Bio-economic resource management under threats of environmental catastrophes

Yacov Tsur, Amos Zemel

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

1 Scopus citations


We combine ecological and economic dynamics to study the management of a natural resource that supports both ecosystem and human needs. Shrinking the resource base introduces a threat of occurrence of catastrophic ecological events, such as sudden ecosystem collapse. The occurrence conditions involve uncertainty of various types, and the distinction among these types is important for optimal resource management. When uncertainty is due to our ignorance of some aspects of the underlying ecology, the isolated equilibrium states characterizing optimal exploitation for many renewable resource problems become equilibrium intervals. Genuinely stochastic events shift the optimal equilibrium states, but maintain the structure of isolated equilibria.

Original languageEnglish
Title of host publicationSustainability and Diversity of Forest Ecosystems
Subtitle of host publicationAn Interdisciplinary Approach
PublisherSpringer Japan
Number of pages8
ISBN (Print)9784431732372
StatePublished - 1 Dec 2007


  • Biodiversity
  • Ecosystem dynamics
  • Event uncertainty
  • Extinction
  • Resource management


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