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Presidential Professor of Zoology
Director, Oklahoma Biological SurveyPhone: (405)325-4034/5959
Fax: (405)325-6202RM/Lab:SC134/SH303
Dr. Vaughn's Web Page
Current Research Interests and Subject Areas Available for Graduate Research
My research interests are in the areas of freshwater ecology and conservation biology. Within these two broad areas my students and I are pursuing a variety of basic and applied ecological questions using benthic organisms as models. Much of my recent work focuses on freshwater mussels, a group where 70% of the North American species are considered threatened. Mussels are keystone species in many rivers and their catastrophic decline may lead to the decline of other faunas and the alteration of river ecosystem processes. In my research I am combining experimental and comparative approaches to examine the functional role of mussels in rivers and to determine the mechanisms underlying their distribution and abundance.
To learn more about this research, visit Dr. Vaughn's web page.
Ph.D., University of Oklahoma
M.S., University of Oklahoma
B.S., University of Oklahoma
Selected publications:
Galbraith, Heather S., Sarah Frazier, Brenda Allison and Caryn C. Vaughn. 2009. Comparison of gill surface morphology across a guild of suspension feeding bivalves. Journal of Molluscan Studies doi:10.1093/mollus/eyn045.
Spooner, Daniel E. and Caryn C. Vaughn. 2009. Species richness increases secondary production of freshwater mussels through complementarity: A partitioning approach applied to natural communities. Ecology 90, DOI 10.1890/08-0966.1.
Allen, Daniel C. and Caryn C. Vaughn. 2009. Burrowing behavior of freshwater mussels in experimentally manipulated communities. Journal of the North American Benthological Society 28:93-100.
Spooner, Daniel E. and Caryn C. Vaughn. 2008. A trait-based approach to species’ roles in stream ecosystems: climate change, community structure, and material cycling. Oecologia 158:307-317.
Vaughn, Caryn C., S. Jerrine Nichols and Daniel E. Spooner. 2008. Community and foodweb ecology of freshwater mussels. Journal of the North American Benthological Society 27:409-423.
Galbraith, Heather S., Caryn C. Vaughn and C. Kate Meier. 2008. Environmental variables interact across spatial scales to structure trichopteran assemblages. Hydrobiologia 596:401-411.
Vaughn, Caryn C., Daniel E. Spooner and Heather S. Galbraith. 2007. Context‑dependent species identity effects within a functional group of filter-feeding bivalves. Ecology 88:1654-1662.
Elderkin, C.L., A.D. Christian, C.C. Vaughn, J.L. Metcalfe-Smith and D.J. Berg. 2007. Population genetics of the freshwater mussel Amblema plicata (Say 1817)(Bivalvia: Unionidae): evidence of high dispersal and post glacial colonization. Conservation Genetics 8:355-372.
Vaughn, Caryn C. and Daniel E. Spooner. 2006. Unionid mussels influence macroinvertebrate assemblage structure in streams. Journal of the North American Benthological Society 25:691-700.
Vaughn, Caryn C. and Daniel E. Spooner. 2006. Scale-dependent associations between native freshwater mussels and invasive Corbicula. Hydrobiologia 568:331-339.
Spooner, Daniel E. and Caryn C. Vaughn. 2006. Context-dependent effects of freshwater mussels on the benthic community. Freshwater Biology 51:1016-1024, 1188.
Matthews, W.J., C.C. Vaughn, K.B. Gido and E. Marsh-Matthews. 2005. Southern Plains rivers. Rivers of North America, edited by A.C. Benke and C.E. Cushing. Academic Press.
Vaughn, Caryn C., Keith B. Gido and Daniel E. Spooner. 2004. Ecosystem processes performed by unionid mussels in stream mesocosms: species roles and effects of abundance. Hydrobiologia 527:35-47.
Vaughn, Caryn C. and Daniel E. Spooner. 2004. Status of the mussel fauna of the Poteau River and implications for commercial harvest. American Midland Naturalist 152:136-152.
Vaughn, Caryn C. and Christine C. Hakenkamp. 2001. The functional role of burrowing bivalves in freshwater ecosystems. Freshwater Biology 46:1431-1446.
Vaughn, Caryn C. 2000. Changes in the mussel fauna of the middle Red River drainage: 1910 - present. Pages 225-232 in Tankersley, R.A, Warmolts, D.I., Watters, G.T., Armitage, B.J., Johnson, P.D., and Butler, R.S. (Editors). Freshwater Mollusk Symposium Proceedings. Ohio Biological Survey, Columbus, Ohio. 274 pp.
Vaughn, Caryn C. and Christopher M. Taylor. 2000. Macroecology of a host-parasite relationship. Ecography 23:11-20.
Vaughn, Caryn C. and Christopher M. Taylor. 1999. Impoundments and the decline of freshwater mussels: a case study of an extinction gradient. Conservation Biology 13:912-920.
Vaughn, Caryn C. 1997. Regional patterns of mussel species distributions in North American rivers. Ecography 20:107-115.
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