Direct and Indirect Parametrization of a LocalizedModel for the Mountain Pine Beetle – Lodgepole Pine System

Document Type

Article

Journal/Book Title/Conference

Ecological Modelling

Volume

129

Publication Date

2000

First Page

273

Last Page

296

Abstract

The dynamic interaction between mountain pine beetles (MPB) and one of its hosts is reviewed briefly. The ‘local’ projection of a partial differential equation model describing this interaction is employed in model parameter estimation. Methods and assumptions for estimating non-fitted parameter values are given. Assigning values to non-fitted parameters, direct and indirect parametrization techniques are employed to estimate remaining parameter values. The indirect method is quickly and easily applied to many data sets but requires some assumptions and model simplifications. The direct method requires fewer assumptions but is computationally intensive. The results of these two techniques are compared and evaluated.

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