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James D. Nichols

USGS Patuxent Wildlife Research Center
12100 Beech Forest Dr.
Laurel, MD 20708-4017


Telephone: 301-497-5660

Fax: 301-497-5666


Wildlife Biologist / Senior Scientist

Primary Responsibilities: 
Conduct research on animal population dynamics and management

B.S. Wake Forest University, Biology, 1971
M.S. Louisiana State University, Wildlife Management, 1973
Ph.D. Michigan State University, Wildlife Ecology, 1976

Areas of Expertise/Interest: Animal population dynamics and management, demographic estimation methods.


2005 - U.S. Presidential Rank Award (Meritorious Senior Professional) 

2004 - U.S. Geological Survey Meritorious Service Award

2004 - IFAS Scholar Award, University of Florida

1998 - Promoted to Senior Scientist, U.S. Geological Survey 

1991 - The George W. Snedecor Award of the American Statistical Association 

1991 - The Wildlife Society's Wildlife Publication Award for Monograph 

1984 - Southeastern Section of the Wildlife Society, Outstanding Publication Award 

Active Projects: 

Adaptive management and assessment of habitat changes on migratory birds

Development of models of mallard population dynamics for adaptive harvest management

Development of methods to estimate parameters associated with animal population dynamics

Statistical methods for species richness estimation

Technical Assistance -Tiger Monitoring and Population Research

Development of methods for estimating patch occupancy and patch-dynamic parameters from detection-nondetection survey data

Development of methods to estimate species richness and community-dynamic parameters from species list data

Selected Publications/Products: 

Moniz, L.J., J.D. Nichols, and J.M. Nichols. 2007. Mapping the information landscape: discerning peaks and valleys for ecological monitoring. J. Biol. Physics (in press)

Nichols, J.D., J.E. Hines, D.I. MacKenzie, M.E. Seamans, and R.J. Gutierrez. 2007. Occupancy estimation with multiple states and state uncertainty. Ecology (in press).

Ferraz, G., J.D. Nichols, J.E. Hines, P.C. Stouffer, R.O. Bierregaard, Jr., and T.E. Lovejoy. 2007. A large-scale deforestation experiment: Effects of patch area and isolation on Amazon birds. Science 315:238-241.

Nichols, J.D., and B.K. Williams. 2006.  Monitoring for conservation. Trends in Ecology and Evolution 21:668-673.

Mackenzie, D.I., J.D. Nichols, J.A. Royle, K.H. Pollock, L.A. Bailey, and J.E. Hines. 2006. Occupancy modeling and estimation. Academic Press, San Diego, CA. 324pp.

Nichols, J.D., W.L. Kendall, J.E. Hines, and J.A. Spendelow. 2004. Estimation of sex- specific survival from capture-recapture data when sex is not always known. Ecology 85:3192-3201. 

Williams, B.K., J.D. Nichols, and M.J. Conroy. 2002. Analysis and management of animal populations.  Academic Press, San Diego. 817pp.

Karanth, K.U. and J.D. Nichols (eds.) Monitoring tigers and their prey. 2002.  A manual for wildlife managers, researchers, and conservationists. Centre for Wildlife Studies, Bangalore, India. 193pp. 

Nichols, J.D., and J.E. Hines. 2002. Approaches for the direct estimation of 8, and demographic contributions to 8, using capture-recapture data. J. Appl. Stat. 29:539-568.

Clobert, J., E. Danchin, A.A. Dhondt, and J.D. Nichols (eds.) 2001. Dispersal. Oxford Univ. Press, Oxford, UK. 452pp.

Nichols, J.D. 2001. Using models in the conduct of science and management of natural resources. Pages 11-34 in T.M. Shenk and A.B. Franklin (eds.) Modeling in Natural Resource Management: Development, Interpretation and Application. Island Press, Washington.

Nichols, J.D. 2000. Evolution of harvest management for North American waterfowl:    Selective pressures and preadaptations for adaptive harvest management.  Trans. N. Amer. Wildl. Natural Resour. Conf. 65:65-77.

Nichols, J.D., J.E. Hines, J.-D. Lebreton, and R. Pradel. 2000. Estimation of contributions to population growth: a reverse-time capture-recapture approach. Ecology 81:3362-3376.

Pollock, K.H., J.D. Nichols, C. Brownie, and J.E. Hines.  1990.  Statistical inference for capture-recapture experiments.  Wildl. Monogr.  107. 97pp.  

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