Food Webs and Nutrient Cycling in Large Rivers

Thorp, J.H and M.D. Delong. 2002. Dominance of autochthonous autotrophic carbon in food webs of heterotrophic rivers? Oikos 96(3):543-550.
Thorp and Delong 2002 Oikos

Delong, M.D., J.H. Thorp, K.S. Greenwood, and M.C. Miller. 2001. Responses of consumers and food resources to a high magnitude, unpredicted flood in the upper Mississippi River basin. Regulated Rivers: Research and Management 17(3):217-232.
Delong, Thorp et al 2001

Thorp, J.H, M.D. Delong, K.S., Greenwood, and A.F. Casper. 1998. Isotopic analysis of three food web theories in constricted and floodplain regions of a large river. Oecologia 117:551-563. 

Wehr, J.D., S.P. Lonergan, and J.H. Thorp. 1997. Concentrations and controls of dissolved organic matter in a constricted-channel region of the Ohio River. Biogeochemistry 38:41-65.

Thorp, J. H. and M. D. Delong. 1994. The riverine productivity model: an heuristic view of carbon sources and organic processing in large river ecosystems. Oikos 70(2):305-308.
 
 

Field Experiments on the Role of Biological Interactions
[See also publications in fish ecology. I have also included here two older papers that I particularly like.] 

Thorp, J.H and A.F. Casper. 2002. Potential effects on zooplankton from species shifts in mussel planktivory: a field experiment in the St. Lawrence River. Freshwater Biology 47:107-119. 
 Thorp and Casper 2002

Jack, J.D. and J.H. Thorp. 2000. Effects of the benthic suspension feeder Dreissena polymorpha on zooplankton in a large river. Freshwater Biology 44:569-579. 
 Jack and Thorp 2000

Thorp, J.H., M.D. Delong, and A.F. Casper. 1998. In situ experiments on predatory regulation of a bivalve mollusc (Dreissena polymorpha) in the Mississippi and Ohio Rivers. Freshwater Biology 39:649-661. 

Thorp, J. H. 1986. Two distinct roles for predators in freshwater assemblages. Oikos 47(1): 75-82. 

Thorp, J. H. and E. A. Bergey. 1981. Field experiments on responses of a freshwater, benthic macroinvertebrate community to vertebrate predators. Ecology 62(2): 365-375. 
 
 

Freshwater Invertebrate Ecology 
[My recent publications have involved molluscs and zooplankton, but most of my older research
(and probably most of my future invertebrate ecology research) dealt with benthic insects and crustaceans.]

Thorp, J.H., J.E. Alexander, Jr., and G. A. Cobbs. 2002. Coping with warmer, large rivers: a field experiment on potential range expansion of northern quagga mussels (Dreissena bugensis). Freshwater Biology, 47(9):1779-1790.
 Thorp, Alexander and Cobbs 2002

Greenwood, K.S. and J.H. Thorp. 2001. Aspects of ecology and conservation of sympatric, prosobranch snails in a large river. Hydrobiologia 455:229-236.
 Thorp 2001 Hydrobiologia

Brown, K.M., J.E. Alexander, and J.H. Thorp. 1998. Differences in the ecology and distribution of lotic pulmonate and prosobranch gastropods. American Malacological Bulletin 14(2): 91-101. 

Summers, R.B., M.D. Delong, and J.H. Thorp. 1997. Ontogenetic and temporal shifts in the diet of the amphipod Gammarus fasciatus in the Ohio River. Amer. Midl. Nat. 137(2): 

Thorp, J. H., A. R. Black, K. H. Haag, and J. D. Wehr. 1994. Zooplankton assemblages in the Ohio River: seasonal, tributary, and navigation dam effects. Can. J. Fish. Aquat. Sci. 51:1634-1643. 
 
 

Fish Ecology

Thorp, J. H. and A.F. Casper. 2003. Importance of biotic interactions in large rivers: an experiment with planktivorous fish, dreissenid mussels, and zooplankton in the St. Lawrence. River Research and Applications, 19:265-279.
 Thorp and Casper 2003 

Jack, J.D. and J.H. Thorp. 2002. Impacts of fish predation on an Ohio River zooplankton community. Journal of Plankton Research 24(2):119-127. 
 Jack and Thorp 2002

Kessler, R. K. and J.H. Thorp. 1993. Microhabitat segregation of the threatened spotted darter (Etheostoma maculatum) and closely related orangefin darter (E. bellum). Can. J. Fish. Aquat. Sci. 50(5):1084-1091. 

