Acid Rain and the Fate of the Forest Ecosystem
Abstract
In this paper a sixth-order nonlinear dynamical system modelling forest-pests interactions is presented. Forest growth is described by mechanisms of the exchange of carbon and nitrogen between soil and vegetation, and by microbial mineralization. The influence of acid deposition, an increase of which can cause either the decline or the collapse of the forest ecosystem, is discussed. The analysis is carried out by numerically finding the bifurcations of the model.
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