Patuxent Wildlife Research Center

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Monitoring Design - current studies

Sam Droege

Email: sdroege@usgs.gov

Areas of Study

Native Bees Status and Vulnerability to Climate Change in National Parks

Publications

Lebuhn, G., S. Droege, E. F. Connor, B. Gemmill-Herren, S. G. Potts, R. L. Minckley, T. Griswold, R. Jean, E. Kula, D. W. Roubik, J. Cane, K. W. Wright, G. Frankie, and F. Parker. 2013. Detecting insect pollinator declines on regional and global scales. Conservation Biology 27(1):113-120. Abstract

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Mercedes Foster

Email: mfoster@usgs.gov

Website: http://www.pwrc.usgs.gov/history/bsphist2.htm

Publications

Foster, M. 2014. Can fruit pulp meet the calcium needs of tropical frugivorous passerines during reproduction? Journal of Tropical Ecology 30(1):79-88. Abstract

Freeman, M. C., G. R. Buell, L. E. H. W. B. Hay, R. B. Jacobson, J. W. Jones, S. A. Jones, J. H. Lafontaine, K. R. Odom, J. T. Peterson, J. W. Riley, J. S. Schindler, C. Shea, and J. D. Weaver. 2013. Linking river management to species conservation using dynamic landscape scale models. River Research and Applications 29(7):906-918. Abstract

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Jeff Hatfield

Email: jhatfield@usgs.gov

Areas of Study

Range-wide Metapopulation Viability Analysis for the Golden-cheeked Warbler

Publications

Hatfield, J. S., K. E. Myrick, M. A. Huston, F. W. Weckerly, and M. C. Green. 2013. Vascular Plant and Vertebrate Species Richness in National Parks of the Eastern United States. Natural Resource Technical Report NPS/NCR/NCRO/NRTR-2013/002. U.S. National Parks Service, Washington, D.C. vi, 50 pp. PDF

Reynolds, M. H., K. N. Courtot, C. M. Krause, N. E. Seavy, P. Hartzell, and J. S. Hatfield. 2013. Dynamics of seabird colonies vulnerable to sea-level rise at French Figate Shoals, Hawaii. Technical Report HCSU-037 . Hawaii Cooperative Studies Unit, University of Hawaii at Hilo, Hilo, Hawaii. iv, 32 pp. PDF

Reynolds, M. H., E. Weiser, I. Jamieson, and J. S. Hatfield. 2013. Demographic variation, reintroduction, and persistence of an island duck (Anas laysanensis). Journal of Wildlife Management 77(6):1094-1103. Abstract

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Roy McDiarmid

Email: rmcdiarmid@usgs.gov

Website: http://www.pwrc.usgs.gov/history/bsphist2.htm

Publications

Cardwell, M. D., S. W. Gotte, R. W. McDiarmid, N. Gilmore, and J. A. Poindexter, II. 2013. Type specimens of Crotalus scutulatus (Chordata: Reptilia: Squamata: Viperidae) re-examined, with new evidence after more than a century of confusion. Proceedings of the Biological Society of Washington 126(1):11-16. Abstract

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James Nichols

Email: jnichols@usgs.gov

Areas of Study

Development of Methods Associated with Animal Population Dynamics

Development of Patch Occupancy Models for Assessing the Spatial Distribution of Organisms

Estimation of Wind Farm Mortality for Golden Eagles

Inferences about Bat Populations: Mitigation Monitoring

Statistical Research at USGS - Amphibian Research and Monitoring Initiative

Publications

Fernandez-Chacón, A., C. Stefanescu, M. Genovart, J. D. Nichols, J. E. Hines, F. Paramo, M. Turco, and D. Oro. 2014. Determinants of extinction-colonization dynamics in Mediterranean butterflies: the role of landscape, climate and local habitat features. Journal of Animal Ecology 83(1):276-285. Abstract

Bailey, L. L., D. I. MacKenzie, and J. D. Nichols. 2013. Advances and applications of occupancy models. Methods in Ecology and Evolution Online Early September 4 Abstract

Cam, E., O. Gimenez, R. Alpizar-Jara, L. M. Aubry, M. Authier, E. G. Cooch, D. N. Koons, W. A. Link, J.-Y. Monnat, J. D. Nichols, J. J. Rotella, J. A. Royle, and R. Pradel. 2013. Looking for a needle in a haystack: Inference about individual fitness components in a heterogeneous population. Oikos 122(5):739-753. Abstract

Fernindez-Chacón, A., C. Stefanescu, M. Genovart, J. D. Nichols, J. E. Hines, F. Piramo, M. Turco, and D. Oro. 2013. Determinants of extinction-colonization dynamics in Mediterranean butterflies: the role of landscape, climate and local habitat features. Journal of Animal Ecology Online Early Aug 19 Abstract