Thorp, J. H., L. D. Goldsmith, J. A. Polgreen, and L. M. Mayer. 1989. Foraging patterns of nesting and non-nesting sunfish (Centrarchidae: Lepomis auritus and L. gibbosus). Can. J. Fish. Aquatic Sci. 46:1342-1346. 

Thorp, J. H. 1988. Patches and the responses of lake benthos to sunfish nest-building. Oecologia 76(2):168-174. 
 
 

Complete Publication List of Dr. James H. Thorp
Research Publications Accepted or Published in Refereed Scientific Journals:

Thorp, J. H. and A.F. Casper. 2003. Importance of biotic interactions in large rivers: an experiment with planktivorous fish, dreissenid mussels, and zooplankton in the St. Lawrence. River Research and Applications, 19:265-279.

Thorp, J. H., J.E. Alexander, Jr., and G. A. Cobbs. 2003. Coping with warmer, large rivers: a field experiment on potential range expansion of northern quagga mussels (Dreissena bugensis). Freshwater Biology, 47(9):1779-1790.

Thorp, J. H. and M.D. Delong. 2002. Dominance of autochthonous autotrophic carbon in food webs of heterotrophic rivers? Oikos 96(3):543-550. 

Jack, J.D. and J.H. Thorp. 2002. Impacts of fish predation on an Ohio River zooplankton community. Journal of Plankton Research 24(2):119-127. 

Thorp, J. H. and A.F. Casper. 2002. Potential effects on zooplankton from species shifts in mussel planktivory: a field experiment in the St. Lawrence River. Freshwater Biology 47:107-119.

Greenwood, K.S. and J.H. Thorp. 2001. Aspects of ecology and conservation of sympatric, prosobranch snails in a large river. Hydrobiologia 455:229-236. 

Delong, M.D., J.H. Thorp, K.S. Greenwood, and M.C. Miller. 2001. Responses of consumers and food resources to a high magnitude, unpredicted flood in the upper Mississippi River basin. Regulated Rivers: Research and Management 17(3):217-232.

Greenwood, K.S., J.H. Thorp, R.B. Summers, and D.L. Guelda. 2001. Effects of an exotic bivalve mollusc on benthic invertebrates and food quality in the Ohio River. Hydrobiologia 462:169-172.

Bukaveckas, P.A., E. Jourdain, R. Koch, and J.H. Thorp. 2000. Longitudinal gradients in nutrients and phytoplankton in the Ohio River. Verh. Internat. Verein. Limnol. 27:3107-3110. 

Jack, J.D. and J.H. Thorp. 2000. Effects of the benthic suspension feeder Dreissena polymorpha on zooplankton in a large river. Freshwater Biology 44:569-579. 

Thorp, J. H., M.D. Delong, K.S., Greenwood, and A.F. Casper. 1998. Isotopic analysis of three food web theories in constricted and floodplain regions of a large river. Oecologia 117:551-563.

Brown, K.M., J.E. Alexander, and J.H. Thorp. 1998. Differences in the ecology and distribution of lotic pulmonate and prosobranch gastropods. American Malacological Bulletin 14(2): 91-101.

Thorp, J. H., M.D. Delong, and A.F. Casper. 1998. In situ experiments on predatory regulation of a bivalve mollusc (Dreissena polymorpha) in the Mississippi and Ohio Rivers. Freshwater Biology 39:649-661. 

Thorp, J. H., J.E. Alexander, Jr., B.L. Bukaveckas, G.A. Cobbs, and K.L. Bresko. 1998. Responses of Ohio River and Lake Erie dreissenid molluscs to changes in temperature and turbidity. Can. J. Fish. Aquat. Sci. 55(1):220-229.

Wehr, J.D., S.P. Lonergan, and J.H. Thorp. 1997. Concentrations and controls of dissolved organic matter in a constricted-channel region of the Ohio River. Biogeochemistry 38:41-65. 

