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Auburn University - CSES 5000 - Paper 7 Scheffer
Terms in this set (13)
What is the title?
Catastrophic shifts in ecosystems?
What is the main finding of this paper?
Loss of resilience is the main driver of ecosystem state switches and therefore management should target maintaining resilience
What is the diff btwn stressors and stochastic events?
stressors move ecosystems along the lines, but stochastic events push them over
What do feedback loops encourage ecosystems to do?
Operate at state extremes
What is hysteresis?
the pattern in which the forward and backward switches occur at diff critical conditions
What is first example of ecosystems that state shift?
Lakes: macrophyte and eutrophic
What is the second ecosystem example and what are the states?
coral reefs: healthy coral and algae overtake
What is the third example and what are the states?
Woodlands: grass dominated and woodland
What is the fourth example and what are the states?
Deserts: desert and vegetation
What is the fifth example?
Oceans: experience regime shifts due to climate changes and
What are the 3 emerging patterns of alternative stable states?
organisms of diff life forms, stochastic events that trigger changes, feedback mechanisms
What does the paper cite as the way we should manage state shifts?
efforts to reduce the risk of state shifts should address the gradual changes that affect resilience rather than control disturbances
Building and maintaining ________ of desired ecosystem states is the most pragmatic and effective way to manage ecosystems.
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