Simplification of seagrass food webs across a gradient of nutrient enrichment

Canadian Journal of Fisheries and Aquatic Sciences

Volumn 64, Issue 7, 2007, Pages 956-967

  Tewfik, Alexander ^a,b   Rasmussen, Joseph B ^c   McCann, Kevin S ^d  

^a MCGILL UNIVERSITY   (Canada)

^b WORLDFISH   (Malaysia)

^c UNIVERSITY OF LETHBRIDGE   (Canada)

^d UNIVERSITY OF GUELPH   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

BIOMASS; DETRITUS; FOOD WEB; NUTRIENT ENRICHMENT; PHYTOPLANKTON; SEAGRASS;

EID: 35348993253     PISSN: 0706652X     EISSN: None     Source Type: Journal    
DOI: 10.1139/F07-071     Document Type: Article

References (65)

1. 15N enrichment. Limnol. Oceanogr. 45: 601-607.
2. Cabana, G., and Rasmussen, J.B. 1996. Comparison of aquatic food chains using nitrogen isotopes. Proc. Natl. Acad. Sci. U.S.A. 93: 10 844-10 847.
3. Camp, D.K., Cobb, S.P., and van Breddveld, J.F. 1973. Overgrazing of grasses by a regular urchin, Lytechinus variegatus. Bioscience, 23: 37-38.
4. Cardoso, P.G., Pardal, M.A., Lillebo, A.I., Ferreira, S.M., Raffaelli, D., and Marques, J.C. 2004. Dynamic changes in seagrass assemblages under eutrophication and implications for recovery. J Exp. Mar. Biol. Ecol. 302: 233-248.
5. Carpenter, S., Ludwig, D., and Brock, W. 1999. Management of eurtrophication for lakes subject to potentially irreversible change. Ecol. Appl. 9: 751-771.
6. Cebrian, J., and Duarte, C.M. 1998. Patterns in leaf herbivory on seagrass. Aquat. Bot. 60: 67-82.
7. Clarke, K.R., and Gorley, R.N. 2006. PRIMER v6: user manual/tutorial. PRIMER-E Ltd., Plymouth, UK.
8. Clarke, K.R., and Warwick, R.M. 2001. Change in marine communities, an approach to statistical analysis and interpretation. PRIMER-E Ltd., Plymouth, UK.
9. Cloern, J.E. 2001. Our evolving conceptual model of the coastal eutrophication problem. Mar. Ecol. Prog. Ser. 210: 223-253.
10. 15N isotopic method to indicate anthropogenic eutrophication in aquatic ecosystems. J. Environ. Qual. 33(1): 124-132.
11. Connell, J.H. 1978. Diversity in tropical rainforests and coral reefs. Science (Washington, D.C.), 199: 1302-1310.
12. DeAngelis, D. 1992. Dynamics of nutrient cycling and food webs. Chapman and Hall, London, UK.
13. Duarte, C.M. 1995. Submerged aquatic vegetation in relation to different nutrient regimes. Ophelia, 41: 87-112.
14. Duarte, C.M. 2002. The future of seagrass meadows. Environ. Conserv. 29: 192-206.
15. Grall, J., and Chauvaud, L. 2002. Marine eutrophication and benthos: the need for new approaches and concepts. Global Change Biol. 8: 813-830.
16. Green, S.O., and Webber, D.F. 2003. The effects of varying levels of eutrophication on phytoplankton and seagrass (Thalassia testudinum) populations of the southeast coast of Jamaica. Bull. Mar. Sci. 73(2): 443-455.
17. Harmelin, J., Bouchon, C., and Hong, J. 1981. Impact de la pollution sur la distribution des echinodermes des substrats durs en provence (Mediterranee Nord-Occidentale). Tethys, 10: 13-36.
18. Hemminga, M., and Duarte, C. 2000. Seagrass ecology. Cambridge University Press, Cambridge.
19. Hiscock, K. 1996. Marine nature conservation review: rationale and methods. Nature Conservancy Council, Peterborough, UK.
20. Hughes, T. 1994. Catastrophes, phase shifts, and large-scale degradation of Caribbean coral reefs. Science (Washington, D.C.), 265: 1547-1551.
21. Huston, M. 1979. A general hypothesis of species diversity. Am. Nat. 113: 81-101.
22. Huxel, G.R., and McCann, K.S. 1998. Food web stability: the influence of trophic flows across habitats. Am. Nat. 152: 460-469.