Wehr, J. D. and J. H. Thorp. 1997. Effects of navigation dams, tributaries, and littoral zones on phytoplankton of the Ohio River. Can. J. Fish. Aquat. Sci. 54:378-395. 

Summers, R.B., M.D. Delong, and J.H. Thorp. 1997. Ontogenetic and temporal shifts in the diet of the amphipod Gammarus fasciatus in the Ohio River. Amer. Midl. Nat. 137(2):329-336.

Summers, R.B., J.H. Thorp, J. E. Alexander, Jr., and R. D. Fell. 1996. Respiratory adjustment of dreissenid mussels (Dreissena polymorpha and D. bugensis) in response to chronic turbidity. Can. J. Fish. Aquat. Sci.53(7):1626-1631.

Thorp, J. H., A. R. Black, J.D. Jack, and A. F. Casper. 1996. Pelagic enclosures - modification and use for experimental study of riverine plankton. Archiv. für Hydrobiologie, Supplement 113, Large Rivers 10:583-589. 

Jack, J.D. and J.H. Thorp. 1995. Daphnia lumholtzi: appearance and likely impacts of an exotic cladoceran in the Ohio River. Trans. Kentucky Acad. Sci. 56(3/4):101-103. 

Thorp, J. H., A. R. Black, K. H. Haag, and J. D. Wehr. 1994. Zooplankton assemblages in the Ohio River: seasonal, tributary, and navigation dam effects. Can. J. Fish. Aquat. Sci. 51:1634-1643. 

Thorp, J. H., J. E. Alexander, K. S. Greenwood. A. F. Casper, R. K. Kessler, A. R. Black, W. Fang, A. F. Westin, R. B. Summers, T. W. Sellers, and B. Lewis. 1994. Predicting the success of riverine populations of zebra mussels (Dreissena polymorpha) - a case history of early colonization and microhabitat distribution in the Ohio River. Pages 457-476 in: A. H. Miller (ed.), Proceedings of the Fourth International Zebra Mussel Conference, March 7-10, 1994, Madison, WI. University of Wisconsin System, Sea Grant Institute, 718 p.

Thorp, J. H. and M. D. Delong. 1994. The riverine productivity model: an heuristic view of carbon sources and organic processing in large river ecosystems. Oikos 70(2):305-308. 

Alexander, J. E., Jr., J. H. Thorp, and R. D. Fell. 1994. Turbidity and temperature effects on oxygen consumption in zebra mussels (Dreissena polymorpha). Can. J. Fish. Aquat. Sci. 51(1):179-184. 

Delong, M. D., R. B. Summers, and J.H. Thorp. 1993. Influence of food type on the growth of a riverine amphipod, Gammarus fasciatus. Can. J. Fish. Aquat. Sci. 50(9):1891-1896. 

Delong, M.D., J.H. Thorp, and K. H. Haag. 1993. New device for sampling macroinvertebrates from woody debris (snags) in nearshore areas of aquatic systems. Am. Midl. Nat. 130(2):413-417. 

Kessler, R. K. and J.H. Thorp. 1993. Microhabitat segregation of the threatened spotted darter (Etheostoma maculatum) and closely related orangefin darter (E. bellum). Can. J. Fish. Aquat. Sci. 50(5):1084-1091. 

Thorp, J. H. 1992. Linkage between islands and benthos in the Ohio River, with implications for riverine management. Can. J. Fish. Aquatic Sci. 49(9): 1873-1882. 

Georgian, T. and J.H. Thorp. 1992. Effects of microhabitat selection on feeding rates of net-spinning caddisfly larvae. Ecology 73:229-240. 

Mellett, B. J., R. W. Bosserman, and J.H. Thorp. 1992. Use of fractal dimension to analyze meandering patterns in the Redbird River of eastern Kentucky. Trans. Kentucky Acad. Sci. 53(1-2):46-49.

Haag, K. H. and J.H. Thorp. 1991. Cross-channel distribution patterns of invertebrate benthos in a regulated reach of the Tennessee River. Regulated Rivers: Research and Management 6:225-233.

