Grazing management, resilience, and the dynamics of a fire-driven rangeland system

Research output: Contribution to journalArticle

187 Scopus citations

Abstract

We developed a stylized mathematical model to explore the effects of physical, ecological, and economic factors on the resilience of a managed fire-driven rangeland system. Depending on grazing pressure, the model exhibits one of three distinct configurations: a fire-dominated, grazing-dominated, or shrub-dominated rangeland system. Transaction costs and costs due to shrub invasion, via their effect on grazing decisions, strongly influence which stable configuration is occupied. This, in turn, determines the resilience of the rangeland system. These results are used to establish conditions under which management for profit is consistent with the maintenance of resilience.

Original languageEnglish (US)
Pages (from-to)23-44
Number of pages22
JournalEcosystems
Volume5
Issue number1
DOIs
StatePublished - Jan 1 2002
Externally publishedYes

Keywords

  • Complex systems
  • Multiple states
  • Rangelands
  • Resilience

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Environmental Chemistry
  • Ecology

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