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Jeffrey S. Hatfield

USGS Patuxent Wildlife Research Center
Gabrielson Bldg., Rm. 224
12100 Beech Forest Rd.
Laurel, MD 20708

Photo of Jeffrey S. Hatfield

Telephone: 301-497-5633

Fax: 301-497-5545

Email: jhatfield@usgs.gov

Ecologist (Research)

Primary Responsibilities: 
Ecologist (Research), Quantitative Methods Unit, 1988-Present.  
Duties include field and statistical research on U.S. wildlife and habitats, review of study plans and manuscripts, experimental design, statistical consulting with wildlife biologists, and data analysis. Current research consists of monitoring growth and survival of Hawaiian trees, monitoring regeneration and restoration of vegetation in Texas, and conducting a population viability analysis for golden-cheeked warblers in Texas.

Education/Training: 
B.A., Miami University, 1979, zoology and mathematics
M.S., Miami University, 1981, zoology
M.A.S., Ohio State University, 1982, applied statistics
Ph.D., Ohio State University, 1986, biostatistics

Areas of Expertise/Interest: population and community ecology; population viability analysis, design and analysis of wildlife studies

Accomplishments/Awards/Achievements:
Research grants from Earthwatch, 1990-91, and 1999-2000; Research grant from the National Geographic Society, 1996-99; USGS scientific achievement award, 1998; Service plaque from the U.S. Fish and Wildlife Service, 1999; Star award from the National Park Service, 2000; USGS scientific achievement award, 2005; USGS award for patent application, 2006.

Active Projects: 

Growth and survival of trees in Hawaiian montane rain forest

Vegetation monitoring at Balcones Canyonlands National Wildlife Refuge

Range-wide population viability analysis for the golden-cheeked warbler

Publications: 

Duarte, A., J.L.R. Jensen, J.S. Hatfield, and F.W. Weckerly. 2013. Spatiotemporal variation in range-wide golden-cheeked warbler breeding habitat. Ecosphere 4(12):1-12. PDF

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. Department of the Interior, National Park Service, Washington, D.C. vi, 50 pp. PDF

Krafft, C. C., J. S. Hatfield, and R. S. Hammerschlag. 2013. Effects of Canada goose herbivory on the tidal freshwater wetlands in Anacostia Park, 2009-2011. Natural Resource Technical Report, NPS/NCR/NCRO/NRTR- 2013/01. U.S. Department of the Interior, National Park Service, Washington, D.C. viii, 36 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. Full text.

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 77:1094-1103. Abstract

Hatfield, J. S., M. H. Reynolds, N. E. Seavy, and C. M. Krause. 2012. Population dynamics of Hawaiian seabird colonies vulnerable to sea-level rise. Conservation Biology 26(4):667-678. Abstract

Hatfield, J. S., F. W. Weckerly, and A. Duarte. 2012. Shifting foundations and metrics for golden-cheeked warbler recovery. Wildlife Society Bulletin 36(3):415-422. Abstract

Reynolds, M. H., J. S. Hatfield, L. P. Laniawe, M. S. Vekasy, J. L. Klavitter, P. Berkowitz, L. H. Crampton, and J. R. Walters. 2012. Influence of space use on fitness and the reintroduction success of the Laysan teal. Animal Conservation 15(3):305-317. Abstract

Krafft, C. C. and J. S. Hatfield. 2011. Impacts of deer herbivory on vegetation in Rock Creek Park, 2001-2009. Natural Resource Technical Report NPS/NCR/NCRO/NRTR2011/001. U.S. Department of the Interior, National Park Service, Washington, D.C. vi, 31 pp. PDF

Hatfield, J. S. and C. C. Krafft. 2010. Protocol for statistical analysis of vegetation changes at Catoctin Mountain Park. Natural Resource Report NPS/NCR/NCRO/NRTR2010/001 . U.S. Department of the Interior, National Park Service, Washington, D.C. iv, 8 pp. PDF

Krafft, C. C., J. S. Hatfield, and R. S. Hammerschlag. 2010. Tidal Freshwater Wetland Herbivory in Anacostia Park. Natural Resource Technical Report NPS/NCR/NCRO/NRTR2010/002. U.S. Department of the Interior, National Park Service, Washington, D.C. vii, 28 pp. PDF