Grant, E. H. C., E. F. Zipkin, J. D. Nichols, and J. P. Campbell. 2013. A strategy for monitoring and managing declines in an amphibian community. Conservation Biology Online Early Sep tember 3 Abstract

Johnson, F. A., R. M. Dorazio, T. D. Castellón, J. Martin, J. O. Garcia, and J. D. Nichols. 2013. Tailoring point counts for inference about avian density: Dealing with nondetection and availability. Natural Resource Modeling Online Early Oct 1 Abstract

Kendall, W. L., J. E. Hines, J. D. Nichols, and E. H. C. Grant. 2013. Relaxing the closure assumption in occupancy models: Staggered arrival and departure times. Ecology 94(3):610-617. Abstract

Miller, D. A. W., J. D. Nichols, J. A. Gude, L. N. Rich, K. M. Podruzny, J. E. Hines, and M. S. Mitchell. 2013. Determining occurrence dynamics when false positives occur: estimating the range dynamics of wolves from public survey data. PLoS ONE 8(6):e65808. Abstract

Nichols, J. D. and B. K. Williams. 2013. Adaptive management. Pages A. H. El-Shaarawi and Walter W. Piegorsch, editors. Encyclopedia of Environmetrics. Second edition. John Wiley & Sons, Ltd., Hoboken, NJ. Abstract

Nichols, J. M., K. P. Judd, C. C. Olson, J. R. Waterman, and J. D. Nichols . 2013. Estimating detection and identification probabilities in maritime target acquisition. Applied Optics 52(12):2531-2545. Abstract

Péron, G., J. E. Hines, J. D. Nichols, W. L. Kendall, K. A. Peters, and D. S. Mizrahi. 2013. Estimation of bird and bat mortality at wind-power farms with superpopulation models. Journal of Applied Ecology 50(4 ):902-911. Abstract

Rich, L. N., R. E. Russell, E. M. Glenn, M. S. Mitchell, J. A. Gude, K. M. Podruzny, C. A. Sime, K. Laudon, D. E. Ausband, and J. D. Nichols. 2013. Estimating occupancy and predicting numbers of gray wolf packs in Montana using hunter surveys. Journal of Wildlife Management 77(6 ):1280–1289. Abstract

Smith, D. R., C. P. Mcgowan, J. P. Daily, J. D. Nichols, J. A. Sweka, and J. E. Lyons. 2013. Evaluating a multispecies adaptive management framework: Must uncertainty impede effective decision-making? Journal of Applied Ecology online early August 27 Abstract

Wen, Z., J. D. Nichols, K. H. Pollock, and P. M. Waser. 2013. A robust design capture-recapture model with multiple age classes augmented with population assignment data. Environmental and Ecological Statistics online March 29 Abstract

Yackulic, C., R. Chandler, E. F. Zipkin, J. A. Royle, J. D. Nichols, E. H. C. Grant, and S. Veran. 2013. Presence-only modeling using MAXENT: when can we trust the inferences? Methods in Ecology and Evolution 4(3):236-243. Abstract

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Allan O’Connell

Email: aoconnell@usgs.gov

Estimation of Population Densities for the Florida Panther

Assessing Endangered Marsh Rabbit and Woodrat Habitat use and Predator Population Dynamic

Publications

Parsons, A. W., T. R. Simons, A. F. O'Connell, Jr., and M. K. Stoskopf. 2013. Demographics, diet, movements, and survival of an isolated, unmanaged raccoon Procyon lotor (Procyonidae, Carnivora) population on the Outer Banks of North Carolina. Mammalia 77(1):21-30. Abstract

Sollmann, R., B. Gardner, R. B. Chandler, D. B. Shindle, D. P. Onorato, J. A. Royle, and A. F. O'Connell. 2013. Using multiple data sources provides density estimates for endangered Florida panther. Journal of Applied Ecology. 50(4):961-968. Abstract

Sollmann, R., B. Gardner, A. W. Parsons, J. J. Stocking, B. T. McClintock, T. R. Simons, K. H. Pollock, and A. F. O'Connell. 2013. A spatial mark-resight model augmented with telemetry data. Ecology 94(3):553-559. Abstract

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J. Andy Royle

Email: aroyle@usgs.gov

Areas of Study

Estimation of Population Densities for the Florida Panther

Spatial Capture-Recapture Models to Estimate Abundance and Density of Animal Populations

Publications

Royle, J. A., R. B. Chandler, R. Sollmann, and B. Gardner. 2014. Spatial Capture-Recapture. Academic Press, Waltham, MA. xxix, 577 pp. Abstract

