Current Research
Pearly Mussel Ecology.
I have been trying to understand what controls the distribution and abundance of pearly mussels, a species-rich and highly endangered group of animals in eastern North America. I have also been working on better methods to monitor mussel populations.
Ecological Functions of Submersed Plant Beds.
Beds of water celery (Vallisneria americana) and other plants are widespread in the Hudson River, and play several important ecological functions. These beds contain a diverse invertebrate community, which may serve as a major source of food to the river's fish.
Zebra Mussels and the Hudson River.
Zebra mussels appeared in the Hudson in 1991 and fundamentally transformed the ecosystem. The zebra mussel invasion is linked to losses of native mussels and changes in the fish community.
Ecofocus Articles
Published in the Poughkeepsie Journal, EcoFocus is a biweekly column authored by Cary Institute staff.
Better controls needed to keep pets out of wild by Dr. David L. Strayer - March 25, 2012
Mussel shells evoke visions of the past by Dr. David L. Strayer - January 29, 2012
Be on the lookout for the beauty of ice by Dr. David L. Strayer - January 15, 2012
More action needed to stop invasive species by Dr. David Strayer - November 20, 2011
Halt the wild boar menace
by Dr. David L. Strayer - June 5, 2011
Zebra mussels losing their grip; Hudson River ecosystem rebounding
by Dr. David L. Strayer - April 24, 2011
Collective carelessness has led to loss of many species
by Dr. David L. Strayer - March 13, 2011
Ash tree faces die-off as Asian pest spreads
by Dr. David L. Strayer and Dr. Gary Lovett - October 10, 2010
Take a moment to savor the age of 300 million ponds, lakes
by Dr. David L. Strayer - July 18, 2010
Shorelines: Where people meet their river
by Dr. Stuart Findlay and Dr. David L. Strayer - June 20, 2010
It's time to remember to protect fish population
by Dr. David L. Strayer - May 9, 2010
Manage pathways to block invasive species
by Dr. David L. Strayer - January 31, 2010
Breathing lessons: Living without oxygen
by Dr. Jonathan Cole and Dr. David L. Strayer - January 3, 2010
Fish out of their own water
by Dr. David L. Strayer - December 6, 2009
Human progress leads to 'lost worlds'
by Dr. David L. Strayer - March 29, 2009
Groundwater is essential
by Dr. David L. Strayer - March 1, 2009
Rising human demand for fresh water on course to put other species at risk
by Dr. David L. Strayer - January 18, 2009
Proposed shipping rules target invasive species
by Dr. David L. Strayer - December 7, 2008
Chinese mitten crabs: Invasive species found in Hudson
by Dr. David L. Strayer - March 30, 2008
Plodding process lets invasive species take hold
by Dr. David L. Strayer - February 3, 2008
No free lunch with hydropower
by Dr. David L. Strayer - December 9, 2007
Protect tiny tributaries to preserve Hudson's health
by Dr. David L. Strayer - September 2, 2007
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Selected Publications
- Strayer, D. L. 2010. Alien species in fresh waters: ecological effects, interactions with other stressors, and prospects for the future. Freshwater Biol. 55:152-174, suppl. 1
- Strayer, D. L., and D. Dudgeon. 2010. Freshwater biodiversity conservation: recent progress and future challenges. J. N. Am. Benthol. Soc. 29(1):344-358
- Strayer, D. L. and S. E. G. Findlay. 2010. Ecology of freshwater shore zones. Aquat. Sci. 72:127-163. DOI 10.1007/s00027-010-0128-9
- Pace, M. L., D. L. Strayer, D. Fischer, and H. M. Malcom. 2010. Recovery of native zooplankton associated with increased mortality of an invasive mussel. Ecosphere 1(1):art. 3. doi:10.1890/ES10-00002.1.
- Strayer, D. L. 2009. Twenty years of zebra mussels: lessons from the mollusk that made headlines. Front. Ecol. Environ. 7(3): 135–141.