McKernan, M. A., B. A. Rattner, J. S. Hatfield, R. C. Hale, and M. A. Ottinger. 2010. Absorption and biotransformation of polybrominated diphenyl ethers DE-71 and DE-79 in chicken (Gallus gallus), mallard (Anas platyrhynchos), American kestrel (Falco sparverius) and black-crowned night-heron (Nycticorax nycticorax) eggs. Chemosphere 79(1):100-109. Abstract

Reynolds, M. H., J. S. Hatfield, L. H. Crampton, M. S. Vekasy, and E. Tweed. 2010. Circadian habitat use, home range and behaviour of Laysan Teal Anas laysanensis. Wildfowl 60:106-123. Abstract

Hatfield, J. S. 2009. Gastropods as an animal model for studying autism and other behavioral phenotypes . Pages 51-63 in Alessia C. Giordano and Viola A. Lombardi, editors. Causes and risks for autism. Nova Biomedical Books, New York. xi, 108 pp. PDF book info   e-book info

Hatfield, J. S. and C. C. Krafft. 2009. Analysis of Vegetation Changes in Rock Creek Park, 1991-2007. Natural Resource Technical Report NPS/NCR/NCRO/NRTR--2009/001. United States Department of the Interior, National Park Service, Washington, D.C. iv, 14 pp. PDF

Seavy, N. E., M. H. Reynolds, W. A. Link, and J. S. Hatfield. 2009. Postcatastrophe population dynamics and density dependence of an endemic island duck. Journal of Wildlife Management 73(3):414-418. Abstract

Watson, C. A., F. W. Weckerly, J. S. Hatfield, C. C. Farquhar, and P. S. Williamson. 2008. Presence-nonpresence surveys of golden-cheeked warblers: detection, occupancy and survey effort. Animal Conservation 11(6):484-492. Abstract

Whiting, M. J., J. R. Dixon, B. D. Greene, J. M. Mueller, O. W. Thornton, Jr., J. S. Hatfield, J. D. Nichols, and J. E. Hines. 2008. Population dynamics of the Concho water snake in rivers and reservoirs. Copeia 2008(2):438-445. PDF

Hammerschlag, R. S., A. H. Baldwin, C. C. Krafft, K. P. Neff, M. M. Paul, K. D. Brittingham, K. Rusello, and J. S. Hatfield. 2006. Final Report: Five years of monitoring reconstructed freshwater tidal wetlands in the urban Anacostia River (2000-2004). . [USGS Patuxent Wildlife Research Center], [Laurel, Maryland]. 101 pp. PDF

Hatfield, J. S. 2006. The genetic basis of hair whorl, handedness, and other phenotypes. Medical Hypotheses 66(4):708-714. PDF Abstract

Kreger, M. D., J. S. Hatfield, I. Estevez, G. F. Gee, and D. A. Clugston. 2006. Behavioral profiles of the captive juvenile whooping crane as an indicator of post-release survival. Zoo Biology 25(1):11-24. Abstract

Carpenter, J. W., M. N. Novilla, and J. S. Hatfield. 2005. Efficacy of selected coccidiostats in sandhill cranes (Grus canadensis) following challenge. Journal of Zoo and Wildlife Medicine 36(3):391-400. Abstract

Hahn, D. C., J. S. Hatfield, M. A. Abdelnabi, J. M. Wu, L. D. Igl, and M. A. Ottinger. 2005. Inter-species variation in yolk steroid levels and a cowbird-host comparison. Journal of Avian Biology 36(1):40-46. Abstract

Kreger, M. D., J. S. Hatfield, I. Estevez, G. F. Gee, and D. A. Clugston. 2005. The effects of captive rearing on the behavior of newly-released whooping cranes (Grus americana). Applied Animal Behaviour Science 93(1-2):165-178. Abstract