23. Iken, K., Brey, T., Wand, U., Voigt, J., and Junghans, P. 2001. Food web structure of the benthic community at the Porcupine Abyssal Plain (NE Atlantic): a stable isotope analysis. Progr. Oceanogr. 50: 383-405.
24. Jackson, D.A. 1997. Compositional data in community ecology: the paradigm or peril of proportions. Ecology, 78: 929-940.
25. Jackson, J.B.C. 2001. What was natural in the coastal oceans? Proc. Natl. Acad. Sci. U.S.A. 98: 5411-5418.
26. Jackson, J.B.C., Kirby, M.X., Berger, W.H., Bjorndal, K.A., Botsford, L.W., B.J., B., Bradbury, R.H., Cooke, R., Erlandson, J., Estes, J.A., Hughes, T.P., Kidwell, S., Lange, C.B., Lenihan, H.S., Pandolfi, J.M., Peterson, C.H., Steneck, R.S., Tegner, M.J., and Warner, R.R. 2001. Historical overfishing and the recent collapse of coastal ecosystems. Science (Washington, D.C.), 293: 629-638.
27. Jefferies, R. 2000. Allochthonous inputs: integrating population changes and food-web dynamics. Trends Ecol. Evol. 15: 19-22.
28. Jefferies, R., Rockwell, R., and Abraham, K. 2004. Agricultural food subsidies, migratory conductivity and large-scale disturbance in arctic coastal systems: a case study. Integr. Comp. Biol. 44: 130-139.
29. Lawrence, J. 1975. On the relationship between marine plants and sea urchins. Oceanogr. Mar. Biol: Annu. Rev. 13: 213-286.
30. Levin, L., Blair, N., DeMaster, D., Plaia, G., Fornes, W., Martin, C., and Thomas, C. 1997. Rapid subduction of organic matter by maldanid polychaetes on the North Carolina slope. J. Mar. Res. 55(3): 595-611.
31. Martinetto, P., Teichberg, M., and Valiela, I. 2006. Coupling of estuarine benthic and pelagic food webs to land-derived nitrogen sources in Walquoit Bay, Massachusetts, USA. Mar. Ecol. Prog. Ser. 307: 37-48.
32. McCann, K.S. 2000. The diversity-stability debate. Nature (London), 405: 228-233.
33. McCann, K.S. 2007. Protecting biostructure. Nature (London), 446: 29.
34. McClelland, J.W., and Valiela, I. 1998. Changes in food web structure under the influence of increased anthropogenic nitrogen inputs to estuaries. Mar. Ecol. Prog. Ser. 168: 259-271.
35. McClelland, J.W., Valiela, I., and Michener, R.H. 1997. Nitrogen-stable isotope signatures in esturine food webs: a record of increasing urbanization in coastal watersheds. Limnol. Oceanogr. 42: 930-937.
36. McGlathery, K.J. 1995. Nutrient and grazing influences on a subtropical seagrass community. Mar. Ecol. Prog. Ser. 122: 239-252.
37. 15N and animal age. Geochim. Cosmochim. Acta, 48: 1135-1140.
38. Moodley, L., Middelburg, J.J., Soetaert, K., Boschker, H.T.S., Herman, P.M.J., and Heip, C.H.R. 2005. Similar rapid response to phytodetritus deposition in shallow and deep-sea sediments. J. Mar. Res. 63(2): 457-469.
39. Moore, J., Berlow, E., Coleman, D., de Ruiter, P., Dong, Q., Hastings, A., Collins-Johnson, N., McCann, K., Melville, K., Morin, P., Nadelhoffer, K., Rosmond, A., Post, D., Sabo, J., Scow, K., Vanni, M., and Wall, D. 2004. Detritus, trophic dynamics, and biodiversity. Ecol. Lett. 7: 584-600.
40. Ogden, J.C. 1980. Faunal relationships in Caribbean seagrass beds. In Handbook of seagrass biology: an ecosystem perspective. Edited by R. Phillips and C. McRoy. Garland STPM Press, New York. pp. 173-198.
41. Pearson, T., and Rosenberg, R. 1978. Macrobenthic successions in relation to organic enrichment and pollution of the marine environment. Oceanogr. Mar. Biol. Annu. Rev. 16: 229-311.
42. Peterson, B.J., and Fry, B. 1987. Stable isotopes in ecosystem studies. Annu. Rev. Ecol. Syst. 18: 293-320.
43. Polis, G.A., and Strong, D.R. 1996. Food web complexity and community dynamics. Am. Nat. 147: 813-846.