Thorp, J. H., L. D. Goldsmith, J. A. Polgreen, and L. M. Mayer. 1989. Foraging patterns of nesting and non-nesting sunfish (Centrarchidae: Lepomis auritus and L. gibbosus). Can. J. Fish. Aquatic Sci. 46:1342-1346. 

Mayack, D. T., J.H. Thorp, M. Cothran. 1989. Effects of burial and floodplain retention on stream processing of allochthonous litter. Oikos 54:378-388. Thorp, J. H. 1988. Patches and the responses of lake benthos to sunfish nest-building. Oecologia 76(2):168-174.

Thorp, J. H., J. B. Wallace, and T. J. Georgian, Jr. 1986. Untangling the web of caddisfly evolution and distribution. Oikos 47(2):253-256.

Thorp, J. H. 1986. Two distinct roles for predators in freshwater assemblages. Oikos 47(1): 75-82. 

Thorp, J. H. and S. P. Gloss. 1986. Field and laboratory tests on acute toxicity of cadmium to freshwater crayfish. Bull. Environ. Contam. & Toxicol. 37:355-361.

Thorp, J. H., E. M. McEwan, M. F. Flynn, and F. R. Hauer. 1985. Invertebrate colonization of submerged wood in a cypress-tupelo swamp and blackwater stream. Amer. Midl. Nat. 113:56-68. Cothran, M. L. and J. H. Thorp. 1985. Tests of prey preference and switching behavior of the dragonfly Celithemis fasciata. Oikos 44(2):350-355.

Diggins, M. R. and J.H. Thorp. 1985. Winter-spring depth distribution of Chironomidae in a southeastern reservoir. Freshwat. Invertebr. Biol. 4(1):8-21.

Thorp, J. H. and M. L. Cothran. 1984. Regulation of freshwater community structure at multiple intensities of dragonfly predation. Ecology 65(5): 1546-1555.

Thorp, J. H. 1984. Evolutionary differentiation of caddisfly catchnets: perspectives on the roles of competition and predation. Oikos 43:121-125.

Thorp, J. H. 1984. Theory and practice in crayfish communication studies. J. Chem. Ecol. 10(8):1283-1288.

Thorp, J. H. 1983. An evaluation of hypotheses on the evolutionary differentiation of catchnets in net-spinning caddisflies (Trichoptera: Hydropsychidae). Oikos 40(2):308-312. 

Thorp, J. H. and R. K. Chesser. 1983. Seasonal responses of lentic midge assemblages to environmental gradients. Holarctic Ecology 6(2):123-132. 

Cothran, M. L. and J.H. Thorp. 1982. Emergence and size variation of Odonata in a thermal reservoir. Freshwat. Invertebr. Biol. 1(4): 30-39. 

Gresens, S. E., M. L. Cothran and J.H. Thorp. 1982. The influence of temperature on the functional responses of the dragonfly Celithemis fasciata (Odonata: Libellulidae). Oecologia 53:281-284. 

Thorp, J. H. and M. L. Cothran. 1982. Floating field microcosms for studying benthic communities. Freshwat. Invertebr. Biol. 1(1):44-49.

Thorp, J. H. and H. Itagaki. 1982. Verification versus falsification of existing theory: analysis of possible chemical communication in crayfish. J. Chem. Ecol. 8(7):1073-1077.

Thorp, J. H. and M. R. Diggins. 1982. Factors affecting depth distribution of dragonflies and other benthic insects in a thermally destabilized reservoir. Hydrobiologia 87:33-44.

Thorp, J. H. and E. A. Bergey. 1981. Field experiments on interactions between vertebrate predators and larval midges (Diptera: Chironomidae) in the littoral zone of a reservoir. Oecologia 50:285-290.

Itagaki, H. and J. H. Thorp. 1981. Laboratory experiments to determine if crayfish can communicate in a flow-through system. J. Chem. Ecol. 7(1): 115-126.

Thorp, J. H. and E. A. Bergey. 1981. Field experiments on responses of a freshwater, benthic macroinvertebrate community to vertebrate predators. Ecology 62(2): 365-375.

Thorp, J. H. and S. A. Winewriter. 1981. Stress and growth response of juvenile crayfish to rhythmic and arrhythmic temperature fluctuations. Arch. Environ. Contam. & Toxicol. 10:69-77.