Olsen, G. H., E. Kolski, J. S. Hatfield, and D. E. Docherty. 2005. Whooping crane titers to eastern equine encephalitis vaccinations. Pages 21-23 in Felipe Chavez-Ramirez, editor. Proceedings of the Ninth North American Crane Workshop: 17-20 January 2003, Sacramento, California. North American Crane Working Group, Baraboo, Wisconsin. xi, 257 pp. whole workshop

Shealer, D. A., J. A. Spendelow, J. S. Hatfield, and I. C. T. Nisbet. 2005. The adaptive significance of stealing in a marine bird and its relationship to parental quality. Behavioral Ecology 16(2):371-376. Abstract

Akçakaya, H. R., M. A. Burgman, O. Kindvall, C. C. Wood, P. Sjögren-Gulve, J. S. Hatfield, and M. A. McCarthy. 2004. Species Conservation and Management: Case Studies. Oxford University Press, New York. xv, 533 pp.

Alldredge, M. W., J. S. Hatfield, D. D. Diamond, and C. D. True. 2004. Golden-cheeked Warbler (Dendroica chrysoparia) in Central Texas: importance of dispersal toward persistence in a metapopulation. Pages 371-383 in H. Resit Akçakaya, Mark A. Burgman, Oskar Kindvall, Chris C. Wood, Per Sjögren-Gulve, Jeff S. Hatfield, and Michael A. McCarthy. Species Conservation and Management: Case Studies. Oxford University Press, New York. xv, 533 pp.

Hatfield, J. S. 2004. Modeling birds: an overview. Pages 357-360 in H. Resit Akçakaya, Mark A. Burgman, Oskar Kindvall, Chris C. Wood, Per Sjögren-Gulve, Jeff S. Hatfield, and Michael A. McCarthy. Species Conservation and Management: Case Studies. Oxford University Press, New York. xv, 533 pp.

Hatfield, J. S., A. H. Price, D. D. Diamond, and C. D. True. 2004. Houston toad (Bufo houstonensis) in Bastrop County, Texas: need for protecting multiple subpopulations. Pages 292-298 in H. Resit Akçakaya, Mark A. Burgman, Oskar Kindvall, Chris C. Wood, Per Sjögren-Gulve, Jeff S. Hatfield, and Michael A. McCarthy. Species Conservation and Management: Case Studies. Oxford University Press, New York. xv, 533 pp.

Kreger, M. D., I. Estevez, J. S. Hatfield, and G. F. Gee. 2004. Effects of rearing treatment on the behavior of captive whooping cranes (Grus americana). Applied Animal Behaviour Science 89(3-4):243-261. Abstract

O'Connell, A. F., Jr., A. T. Gilbert, and J. S. Hatfield. 2004. Contribution of natural history collection data to biodiversity assessment in national parks. Conservation Biology 18(5):1254-1261. Abstract

Rattner, B. A., P. C. McGowan, N. H. Golden, J. S. Hatfield, P. C. Toschik, R. F. Lukei, Jr., R. C. Hale, I. Schmitz-Afonso, and C. P. Rice. 2004. Contaminant exposure and reproductive success of Ospreys (Pandion haliaetus) nesting in Chesapeake Bay regions of concern. Archives of Environmental Contamination and Toxicology 47(1):126-140. Abstract

Kery, M. and J. S. Hatfield. 2003. Normality of raw data in general linear models: The most widespread myth in statistics. Bulletin of the Ecological Society of America 84(2):92-94. Abstract

Link, W. A., J. A. Royle, and J. S. Hatfield. 2003. Demographic analysis from summaries of an age-structured population. Biometrics 59(4):778. Abstract

Hunter, S. A., M. S. Bay, M. L. Martin, and J. S. Hatfield. 2002. Behavioral effects of environmental enrichment on harbor seals (Phoca vitulina concolor) and gray seals (Hafichoerus grypus). Zoo Biology 21:375-387. Abstract

Simon, J. C., T. K. Pratt, K. E. Berlin, J. R. Kowalsky, S. G. Fancy, and J. S. Hatfield. 2002. Temporal variation in bird counts within a Hawaiian rainforest. Condor 104(3):469-481. Abstract

