Cooperative Research Units
Education, Research And Technical Assistance For Managing Our Natural Resources
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Dan Magoulick

Research Publications

  • Middaugh, C.R. and D.D. Magoulick. 2018. Forecasting effects of angler harvest and climate change on smallmouth bass abundance at the southern edge of their range. PLoS ONE 13(8) DOI:e0202737. pone.0202737
  • Lynch, D.T., D.R. Leasure and D.D. Magoulick. 2018. The influence of drought on flow-ecology relationships in Ozark Highland streams. Freshwater Biology 63:946–968. DOI:10.1111/fwb.13089
  • Yarra, A.N. and D.D. Magoulick. 2018. Stream permanence is related to crayfish occupancy and abundance in the Ozark Highlands, USA. Freshwater Science 37:54–63. DOI:10.1086/696020
  • Middaugh, C.R., B. Kessinger and D.D. Magoulick. 2018. Climate-induced seasonal changes in smallmouth bass growth rate potential at the southern range extent. Ecology of Freshwater Fish 27:19-29. DOI:10.1111/eff.12320
  • Magoulick, D.D., R.J. DiStefano, E.M. Imhoff, M.S. Nolen and B.K. Wagner. 2017. Landscape- and local-scale habitat influences on occupancy and detection probability of stream-dwelling crayfish: implications for conservation. Hydrobiologia 799:217-231. DOI:10.1007/s10750-017-3215-2
  • DiStefano, R.J., C.A. Flinders, E.M. Imhoff and D.D. Magoulick. 2017. Conservation of imperiled crayfish – Faxonius (Crockerinus) marchandi Hobbs, 1948 (Decapoda: Cambaridae). Journal of Crustacean Biology 38:1-6. DOI:10.1093/jcbiol/rux075
  • Bruckerhoff, L.A. and D.D. Magoulick. 2017. Hydrologic regimes as potential drivers of morphologic divergence in fish. Evolutionary Ecology 31:517-531. DOI:10.1007/s10682-017-9897-0
  • Flinders, J.A. and D.D. Magoulick. 2017. Spatial and temporal consumption dynamics of trout in Arkansas tailwaters catch-and-release areas. Transactions of the American Fisheries Society 146:432-449. DOI:10.1080/00028487.2017.1281169
  • Lynch, D.T. and D.D. Magoulick. 2016. Effects of pulse and press drying disturbance on benthic stream communities. Freshwater Science 35:998-1009. DOI:10.1086/687843
  • Magoulick, D.D. and G.L. Piercey. 2016. Trophic overlap between native and invasive stream crayfish. Hydrobiologia 766:237-246. DOI: 10.1007/s10750-015-2457-0
  • Leasure, D.R., D.D. Magoulick and S. D. Longing. 2016. Natural flow regimes of the Ozark-Ouachita Interior Highlands region. River Research and Applications 32:18-35. DOI:10.1002/rra.2838
  • Ludlam, J.P., B.T. Banks and D.D. Magoulick. 2015. Density-dependent effects of omnivorous stream crayfish on benthic trophic dynamics. Freshwater Crayfish 21:165-170.
  • Magoulick, D.D. and D.T. Lynch. 2015. Occupancy and abundance modeling of the endangered yellowcheek darter in Arkansas. Copeia 103:433-439. DOI:10.1643/CE-14-116
  • Magoulick, D.D. 2014. Impacts of drought and crayfish invasion on stream ecosystem structure and function. River Research and Applications 30:1309-1317. DOI: 10.1002/rra.2747
  • Nolen, M.S., D.D. Magoulick, R.J. DiStefano, E.M. Imhoff and B.K. Wagner. 2014. Predicting probability of occurrence and factors affecting distribution and abundance of three Ozark endemic crayfish species at multiple spatial scales. Freshwater Biology 59:2374-2389. DOI:10.1111/fwb.12442
  • Dekar, M.P. and D.D. Magoulick. 2013. Effects of predators on fish and crayfish survival in intermittent streams. Southeastern Naturalist 12:197–208
  • Westhoff, J.T., R.J. DiStefano and D.D. Magoulick. 2012. Do environmental changes or juvenile competition act as mechanisms of species displacement in crayfishes? Hydrobiologia
  • Hodges, S.W. and D.D. Magoulick. 2011. Refuge habitats for fishes during seasonal drying in an intermittent stream: movement, survival and abundance of three minnow species. Aquatic Sciences 73:513-522.
  • Larson, E.R. and D.D. Magoulick. 2011. Life history notes on Cambarus hubbsi (Hubbs Crayfish) from the South Fork Spring River, Arkansas. Southeastern Naturalist 10:121-132.
  • Dekar, M.P., D.D. Magoulick and J. Beringer. 2010. Bioenergetics assessment of fish and crayfish consumption by otter (Lontra canadensis): integrating prey availability, diet, and field metabolic rate. Canadian Journal of Fisheries and Aquatic Sciences 67:1439-1448.
  • Ludlam, J.P. and D.D. Magoulick. 2010. Effects of consumer identity and disturbance on stream mesocosm structure and function. Fundamental and Applied Limnology 177:143-149.
  • Ludlam, J.P. and D.D. Magoulick. 2010. Environmental conditions and biotic interactions influence ecosystem structure and function in a drying stream. Hydrobiologia 644:127-137.