Boomer, G. S., G. S. Zimmerman, N. L. Zimpfer, P. R. Garrettson, M. D. Koneff, T. A. Sanders, K. D. Magruder, and J. A. Royle. 2013. Band reporting probabilities for mallards recovered in the United States and Canada. Journal of Wildlife Management 77(5):1059-1066. Abstract

Cam, E., O. Gimenez, R. Alpizar-Jara, L. M. Aubry, M. Authier, E. G. Cooch, D. N. Koons, W. A. Link, J.-Y. Monnat, J. D. Nichols, J. J. Rotella, J. A. Royle, and R. Pradel. 2013. Looking for a needle in a haystack: Inference about individual fitness components in a heterogeneous population. Oikos 122(5):739-753. Abstract

Chandler, R. B. and J. A. Royle. 2013. Spatially explicit models for inference about density in unmarked or partially marked populations. Annals of Applied Statistics 7(2):936-954. Abstract http://projecteuclid.org/euclid.aoas/1372338474

Converse, S. J., J. A. Royle, P. H. Adler, R. P. Urbanek, and J. A. Barzen. 2013. A hierarchical nest survival model integrating incomplete temporally varying covariates. Ecology and Evolution 3 (13):4439-4447. Abstract

Fiske, I. J., J. A. Royle, and K. Gross. 2013. Inference for finite-sample trajectories in dynamic multi-state site-occupancy models using hidden Markov model smoothing. Environmental and Ecological Statistics online early June 1 Abstract

Graves, T. A., P. Beier, and J. A. Royle. 2013. Current approaches using genetic distances produce poor estimates of landscape resistance to interindividual dispersal . Molecular Ecology 22(15):3888-3903. Abstract

Mattsson, B. J., E. F. Zipkin, B. Gardner, P. J. Blank, J. R. Sauer, and J. A. Royle. 2013. Explaining local-scale species distributions: Relative contributions of spatial autocorrelation and landscape heterogeneity for an avian assemblage. PLoS ONE 8(2):e55097. Abstract

Royle, J. A., R. B. Chandler, K. Gazenski, and T. A. Graves. 2013. Spatial capture-recapture models for jointly estimating population density and landscape connectivity. Ecology 94(2):287-294. Abstract

Royle, J. A., R. B. Chandler, C. C. Sun, and A. K. Fuller. 2013. Integrating resource selection information with spatial capture-recapture. Methods in Ecology and Evolution 4(6):520-530. Abstract

Sollmann, R., B. Gardner, R. B. Chandler, D. B. Shindle, D. P. Onorato, J. A. Royle, and A. F. O'Connell. 2013. Using multiple data sources provides density estimates for endangered Florida panther. Journal of Applied Ecology. 50(4):961-968. Abstract

Tenan, S., A. Rotger Vallespir, J. M. Igual, T. Moya, J. A. Royle, and G. Tavecchia. 2013. Population abundance, size structure and sex-ratio in an insular lizard. Ecological Modelling 267:39-47. Abstract

Yackulic, C., R. Chandler, E. F. Zipkin, J. A. Royle, J. D. Nichols, E. H. C. Grant, and S. Veran. 2013. Presence-only modeling using MAXENT: when can we trust the inferences? Methods in Ecology and Evolution 4(3):236-243. Abstract

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Michael Runge

Email: mrunge@usgs.gov

Areas of Study

Modeling, Estimation, and Adaptive Management of Golden and Bald Eagle Fatalities on Wind Facilities

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John Sauer

Email: jrsauer@usgs.gov

Website: http://www.pwrc.usgs.gov/bbs/

     http://www.stateofthebirds.org/

Areas of Study

Evaluation of Representativeness of Sampling of the North American Breeding Bird Survey

Publications

Mattsson, B. J., E. F. Zipkin, B. Gardner, P. J. Blank, J. R. Sauer, and J. A. Royle. 2013. Explaining local-scale species distributions: Relative contributions of spatial autocorrelation and landscape heterogeneity for an avian assemblage. PLoS ONE 8(2):e55097. Abstract

Millsap, B. A., G. S. Zimmerman, J. R. Sauer, R. M. Nielson, M. Otto, E. Bjerre, and R. Murphy. 2013. Golden eagle population trends in the western united states: 1968-2010. Journal of Wildlife Management 77(7):1436-1448. Abstract

Sauer, J. R., P. J. Blank, E. F. Zipkin, J. E. Fallon, and F. W. Fallon. 2013. Using multi-species occupancy models in structured decision making on managed lands. Journal of Wildlife Management 77(1):117-127. Abstract

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Last Updated: January 2014

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