- Strayer, D. L., M. L. Pace, N. F. Caraco, J. J. Cole, and S.E.G. Findlay. 2008. Hydrology and grazing jointly control a large-river food web. Ecology 89(1):12-18.
- Strayer, D. L., and H. M. Malcom. 2007. Submersed vegetation as habitat for invertebrates in the Hudson River Estuary. Estuaries and Coasts. 30(2):253–264.
- Meyer, J. L., D. L. Strayer, J. B. Wallace, S. L. Eggert, G. S. Helfman, and N. E. Leonard. 2007. The contribution of headwater streams to biodiversity in river networks. JAWRA 43(1):86-103.
- Strayer, D. L., and H. M. Malcom. 2007. Effects of zebra mussels (Dreissena polymorpha) on native bivalves: The beginning of the end or the end of the beginning? J. N. Am. Benthol. Soc. 26(1):111–122.
- Strayer, D. L. 2006. Challenges for freshwater invertebrate conservation. J. N. Am. Benthol. Soc. 25(2):271–287.
- Strayer, D. L., H. M. Malcom, R. E. Bell, S. M. Carbotte, and F. O. Nitsch. 2006. Using geophysical information to define benthic habitats in a large river. Freshwater Biology. 51:25-38.
- Strayer, D. L., and H. M. Malcom. 2006. Long-term demography of a zebra mussel (Dreissena polymorpha) population. Freshwater Biology. 51:117-130.
- Strayer, D. L. 2005. Challenges in understanding the functions of ecological heterogeneity. pp. 411-425. In: G. M. Lovett, C. G. Jones, M. G. Turner, and K. C. Weathers (eds.). Ecosystem Function in Heterogeneous Landscapes. Springer-Verlag New York, Inc.
- Jeschke, J. M., and D. L. Strayer. 2005. Invasion success of vertebrates in Europe
and North America. Proceedings of the National Academy of Sciences 102(20):7198–7202.
- Strayer, D. L., K. Hattala, and A. Kahnle. 2004. Effects of an invasive bivalve (Dreissena polymorpha) on fish populations in the Hudson River estuary. Canadian Journal of Fisheries and Aquatic Sciences. 61: 924-941.
- Meyer, J. L., L. A. Kaplan, D. Newbold, D. L. Strayer, C. J. Woltemade, J. B. Zedler, R. Beilfuss, Q. Carpenter, R. Semlitsch, M. C. Watzin, and P. H. Zedler. 2003. Where Rivers Are Born: The Scientific Imperative for Defending Small Streams and Wetlands. American Rivers and The Sierra Club, Washington, D. C. 23 pp.
- Strayer, D. L., C. Lutz, H. M. Malcom, K. Munger, and W. H. Shaw. 2003. Invertebrate communities associated with a native (Vallisneria americana) and an alien (Trapa natans) macrophyte in a large river. Freshwater Biology 48: 1938-1949.
- Strayer, D. L., H. Ewing, and S. Bigelow. 2003. What kind of spatial and temporal details are required in models of heterogeneous systems? Oikos 102: 654-662.
- Strayer, D. L., and D. R. Smith. 2003. A guide to sampling freshwater mussel populations. American Fisheries Society Monograph 8:1-103.
- Strayer, D. L., and L. C. Smith. 2001. The zoobenthos of the freshwater tidal Hudson River and its response to the zebra mussel (Dreissena polymorpha) invasion. Archiv für Hydrobiologie Supplementband 139: 1-52.
- Strayer, D. L. 1999. Use of flow refuges by unionoid mussels in rivers. Journal of the North American Benthological Society 18: 468-476
- Strayer, D. L., N. F. Caraco, J. J. Cole, S. Findlay, and M. L. Pace. 1999. Transformation of freshwater ecosystems by bivalves: a case study of zebra mussels in the Hudson River. BioScience 49: 19-27.
- Strayer, D. L., and K. J. Jirka. 1997. The pearly mussels of New York state. Memoirs of the New York State Museum 26: 1-113 + 27 plates.
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