Manipulating the strength of organism-environment feedback increases nonlinearity and apparent hysteresis of ecosystem response to environmental change.

The probability of having a microcosm from the “closed” system in this cluster was marginally significant (logistic regression with LRT: df = 4, deviance = 9.84, Pr(>Chi) = 0.043). 3.3 Empirical results: Nonlinearity of environmental change and system state relationship For DO, during the gradual temperature increase, nonlinearity was greater in replicates with stronger feedback (i.e., those with less gas exchange) (Table 1 ; Figure 7a ).

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When the environmental driver previously followed an increasing trend, we used Y ( E up ) to describe the ecosystem state, and when the environmental driver previously followed a downward trajectory, we used Y ( E down ).

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