An exploratory integrated model to assess management of lake eutrophication

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

Ecosystem management requires the explicit treatment of interactions between humans and ecosystems. An exploratory model for integrating social and ecological dynamics was introduced to study ecosystem management strategies. This paper focuses on the management of lake eutrophication. The model was developed to include the dynamics of the lake, the behaviour of agents using phosphorus for agricultural purposes, and the interactions between ecosystem and farmers. Analyses with the model showed that the dominating type of cognitive processing was a relevant factor in the response to uncertainty and policy measures. A higher target level for returns on the use of phosphorus was found to lead to a more intensive use of phosphorus and to higher levels of phosphorus in the lake. Simulated farmers used phosphorus more intensively in situations with high natural variability. A tax on phosphorus had little effect on the behaviour of the farmers when they felt uncertain and had low target levels for returns.

Original languageEnglish (US)
Pages (from-to)111-124
Number of pages14
JournalEcological Modelling
Volume140
Issue number1-2
DOIs
StatePublished - May 30 2001
Externally publishedYes

Keywords

  • Eutrophication
  • Integrated modelling
  • Lake management
  • Multi-agent modelling
  • Resilience
  • Social psychology

ASJC Scopus subject areas

  • Ecological Modeling

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