Understanding coral reefs as complex systems: degradation and prospects for recovery
DOI:
https://doi.org/10.3989/scimar.2006.70n2219Keywords:
complexity, complex system, resilience, robustness, self-organization, scaleAbstract
The present century is witness to unprecedented levels of coral reef degradation worldwide. Current understanding based on traditional ideas is unlikely to capture adequately the dynamics of phenomena accompanying this trend. In this regard, the ideas of complexity are reviewed. Some applications to coral reefs as complex systems have already been discussed in the literature although further progress is warranted as the search for new and more effective management tools continues, and the direction towards more holistic, integrative and large scale approaches gains wider acceptance. We distinguish between the concepts of robustness and resilience in the face of disturbance, highlight the various mechanisms that foster these stability properties and provide some coral reef examples. We identify some of the driving forces behind succession that are critical for community assembly and possible reef recovery. Finally, we consider how self-organization arises out of apparently random and chaotic processes and interactions to exhibit certain regularities and patterns especially when moving up on the scale of space and/or time.
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References
Baker, A.C. – 2001. Reef corals bleach to survive change. Nature, 411: 765-66. doi:10.1038/35081151 PMid:11459046
Bellwood, D.R. and T.P. Hughes. – 2001. Regional-scale assembly rules and biodiversity of coral reefs. Science, 292: 1532-1534. doi:10.1126/science.1058635 PMid:11375488
Bellwood, D.R., T.P. Hughes, C. Folke and M. Nyström. – 2004. Confronting the coral reef crisis. Nature, 429: 827–833. doi:10.1038/nature02691 PMid:15215854
Bradbury, R.H. – 1977. Independent lies and holistic truths: towards a theory of coral reef communities as complex systems. Proc. 3rd Int. Coral Reef Symp. Miami, 1: 1-7.
Bradbury, R.H., J.D. van der Laan and D.G. Green. – 1996. The idea of complexity in ecology. Senckenb. Marit., 27: 89 - 96.
Brown, J.H. – 1995. Organisms and species as complex adaptive systems: linking the biology of populations with the physics of ecosystems. In: C.G. Jones and J.H. Lawton (eds.), Linking Species and Ecosystems, pp. 16-24. Chapman and Hall, London.
Brown, J.H., T.G. Whitham, S.K.M. Ernest and C.A. Gehring. – 2001. Complex species interactions and the dynamics of ecological systems: long-term experiments. Science, 293: 643-650. doi:10.1126/science.293.5530.643 PMid:11474100
Buddemeier, R.W. and D.G. Fautin.- 1993. Coral bleaching as an adaptive mechanism. BioScience, 43: 320-326. doi:10.2307/1312064
Caldeira, K. and M.E. Wickett. – 2003. Anthropogenic carbon and ocean pH. Nature, 425: 365 doi:10.1038/425365a PMid:14508477
Carlson, J. M. and J. Doyle. – 2002. Complexity and robustness. Proc. Natl. Acad. Sci., 99: 2538–2545. doi:10.1073/pnas.012582499
Carpenter, S.R., S.W. Chisholm, C.J. Krebs, D.W. Schindler and R.F. Wright. – 1995. Ecosystem experiments. Science, 269: 324-327. doi:10.1126/science.269.5222.324 PMid:17841247
Connell, J. H. – 1997. Disturbance and recovery of coral assemblages. Coral Reefs, 16 (Suppl. S101-S113).
Dent, C.L., G.S. Cumming and S. R. Carpenter. – 2002. Multiple states in river and lake ecosystems. Philos. Trans. R. Soc. Lond., Ser. B, 357: 635–645.
Done, T. J. – 1999. Coral community adaptability to environmental changes at scales of regions, reefs and reef zones. Am. Zool., 39: 66-79.
Haefner, J.W. – 1996. Modeling biological systems: principles and applications. Chapman and Hall, New York.
Hastings, A. and M.A. Palmer. – 2003. A bright future for biologists and mathematicians? Science, 299: 2003-2004. doi:10.1126/science.1081522 PMid:12663907
Hatcher, B.G. – 1984. A maritime accident provides evidence for alternate stable states in benthic communities on coral reefs. Coral Reefs, 3: 199-204. doi:10.1007/BF00288255
Hatcher, B.G. – 1997. Coral reef ecosystems: how much greater is the whole than the sum of the parts? Coral Reefs, 16: (Suppl. S77-S91).
