1) Document spatiotemporal shifts in occupancy and suitability of riffles in Stony Creek and Cripple Creek.
(2) Monitor populations to estimate relative population size for use in demographic projections and assessment of population viability.
(3) Estimate life-history attributes such as fecundity, age-specific survival, annual recruitment, and age structure.
(4) Analyze molecular and life-history data to define demographic and evolutionarily significant units for the species and to estimate genetic diversity and effective population size.


Current Staff

Federal Staff: 102

Masters Students: 243

Phd Students: 163

Post Docs: 57

University Staff: 254

5 Year Summary

Students graduated: 699

Scientific Publications: 1910

Presentations: 4358



Funding Agencies

  • Virginia Department of Game and Inland Fisheries


Cooperative Research Units Program Headquarters Cooperators