Self-Organized Patchiness and Catastrophic Shifts in Ecosystems

American Association for the Advancement of Science (AAAS) - Tập 305 Số 5692 - Trang 1926-1929 - 2004
Max Rietkerk1,2, Stefan C. Dekker1,2, Peter C. de Ruiter1,2, Johan van de Koppel1,2
1Department of Environmental Sciences, Copernicus Institute, Utrecht University, P.O. Box 80115, 3508 TC Utrecht, Netherlands.
2Spatial Ecology Department, Netherlands Institute of Ecology, P.O. Box 140, 4400 AC Yerseke, Netherlands.

Tóm tắt

Unexpected sudden catastrophic shifts may occur in ecosystems, with concomitant losses or gains of ecological and economic resources. Such shifts have been theoretically attributed to positive feedback and bistability of ecosystem states. However, verifications and predictive power with respect to catastrophic responses to a changing environment are lacking for spatially extensive ecosystems. This situation impedes management and recovery strategies for such ecosystems. Here, we review recent studies on various ecosystems that link self-organized patchiness to catastrophic shifts between ecosystem states.

Từ khóa


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We thank W. Bleuten P. Couteron C. Klausmeier E. Lapshina O. Lejeune E. Meron and M. Wassen for sharing photographs and M. Scheffer P. Herman and two anonymous referees for thoughtful comments that increased the clarity of the manuscript. Supported by a VIDI grant of the Netherlands Organization of Scientific Research (NWO-ALW) (M.R.).