Dynamics of spatial exploitation: A metapopulation approach

Dynamics of spatial exploitation: A metapopulation approach

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Article ID: iaor20023257
Country: United States
Volume: 14
Issue: 3
Start Page Number: 391
End Page Number: 418
Publication Date: Sep 2001
Journal: Natural Resource Modeling
Authors: ,
Keywords: economics, ecology
Abstract:

In this paper we present a bioeconomic model of a harvesting industry operating over a heterogeneous environment comprised of discrete biological populations inter-connected by dispersal processes. The model generalizes the Gordon-Smith model of open-access rent dissipation by accounting for intertemporal and spatial ‘Ricardian’ patterns of exploitation. This model yields a simple, but insightful, framework from which one can investigate factors that contribute to the evolution of resource exploitation patterns over space and time. For example, we find that exploitation patterns are driven by biological and fleet dispersal and biological and economic heterogeneity. We conclude that one cannot really understand the biological processes operating in an exploited system without knowing as much about the harvesting system as about the biological system.

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