Impacts of Biodiversity Loss on Ocean Ecosystem Services

January 17, 2006 - Worm, Boris; Barbier, Edward B.; Beaumont, Nicola; Duffy, J. Emmett; Folke, Carl; Halpern, Benjamin S.; Jackson, Jeremy B.C.; Lotze, Heike K.; Micheli, Fiorenza; Palumbi, Stephen R.; Sala, Enric; Selkoe, Kimberley A.; Stachowicz, John J.; Watson, Reg

Journal or Book Title: Science

Keywords: Biodiversity; Fishery data; Nature conservation; Population dynamics; Potential resources; Restoration; Species diversity; Water quality

Volume/Issue: 314/5800

Page Number(s): 787-790

Year Published: 2006

Human-dominated marine ecosystems are experiencing accelerating loss of populations and species, with largely unknown consequences. We analyzed local experiments, long-term regional time series, and global fisheries data to test how biodiversity loss affects marine ecosystem services across temporal and spatial scales. Overall, rates of resource collapse increased and recovery potential, stability, and water quality decreased exponentially with declining diversity. Restoration of biodiversity, in contrast, increased productivity fourfold and decreased variability by 21%, on average. We conclude that marine biodiversity loss is increasingly impairing the oceans capacity to provide food, maintain water quality, and recover from perturbations. Yet available data suggest that at this point, these trends are still reversible.

URL: Impacts of Biodiversity Loss

DOI: 10.1126/science.1132294

Type of Publication: Journal Article

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Tag List
  • biodiversity,
  • coupled human and natural systems,
  • fishery data,
  • nature conservation,
  • population dynamics,
  • potential resources,
  • restoration,
  • species diversity,
  • water quality
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