Holling, C.S. – 1973. Resilience and stability of ecological systems. Annu. Rev. Ecol. Syst., 4: 1-23. doi:10.1146/annurev.es.04.110173.000245
Holling, C.S. – 1996. Engineering resilience versus ecological resilience. In: P.C. Schulze (ed.), Engineering within Ecological Constraints, pp. 31-43. National Academy Press, Washington D.C.
Holling, C.S. – 2001. Understanding the complexity of economic, ecological, and social systems. Ecosystems, 4: 390-405. doi:10.1007/s10021-001-0101-5
Hughes, T. P., A. H. Baird, D. R. Bellwood, M. Card, S. R. Connolly, C. Folke, R. Grosberg, O. Hoegh-Guldberg, J. B. C. Jackson, J. Kleypas, J. M. Lough, P. Marshall, M. Nyström, S. R. Palumbi, J. M. Pandolfi, B. Rosen and J. Roughgarden. – 2003. Climate change, human impacts, and the resilience of coral reefs. Science, 301: 929-933. doi:10.1126/science.1085046 PMid:12920289
Jen, E. – 2001. Stable or robust? What’s the difference? [RS-2001- 024] Santa Fe Institute
Johnson, C., D. Klumpp, J. Field and R. Bradbury - 1995. Carbon flux on coral reefs: effects of large shifts in community structure. Mar. Ecol. Progr. Ser., 126: 123-143. doi:10.3354/meps126123
Kaandorp, J.A., C.P. Lowe, D. Frenkel and P.M.A. Sloot. – 1996. Effect of nutrient diffusion and flow on coral morphology. Phys. Rev. Lett., 77: 2328-2331. doi:10.1103/PhysRevLett.77.2328 PMid:10061916
Kerr, B., M.A. Riley, M.W. Feldman and B.J.M. Bohannan. – 2002. Local dispersal promotes biodiversity in a real-life game of rock-paper-scissors. Nature, 418: 171-174. doi:10.1038/nature00823 PMid:12110887
Kirschner, M. and J. Gerhart. – 1998. Evolvability. Proc. Natl. Acad. Sci., 95: 8420-8427. doi:10.1073/pnas.95.15.8420
Kitano, H. – 2001. Foundations of systems biology. MIT Press, Cambridge/MA.
Kleypas, J.A., R.W. Buddemeier, D. Archer, J.-P. Gattuso, C. Langdon and B.N. Opdyke. – 1999. Geochemical consequences of increased atmospheric CO2 on coral reefs. Science, 284: 118-120. doi:10.1126/science.284.5411.118 PMid:10102806
Knowlton, N. – 1992. Thresholds and multiple stable states in coral reef community dynamics. Am. Zool., 32: 674-682.
Langdon, C., W.S. Broecker, D.E. Hammond, E. Glenn, K. Fitzsimmons, S.G. Nelson, T.-S. Peng, I. Hajdas and G. Bonani. – 2003. Effect of elevated CO2 on the community metabolism of an experimental coral reef. Global Biogeochem. Cy., 17: 10.1029/2002GB001941. doi:10.1029/2002GB001941
Levin, S.A. – 1992. The problem of pattern and scale in ecology. Ecology, 73: 1943-1967. doi:10.2307/1941447
Levin, S.A. – 1998. Ecosystems and the biosphere as complex adaptive systems. Ecosystems, 1: 431-436. doi:10.1007/s100219900037
Levin, S.A., J. Dushoff and J.E. Keymer. – 2001. Community assembly and the emergence of ecosystem pattern. Sci. Mar., 65 (Suppl. 2): 171-179.
Lewin, R. – 1999. Complexity: life at the edge of chaos. 2nd ed. Univ. of Chicago Press, Chicago.
Lim, M. and C. Saloma. – 2002. Emergence of hysteresis in a network of nonhysteretic agents with continuous responses. Phys. Rev. Lett., 88: 038701-1-4.
Lirman D., D. Manzello and S. Maciá. – 2002. Back from the dead: the resilience of Siderastrea radians to severe stress. Coral Reefs, 21: 291-292.
Lockwood, J.L. and S.L. Pimm. – 1999. When does restoration succeed? In: E. Weiher and P. Keddy (eds.), Ecological Assembly Rules: Perspectives, Advances, Retreats, pp. 363-392. Cambridge Univ. Press, New York.
