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      Generic Indicators of Ecological Resilience: Inferring the Chance of a Critical Transition

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      Annual Review of Ecology, Evolution, and Systematics
      Annual Reviews

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          Paradox of enrichment: destabilization of exploitation ecosystems in ecological time.

          Six reasonable models of trophic exploitation in a two-species ecosystem whose exploiters compete only by depleting each other's resource supply are presented. In each case, increasing the supply of limiting nutrients or energy tends to destroy the steady state. Thus man must be very careful in attempting to enrich an ecosystem in order to increase its food yield. There is a real chance that such activity may result in decimation of the food species that are wanted in greater abundance.
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            Handbook of Stochastic Methods

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              Early warnings of regime shifts: a whole-ecosystem experiment.

              Catastrophic ecological regime shifts may be announced in advance by statistical early warning signals such as slowing return rates from perturbation and rising variance. The theoretical background for these indicators is rich, but real-world tests are rare, especially for whole ecosystems. We tested the hypothesis that these statistics would be early warning signals for an experimentally induced regime shift in an aquatic food web. We gradually added top predators to a lake over 3 years to destabilize its food web. An adjacent lake was monitored simultaneously as a reference ecosystem. Warning signals of a regime shift were evident in the manipulated lake during reorganization of the food web more than a year before the food web transition was complete, corroborating theory for leading indicators of ecological regime shifts.
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                Author and article information

                Journal
                Annual Review of Ecology, Evolution, and Systematics
                Annu. Rev. Ecol. Evol. Syst.
                Annual Reviews
                1543-592X
                1545-2069
                December 04 2015
                December 04 2015
                : 46
                : 1
                : 145-167
                Article
                10.1146/annurev-ecolsys-112414-054242
                6bdd8424-79a5-4682-8643-c457e5e90827
                © 2015
                History

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