  • Dekar, M.P., D.D. Magoulick and G.R. Huxel. 2009. Shifts in the trophic base of intermittent stream food webs. Hydrobiologia 635:263-277.
  • Larson, E.R., D.D. Magoulick, C. Turner and K.H. Laycock. 2009. Disturbance and species displacement: different tolerances to stream drying and dessication between a native and invasive crayfish. Freshwater Biology 54:1899-1908.
  • DiStefano, R.J., D.D. Magoulick, E.M. Imhoff, and E.R. Larson. 2009. Imperiled crayfishes use hyporheic zone during seasonal drying of an intermittent stream. Journal of the North American Benthological Society 28:142-152.
  • Larson, E.R. and D.D. Magoulick. 2009. Does juvenile competition explain displacement of a native crayfish by an introduced crayfish? Biological Invasions 11:725-735.
  • Ludlam, J.P. and D.D. Magoulick. 2009. Effects of fish and crayfish on benthic communities during stream drying: Importance of spatial and temporal variation. Journal of the North American Benthological Society 28:371-382.
  • Larson, E.R. and D.D. Magoulick. 2008. Comparative life history of native (Orconectes eupunctus) and introduced (Orconectes neglectus) crayfishes in the Spring River drainage of Arkansas and Missouri. American Midland Naturalist 160:323-341.
  • Larson, E. R., R. J. Distefano, D. D. Magoulick, and J. Westhoff. 2008. Efficiency of quadrat sampling for riffle-dwelling crayfish. North American Journal of Fisheries Management 28:1036-1043.
  • Scott, M. K., and D. D. Magoulick. 2008. Swimming performance of five warmwater stream fish species. Transactions of the American Fisheries Society 137:209-215.
  • Flinders, C. A., and D. D. Magoulick. 2007. Effects of depth and crayfish size on predation risk and foraging profitability of a lotic crayfish. Journal of the North American Benthological Society 26:767-778.
  • Dekar, M. P., and D. D. Magoulick. 2007. Factors affecting fish assemblage structure during seasonal stream drying. Ecology of Freshwater Fish 16:335-342.
  • Flinders, C. A., and D. D. Magoulick. 2007. Habitat use and selection within Ozark lotic crayfish assemblages: spatial and temporal variation. Journal of Crustacean Biology 27:242-254.
  • Magoulick, D. D., and R. J. Distefano. 2007. Invasive crayfish Orconectes neglectus threatens native crayfishes in the Spring River drainage of Arkansas and Missouri. Southeastern Naturalist 6:141-150.
  • Rabalais, M. R., and D. D. Magoulick. 2006. Is Competition with the Invasive Crayfish Orconectes neglectus chaenodactylus Responsible for the Displacement of the Native Crayfish Orconectes eupunctus? Biological Invasions 8:1039-1048.
  • Rabalais, M. R., and D. D. Magoulick. 2006. Influence of an Invasive Crayfish Species on Diurnal Habitat Use and Selection by a Native Crayfish Species in an Ozark Stream. American Midland Naturalist 155:295-306.
  • Flinders, C. A., and D. D. Magoulick. 2005. Distribution, habitat use, and life history of crayfish in the Spring River drainage of Arkansas and Missouri with a focus on the imperiled Mammoth Spring crayfish (Orconectes marchandi). American Midland Naturalist 154:358-374.
  • Magoulick, D. D. 2004. Effects of predation risk on habitat selection by water column fish, benthic fish and crayfish in stream pools. Hydrobiologia 527:209-221.
  • Magoulick, D. D., and R. M. Kobza. 2003. The role of refugia for fishes during drought: a review and synthesis. Freshwater Biology 48:1186-1198.
  • Flinders, C. A., and D. D. Magoulick. 2003. Effects of stream permanence on crayfish community structure. American Midland Naturalist 149:134-147.
  • Magoulick, D. D., and L. C. Lewis. 2002. Predation on exotic zebra mussels by native fishes: effects on predator and prey. Freshwater Biology 47:1908-1918.
  • Magoulick, D. D. 2000. Spatial and temporal variation in fish assemblages of drying stream pools: The role of abiotic and biotic factors. Aquatic Ecology 34:29-41.

Current Staff

Federal Staff: 2

Masters Students: 1

Phd Students: 4

Post Docs: 1

University Staff: 1

5 Year Summary

Students graduated: 17

Scientific Publications: 30

Presentations: 58


Contact Us

Arkansas Cooperative Fish and Wildlife Research Unit Fayetteville, AR 72701-1201 Phone: (479) 575 - 6709 Fax: (479) 575 - 3330

Unit Leader

David Krementz
David Krementz 2016

David joined the Arkansas Cooperative Fish and Wildlife Research Unit in 1999, where he is the Unit Leader and Affiliate Research Professor in the Department of Biological Sciences.

Arkansas Cooperative Fish and Wildlife Research Unit Cooperators

  1. Arkansas Game and Fish Commission
  2. U.S. Fish and Wildlife Service
  3. U.S. Geological Survey
  4. University of Arkansas
  5. Wildlife Management Institute