Berlin, K. E., J. C. Simon, T. K. Pratt, J. R. Kowalsky, and J. S. Hatfield. 2001. `Akohekohe response to flower availability: seasonal abundance, foraging, breeding, and molt. Pages 202-212 in J. M. Scott, S. Conant, and C. van Riper, III, editors. Evolution, ecology, conservation, and management of Hawaiian birds: a vanishing avifauna. Studies in Avian Biology 22. 428 pp. PDF large file, 36 MB

Gee, G. F., J. M. Nicolich, S. A. Nesbitt, J. S. Hatfield, D. H. Ellis, and G. H. Olsen. 2001. Water conditioning and whooping crane survival after release in Florida. Pages 160-165 in David H. Ellis, editor and Catherine H. Ellis, technical editor. Proceedings of the Eighth North American Crane Workshop. North American Crane Working Group, Seattle, Washington. ix, 226 pp. link to whole workshop

Hatfield, J. S., P. F. P. Henry, G. H. Olsen, M. M. Paul, and R. S. Hammerschlag. 2001. Failure of tetracycline as a biomarker in batch-marking juvenile frogs. Journal of Wildlife Diseases 37(2):318-323. Abstract

Rattner, B. A., P. C. McGowan, J. S. Hatfield, C.-S. Hong, and S. G. Chu. 2001. Organochlorine contaminant exposure and reproductive success of Black-Crowned Night Herons (Nycticorax nycticorax) nesting in Baltimore Harbor, Maryland. Archives of Environmental Contamination and Toxicology 41(1):73-82. Abstract

Beardmore, C. J. and J. S. Hatfield. 2000. Population and habitat viability assessments for Golden-cheeked Warblers and Black-capped Vireos: Usefulness to Partners in Flight Conservation Planning. Pages 60-62 in Rick Bonney, David N. Pashley, Robert Cooper, and Larry Niles, editors. Strategies for Bird Conservation: The Partners in Flight Planning Process. Proceedings of the 3rd Partners in Flight Workshop, Cape May, New Jersey, October 1-5, 1995. RMRS-P-16. U.S. Forest Service, Rocky Mountain Research Station, Ogden, UT. 281 pp. Abstract link to whole workshop

Berlin, K. E., T. K. Pratt, J. C. Simon, J. R. Kowalsky, and J. S. Hatfield. 2000. Plant phenology in a cloud forest on the island of Maui, Hawaii. Biotropica 32(1):90-99. Abstract JSTOR ; abstract BioOne

Ellis, D. H., G. F. Gee, S. G. Hereford, G. H. Olsen, T. D. Chisolm, J. M. Nicolich, K. A. Sullivan, N. J. Thomas, M. Nagendran, and J. S. Hatfield. 2000. Post-release survival of hand-reared and parent-reared Mississippi Sandhill Cranes. Condor 102(1):104-112. PDF

Hahn, D. C. and J. S. Hatfield. 2000. Host selection in the forest interior: cowbirds target ground-nesting species. Pages 120-127 in James N. M. Smith, Terry L. Cook, Stephen I. Rothstein, Scott K. Robinson, and Spencer G. Sealy. Ecology and Management of Cowbirds and their Hosts: Studies in the Conservation of North American Passerine Birds. University of Texas Press, Austin, TX. ix, 388 pp. book info

Hatfield, J. S. 2000. [Book review] Conservation Biology with RAMAS® EcoLab by Susan M. Shultz, Amy E. Dunham, Karen V. Root, Sheryl L. Soucy, Steven D. Carroll, and Lev R. Ginzburg. Sunderland (Massachusetts): Sinauer Associates... 1999. Quarterly Review of Biology 75(4):480. PDF

Erwin, R. M., T. B. Eyler, D. B. Stotts, and J. S. Hatfield. 1999. Aspects of chick growth in Gull-billed Terns in coastal Virginia. Waterbirds 22(1):47-53. Abstract

Eyler, T. B., R. M. Erwin, D. B. Stotts, and J. S. Hatfield. 1999. Aspects of hatching success and chick survival in Gull-billed Terns in coastal Virginia. Waterbirds 22(1):54-59. Abstract

Nisbet, I. C. T., J. S. Hatfield, W. A. Link, and J. A. Spendelow. 1999. Predicting chick survival and productivity of Roseate Terns from data on early growth. Waterbirds 22(1):90-97. Abstract