Lundberg, J. and F. Moberg. – 2003. Mobile link organisms and ecosystem functioning: implications for ecosystem resilience management. Ecosystems, 6: 87–98. doi:10.1007/s10021-002-0150-4
May, R.M. – 1977. Thresholds and breakpoints in ecosystems with a multiplicity of stable states. Nature, 269: 471-477. doi:10.1038/269471a0
McClanahan, T., N. Polunin and T. Done. – 2002. Ecological states and the resilience of coral reefs, http://www.consecol.org/vol6/iss2/art18.
Montebon, A.R.F. and H.T. Yap. – 1995. Metabolic responses of the scleractinian coral Porites cylindrica Dana to water motion. I. Oxygen flux studies. J. Exp. Mar. Biol. Ecol., 186: 33-52. doi:10.1016/0022-0981(95)00150-P
Murdoch, T.J.T. and R.B. Aronson. – 1999. Scale-dependent spatial variability of coral assemblages along the Florida reef tract. Coral Reefs, 18: 341-351. doi:10.1007/s003380050210
Nyström, M., C. Folke and F. Moberg. – 2000. Coral reef disturbance and resilience in a human dominated environment. Trends Ecol. Evol., 15: 413-417. doi:10.1016/S0169-5347(00)01948-0
Odum, H.T. and E.P. Odum. – 1955. Trophic structure and productivity of a windward coral reef community on Eniwetok Atoll. Ecol. Monogr., 25: 381-410. doi:10.2307/1943285
O’Neill, R.V., D.L. DeAngelis, J.B. Waide and T.F.H. Allen. – 1986. A hierarchical concept of ecosystems. Princeton Univ. Press, New Jersey.
Pandolfi, J.M. – 2002. Coral community dynamics at multiple scales. Coral Reefs, 21: 13-23.
Parrott, L. – 2002. Complexity and the limits of ecological engineering. Trans Am. Soc. Agric. Eng., 45: 1697-1702.
Perry, D.A. – 1995. Self-organizing systems across scales. Trends Ecol. Evol., 10: 241-244. doi:10.1016/S0169-5347(00)89074-6
Peterson, G., C.R. Allen and C.S. Holling. – 1998. Ecological resilience, biodiversity, and scale. Ecosystems, 1: 6-18. doi:10.1007/s100219900002
Pimm, S. L. – 1991. The balance of nature? The Univ. of Chicago Press, Chicago.
Preece, A.L. and C.R. Johnson. – 1993. Recovery of model coral communities: complex behaviours from interaction of parameters operating at different spatial scales. In: D.G. Green and T. Bossomaier (eds.), Complex Systems: From Biology to Computation, pp. 69-81. IOS Press, Amsterdam.
Reyes, M.Z. and H.T. Yap. – 2001. Effect of artificial substratum material and resident adults on coral settlement patterns at Danjugan Island, Philippines. Bull. Mar. Sci., 69: 559-566.
Scheffer, M., S. Carpenter, J.A. Foley, C. Folke and B. Walker. – 2001. Catastrophic shifts in ecosystems. Nature, 413: 591-596. doi:10.1038/35098000 PMid:11595939
Solé, R.V., R.F. Cancho, J.M. Montoya and S. Valverde. – 2003. Selection, tinkering and emergence in complex networks. Complexity, 8: 20-33. doi:10.1002/cplx.10055
Worm, B. and J.E. Duffy. – 2003. Biodiversity, productivity and stability in real food webs. Trends Ecol. Evol., 18: 628-632. doi:10.1016/j.tree.2003.09.003
Yap, H.T., R.M. Dizon and A.R.F. Montebon. – 1999. Metabolism of a northwestern Philippine coral reef flat measured at two spatial scales. Philipp. J. Sci., 128: 211-223.
Yap, H.T., A.R.F. Montebon and R.M. Dizon. – 1994. Energy flow and seasonality in a tropical coral reef flat. Mar. Ecol. Progr. Ser., 103: 35-43. doi:10.3354/meps103035
Yap, H.T., A.R.F. Montebon, J.-A. von Oertzen and R.M. Dizon. – 1995. Experimental manipulations of a solitary coral (Fungia, Scleractinia) with emphasis on the effects of light. Bull. Mar. Sci., 56: 319-329.
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