Caldwell, J. P., J.H. Thorp, and T. O. Jervey. 1980. Predator-prey relationships among larval dragonflies, salamanders and frogs. Oecologia 46(3):285-289.

Thorp, J. H., J. P. Giesy and S. A. Winewriter. 1979. Effects of chronic cadmium exposure on crayfish survival, growth, and tolerance to elevated temperature. Arch. Environ. Contam. & Toxicol. 8:449-456.

Thorp, J. H. 1978. Agonistic behavior in crayfish in relation to temperature and reproductive period. Oecologia 36(3):273-280.

Thorp, J. H. and K. S. Ammerman. 1978. Chemical communication and agonism in the crayfish Procambarus a. acutus. Amer. Midl. Nat. 100(2):471-474. 

Thorp, J. H. 1976. Interference competition as a mechanism of coexistence between two sympatric species of the grass shrimp Palaemonetes (Decapoda: Palaemonidae). J. Exp. Mar. Biol. & Ecol. 25:19-35.

Thorp, J. H. and D. E. Hoss. 1975. Effects of salinity and cyclic temperature on survival of two sympatric species of grass shrimp (Palaemonetes) and their relationship to natural distributions. J. Exp. Mar. Biol. and Ecol. 18:19-28. 

Thorp, J. H. and G. T. Barthalmus. 1975. Effects of crowding on growth rate and symbiosis in green hydra. Ecology 56:206-212.
 
 

Published Books and Other Chapters

Thorp, J. H., G.A. Lamberti, and A.F. Casper. 2005. Chapter. 21. St. Lawrence River. Pages xxx-xxx in: A.C. Benke and C.E. Cushing (eds.), Rivers of North America. Academic Press, San Diego, CA (In Press).

Thorp, J. H. 2003. Arthropoda and related groups. Pages 59-66  in: V. Resh and R. Cardé (eds.), Encyclopedia of Insects. Volume x. Academic Press, San Diego, CA. 

Thorp, J. H. and A.P. Covich (eds.). 2001. Ecology and classification of North American freshwater invertebrates. Second Edition, Academic Press, San Diego, 1038 pages. [First edition by Thorp and Covich was published in 1991.] Authored chapters are:

Thorp, J. H. and A. P. Covich. Chapter 1. Introduction to freshwater invertebrates. Pages 1-18. 

Thorp, J. H. and A. P. Covich. Chapter 2. An overview of freshwater habitats. Pages 19-41. 

Covich, A. P. and J. H. Thorp. Chapter 19. Introduction to the subphylum Crustacea. Pages 777-809. 

Thorp, J. H. 1995. Invertebrates, freshwater. Pages 357-370 in: W. A. Nierenberg (ed.), Encyclopedia of environmental biology. Volume 2. Academic Press, San Diego, CA. 

Thorp, J. H. and A. P. Covich (eds.). 1991. Ecology and classification of North American freshwater invertebrates. Academic Press, San Diego. 911 pages. 

Thorp, J. H. and J. W. Gibbons. 1978. Energy and environmental stress in aquatic systems. D.O.E. Symposium Series (CONF-771114), Nat. Tech. Information Service, Springfield, Virginia. 854 p. (Given "Merit in Books" award from that society). 
 
 

Reviews 

Thorp, J. H. 2001. Review of: R.T. Dillon, Jr. 2000. The ecology of freshwater molluscs. [Cambridge Univ. Press. 509 pp.] Quarterly Review of Biology 76(1):102. 

Thorp, J. H. 1989. Review of: Complex interactions in lake communities. [S. R. Carpenter (editor), Springer-Verlag, New York.] J. North Am. Benthol. Soc. 8:370-371. 
 
 

Other Publications: 

Alexander, J.E., Jr., J.H. Thorp, and J.C. Smith. 1997. Biology and potential impact of zebra mussels in large rivers. American Water Works Association Research Foundation 104 p.

Hobbs, H. H., III, J.H. Thorp, and G. E. Anderson. 1976. The freshwater decapod crustaceans (Palaemonidae, Cambaridae) of the Savannah River Plant, South Carolina. Public. of SR-Nat. Environ. Res. Park. 63 p. 

James H. Thorp Fall 2003