Sykes, P. W., Jr., C. B. Kepler, K. L. Litzenberger, H. R. Sansing, E. T. R. Lewis, and J. S. Hatfield. 1999. Density and habitat of breeding Swallow-tailed Kites in the lower Suwannee ecosystem, Florida. Journal of Field Ornithology 70(3):321-336. PDF

Erwin, R. M., T. B. Eyler, J. S. Hatfield, and S. McGary. 1998. Diets of nestling gull-billed terns in coastal Virginia. Colonial Waterbirds 21(3):323-327. Abstract

Nisbet, I. C. T., J. A. Spendelow, J. S. Hatfield, J. M. Zingo, and G. A. Gough. 1998. Variations in growth of roseate tern (Sterna dougallii) chicks: II. Early growth as an index of parental quality. Condor 100(2):305-315. PDF

Hatfield, J. S. and P. L. Chesson. 1997. Multispecies lottery competition: a diffusion analysis. Pages 615-622 in S. Tuljapurkar and H. Caswell, editors. Structured-Population Models in Marine, Terrestrial, and Freshwater Systems. Chapman & Hall, New York, NY. xii, 643 pp. book info

Niethammer, K. R., G. H. Balazs, J. S. Hatfield, G. L. Nakai, and J. L. Megyesi. 1997. Reproductive biology of the green turtle (Chelonia mydas) at Tern Island, French Frigate Shoals, Hawai`i. Pacific Science 51(1):36-47. abstract

Nisbet, I. C. T., J. A. Spendelow, J. S. Hatfield, G. Gough, and J. M. Zingo. 1997. Early growth of roseate terns chicks as an index of parental quality. Pages 22 in L. R. Monteiro, editor. Proceedings of the Seventh Roseate Tern Workshop held in Horta, Azores, Portugal, 26-27 April 1997. 46 pp.

Spendelow, J. A., J. M. Zingo, and J. S. Hatfield. 1997. Reproductive strategies for coping with poor conditions: responses of roseate terns to low food availability during the egg-laying period at Falkner Island, Connecticut. Pages 34-36 in L. R. Monteiro, editor. Proceedings of the Seventh Roseate Tern Workshop held in Horta, Azores, Portugal, 26-27 April 1997. 46 pp.

Beardmore, C., J. S. Hatfield, and J. Lewis, editors. 1996. Black-capped vireo population and habitat viability assessment. Report of a workshop arranged by the U. S. Fish and Wildlife Service, Austin, Texas, September 18-21, 1995, in partial fulfillment of U.S. National Biological Service Grant No. 80333-1423 . ix, 59 pp. PDF

Beardmore, C., J. S. Hatfield, and J. Lewis, editors. 1996. Golden-cheeked warbler population and habitat viability assessment. Report of a workshop arranged by the U.S. Fish and Wildlife Service, Austin, Texas, August 21-24, 1995, in partial fulfillment of U.S. National Biological Service Grant No. 80333-1423. U.S. Fish and Wildlife Service, Washington, D.C. xii, 48 pp. PDF

Erwin, R. M., J. G. Haig, D. B. Stotts, and J. S. Hatfield. 1996. Dispersal and habitat use by post-fledging juvenile snowy egrets and black-crowned night-herons. Wilson Bulletin 108(2):342-356. PDF

Erwin, R. M., J. G. Haig, D. B. Stotts, and J. S. Hatfield. 1996. Reproductive success, growth and survival of black-crowned night-heron (Nycticorax nycticorax) and snowy egret (Egretta thula) chicks in coastal Virginia. Auk 113(1):119-130. PDF

Hatfield, J. S., W. R. Gould, IV, B. A. Hoover, M. R. Fuller, and E. L. Lindquist. 1996. Detecting trends in raptor counts: power and type I error rates of various statistical tests. Wildlife Society Bulletin 24(3):505-515. Abstract

Hatfield, J. S., W. A. Link, D. K. Dawson, and E. L. Lindquist. 1996. Coexistence and community structure of tropical trees in a Hawaiian montane rain forest. Biotropica 28(4B):746-758. Abstract