44. Polis, G.A., Myers, C.A., and Holt, R.D. 1989. The ecology and evolution of intraguild predation: potential competitors that eat each other. Annu. Rev. Ecol. Syst. 20: 297-330.
45. Polis, G.A., Anderson, W.B., and Holt, R.D. 1997. Toward an integration of landscape and food web ecology. Annu. Rev. Ecol. Syst. 28: 289-316.
46. Rose, C.D., Sharp, W.C., Kenworthy, W.J., Hunt, J.H., Lyons, W., G., Prager, E.J., Valentine, J.F., Hall, M.O., Whitfield, P.E., and Fourqurean, J.W. 1999. Overgrazing of a large seagrass bed by the sea urchin Lytechinus variegatus in Outer Florida Bay. Mar. Ecol. Prog. Ser. 190: 211-222.
47. Savage, C., Elmgren, R., and Larsson, U. 2002. Effects of sewage derived nutrients on an esturine macrobenthic community. Mar. Ecol. Prog. Ser. 243: 67-82.
48. Scheffer, M., Carpenter, S., Foley, J.A., Folke, C., and Walker, B. 2001. Catastrophic shifts in ecosystems. Nature (London), 413: 591-596.
49. Short, F.T., and Wyllie-Echeverria, S. 1996. Natural and human-induced disturbance of seagrasses. Environ. Conserv. 23: 17-27.
50. Stoner, A.W., and Waite, J.M. 1991. Trophic biology of Strombus gigas in nursery habitats: diets and food sources in seagrass meadows. J. Moll. Stud. 57: 451-460.
51. Stoner, A.W., Ray, M., and Waite, J.M. 1995. Effects of a large herbivorous gastropod on macrofauna communities in tropical seagrass meadows. Mar. Ecol. Prog. Ser. 121: 125-137.
52. SYSTAT. 2001. SigmaPlot 2001 for windows. SYSTAT Software Inc., Richmond, California.
53. Tewfik, A. 2005. Patterns and effects of disturbance in Caribbean macrophyte communities. Ph.D. dissertation, Department of Biology, McGill University, Montreal, Quebec.
54. Tewfik, A., Rasmussen, J.B., and McCann, K.S. 2005. Anthropogenic enrichment alters a marine benthic food web. Ecology, 86(10): 2726-2736.
55. Vadeboncoeur, Y., Jeppesen, E., Vander Zanden, M.J., Schierup, H.H., Christoffersen, K., and Lodge, D.M. 2003. From Greenland to green lakes: cultural eutrophication and the loss of the benthic pathways in lakes. Limnol. Oceanogr. 48: 1408-1418.
56. Valentine, J.F., and Heck, K.L. 1991. The role of sea urchin herbivory in regulating subtropical seagrass meadows: evidence from field manipulations in the Northern Gulf of Mexico. J. Exp. Mar. Biol. Ecol. 154: 215-230.
57. Valentine, J.F., and Heck, K.L. 1999. Seagrass herbivory: evidence for continued grazing of marine grasses. Mar. Ecol. Prog. Ser. 176: 291-302.
58. 15N enrichment: a meta-analysis. Oecologia, 136: 169-182.
59. Vermeer, L. 2000. Changes in growth and abundance of seagrass in Barbados. Ph.D. thesis, Department of Biology, Dalhousie University, Halifax, Nova Scotia.
60. Vetter, E., and Dayton, P. 1999. Organic enrichment by macrophyte detritus and abundance patterns of megafaunal populations in submarine canyons. Mar. Ecol. Prog. Ser. 186: 137-148.
61. Vizzini, S., Sara, G., Michener, R.H., and Mazzola, A. 2002. The role and contribution of seagrass Posidonia oceanica (L.) Delile organic matter for secondary consumers as revealed by carbon and nitrogen stable isotope analysis. Acta Oecol. 23: 277-285.
62. Weston, D.P. 1990. Quanitative examination of macrobenthic community changes along an organic enrichment gradient. Mar. Ecol. Prog. Ser. 61: 233-244.
63. Wetzel, R.G. 1995. Death, detritus, and energy flow in aquatic ecosystems. Freshw. Biol. 33: 83-89.
64. Williams, S.L. 1990. Experimental studies of Caribbean seagrass bed development. Ecol. Monogr. 60: 449-469.
65. Zar, J.H. 1999. Biostatistical analysis. Prentice-Hall, Inc., London, UK.