David P. Larsen

Research Aquatic Biologist

Voice: 541-754-4362
Email: larsen.david@epa.gov

Education:

B.A., Pomona College, Claremont, CA; Zoology, 1964
Ph.D., Oregon State University, Corvallis, OR; Biological Oceanography, 1975

Previous Positions:

1981-1989: Team leader, Environmental Assessment Team, ERL, Corvallis, OR
1980-1981: Team leader, Microcosm Toxicology Team, ERL, Corvallis, OR
1972-1980: Research Aquatic Biologist, ERL, Corvallis, OR

Research Interests and Skills:

Effects of human disturbances on aquatic ecosystems
Environmental statistics

Professional Societies:

American Association for the Advancement of Science

Appointments / Honors:

EPA's Bronze Medal for research in support of EMAP-Surface Waters, 1993
EPA ORD's Scientific and Technological Achievement Award, 1987
Reviewer for Canadian Journal of Fisheries and Aquatic Sciences; Transactions of American Fisheries Society; Environmental Management

Selected Publications:

Larsen, D.P., P.R. Kaufmann, T.M. Kincaid, and N.S. Urquhart. 2004. Detecting persistent change in the habitat of salmon-bearing streams in the Pacific Northwest. Can. J. Fish. Aquat. Sci. 61:283-291.
Cao, Y., D.P. Larsen, and D. White. 2004. Estimating regional species richness using a limited number of survey units. EcoScience 11(1):23-35.
Waite, I.R., A.T. Herlihy, D.P. Larsen, N.S. Urquhart, and D.J. Klemm. 2004. The effects of macroinvertebrate taxonomic resolution in large landscape bioassessments: an example from the Mid-Atlantic Highlands, USA. Freshwater Biology, 49:474-489.
Cao, Y., D.D. Williams, and D.P. Larsen. 2002. Comparison of ecological communities: the problem of sample representativeness. Ecological Monographs 72(1): 41-56
Whittier, T.R., S.G. Paulsen, D.P. Larsen, S.A. Peterson, A.T. Herlihy, and P.R. Kaufmann. 2002. Indicators of ecological stress and their extent in the population of Northeastern lakes: A regional-scale assessment. BioScience 52:235-247.
Cao, Y., D.P. Larsen, R.M. Hughes, P. L. Angermeier, and T. M. Patton. 2002. Sampling effort affects multivariate comparisons of stream communities. J. N. Am. Benthol. Soc.21(4):701-714.
Larsen, D.P., T.M. Kincaid, S.E. Jacobs, and N.S. Urquhart. 2001. Designs for evaluating local and regional scale trends. BioScience 51(12):1069-1078.
Stemberger, R.S., D.P. Larsen, and T.M. Kincaid. 2001. Sensitivity of zooplankton for regional lake monitoring. Can. J. Fish. Aquat. Sci. 58:2222-2232.
Cao, Y., D.P. Larsen, and R.M. Hughes. 2001. Evaluating sampling sufficiency in fish assemblage surveys -- a similarity-based approach. Can. J. Fish. Aquat. Sci. 58:1782-1793.
Cao, Y, D.P. Larsen, and R. St.-J. Thorne. 2001. Rare species in multivariate analysis for bioassessment: some considerations. J. North American Benthological Society. 20:144-153.
Li, J., A. Herlihy, W. Gerth, P.R. Kaufmann, S. Gregory, S. Urquhart, and D.P. Larsen. 2001. Variability in stream macroinvertebrates at multiple spatial scales. Freshwater Biology 46:87-97.
McCormick, F.H., D.V. Peck, and D.P. Larsen. 2000. Comparison of geographic classification schemes for Mid-Atlantic stream fish assemblages. Journal of the North American Benthological Society. 19(3):385-404.
Waite, I.R., A.T. Herlihy, D.P. Larsen, and D.J. Klemm. 2000. Comparing strengths of geographic and nongeographic classifications of stream benthic macroinvertebrates in the Mid-Atlantic Highlands, USA. Journal of the North American Benthological Society. 19(3): 429-441.
Herlihy, A.T., D.P. Larsen, S.G. Paulsen, N.S. Urquhart, and B.J. Rosenbaum. 2000. Designing a spatially balanced, randomized site selection process for regional stream surveys: The EMAP Mid-Atlantic Pilot Study. Environ. Monit. Assess. 63:95-113.
Bryce, S.A., D.P. Larsen, R.M. Hughes, and P.R. Kaufmann. 1999. Assessing relative risks to aquatic ecosystems: a mid-Appalachian case study. J. Am. Water Resources Assn. 35(1):1-14.
Larsen, D.P., and A.T. Herlihy. 1998. The dilemma of sampling streams for macroinvertebrate richness. J. N. Am. Benthological Soc. 17:359-366.
Paulsen, S.G., R.M. Hughes, and D.P. Larsen. 1998. Critical elements in describing and understanding our nation's aquatic resources. J. Am. Water Resources Assn. 34:995-1005.
Urquhart, N.S., S.G. Paulsen, and D.P. Larsen. 1998. Monitoring for policy-relevant regional trends over time. Ecological Applications 8:246-257.
Larsen, D.P. 1997. Sample survey design issues for bioassessment of inland aquatic ecosystems. Hum. & Ecol. Risk Assess. 3(6):979-991.
Larsen, D.P., N.S. Urquhart, and D.L. Kugler. 1995. Regional scale trend monitoring of indicators of trophic condition of lakes. Water Resources Bulletin 31:117-140.
Larsen, D.P. 1994. The role of ecological sample surveys in the implementation of biocriteria. Pages 287-300 in W.S. Davis and T.P. Simon, editors. Biological Assessment and Criteria: Tools for Water Resource Planning and Decision Making. Lewis Publishers, Boca Raton.
Larsen, D.P., K.W. Thornton, N.S. Urquhart, and S.G. Paulsen. 1994. The role of sample surveys for monitoring the condition of the nation's lakes. Environ. Monit. Assess. 32:101-134.
Nelson, R.L., W.S. Platts, D.P. Larsen, and S.E. Jensen. 1992. Trout distribution and habitat in relation to geology and geomorphology in the North Fork Humbolt River Drainage, Northeastern Nevada. Trans. Amer. Fish. Soc. 121:405-426.
Hughes, R.M., T.R. Whittier, C.M. Rohm, and D.P. Larsen. 1990. A regional framework for establishing recovery criteria. Environmental Management 14:673-683.
Hughes, R.M., and D.P. Larsen. 1988. Ecoregions: an approach to surface water protection. J. Water Pollut. Control Fed. 60:486-493.
Larsen, D.P., D.R. Dudley, and R.M. Hughes. 1988. A regional approach to assess attainable water quality: an Ohio case study. J. Soil Water Conserv. 43:171-176.
Whittier, T.R., R.M. Hughes, and D.P. Larsen. 1987. The correspondence between aquatic ecoregions and spatial patterns in stream ecosystems in Oregon. Can J. Fish. Aquat. Sci. 45:1264-1278.
Larsen, D.P., F. deNoyelles, Jr., F.S. Stay, and T. Shiroyama. 1986. Comparisons of single-species, microcosm, and experimental pond responses to atrazine exposure. Environ. Toxicol. Chem. 5:179-190.
Larsen, D.P., et al. 1986. The correspondence between spatial patterns in fish assemblages in Ohio streams and Aquatic ecoregions. Environmental Management 10:815-828.

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