White, D. H., C. B. Kepler, J. S. Hatfield, P. W. Sykes, Jr., and J. T. Seginak. 1996. Habitat associations of birds in the Georgia piedmont during winter. Journal of Field Ornithology 67(1):159-166. PDF

Erwin, R. M., J. S. Hatfield, and T. J. Wilmers. 1995. The value and vulnerability of small estuarine islands for conserving metapopulations of breeding waterbirds. Biological Conservation 71(2):187-191. Abstract

Fuller, M. R., J. S. Hatfield, and E. L. Lindquist. 1995. Assessing ground-based counts of nestling bald eagles in northeastern Minnesota . Wildlife Society Bulletin 23(2):169-174. Abstract

Gee, G. F., J. Hatfield, and P. J. Howey. 1995. Remote monitoring of parental incubation conditions in the greater sandhill crane. Zoo Biology 14(2):159-172. Abstract

Hahn, D. C. and J. S. Hatfield. 1995. Parasitism at the landscape scale: Cowbirds prefer forests. Conservation Biology 9(6):1415-1424. Abstract

Nisbet, I. C. T., J. A. Spendelow, and J. S. Hatfield. 1995. Variations in growth of roseate tern chicks. Condor 97(2):335-344. PDF

Augspurger, T. P., R. L. Herman, J. T. Tanacredi, and J. S. Hatfield. 1994. Liver lesions in winter flounder (Pseudopleuronectes americanus) from Jamaica Bay, New York: Indications of environmental degradation. Estuaries 17(1B):172-180. Abstract

Erwin, R. M., J. S. Hatfield, M. A. Howe, and S. K. Klugman. 1994. Waterbird use of saltmarsh ponds created for open marsh water management. Journal of Wildlife Management 58(3):516-524. Abstract

Hatfield, J. S., S. A. Ricciardi, G. A. Gough, D. Bystrak, S. Droege, and C. S. Robbins. 1994. Distribution and abundance of birds wintering in Maryland, 1988-1993. Maryland Birdlife 50(1-4): 3-83.

Rattner, B. A., J. S. Hatfield, M. J. Melancon, T. W. Custer, and D. E. Tillitt. 1994. Relation among cytochrome P450, AH-active PCB congeners and dioxin equivalents in pipping black-crowned night-heron embryos. Environmental Toxicology and Chemistry 13(11):1805-1812. Abstract

Keller, C. M. E., C. S. Robbins, and J. S. Hatfield. 1993. Avian communities in riparian forests of different widths in Maryland and Delaware. Wetlands 13(2):137-144. Abstract

Carpenter, J. W., M. N. Novilla, and J. S. Hatfield. 1992. The safety and physiologic effects of the anticoccidial drugs monensin and clazuril in sandhill cranes (Grus canadensis). Journal of Zoo and Wildlife Medicine 23(2):214-221. Abstract

Kepler, A. K., C. B. Kepler, D. H. Ellis, and J. S. Hatfield. 1992. Observations of seabirds along a 14,892-km cruise track in the tropical Pacific Ocean and the Bohol, Sulu, and South China Seas. Pages 225-247 in John F. Turner, Harold J. O'Connor, Yuriy A. Izrael, Alla V. Tsyban, and P. A. Nagel, editor. Results of the First Joint US-USSR Central Pacific Expedition (BERPAC), Autumn 1988. U.S. Fish and Wildlife Service, Washington, DC. xiv, 264 pp. PDF

Erwin, R. M., J. S. Hatfield, and W. A. Link. 1991. Social foraging and feeding environment of the black-crowned night heron in an industrialized estuary. Bird Behaviour 9(1-2):94-102. Abstract

Henny, C. J., L. J. Blus, D. J. Hoffman, R. A. Grove, and J. S. Hatfield. 1991. Lead accumulation and osprey production near a mining site on the Coeur d'Alene River, Idaho. Archives of Environmental Contamination and Toxicology 21(3):415-424. Abstract

Link, W. A. and J. S. Hatfield. 1990. Power calculations and model selection for trend analysis: A comment. Ecology 71(3):1217-1220. Abstract

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