Parameter space exploration of ecological models

Abstract

In recent years, we are seeing the formulation and use of elaborate and complex models in ecological studies. The questions related to the efficient, systematic and error-proof exploration of parameter spaces are of great importance to better understand, estimate confidences and make use of the output from these models. In this work, we investigate some of the relevant questions related to parameter space exploration, in particular using the technique known as Latin Hypercube Sampling and focusing in quantitative output analysis. We present the analysis of a structured population growth model and contrast our findings with results from previously used techniques, known as sensitivity and elasticity analyses. We also assess how are the questions related to parameter space analysis being currently addressed in the ecological literature.