Building confidence in projections of the responses of living marine resources to climate change

William W.L. Cheung, Thomas L. Frölicher, Rebecca G. Asch, Miranda C. Jones, Malin L. Pinsky, Gabriel Reygondeau, Keith B. Rodgers, Ryan R. Rykaczewski, Jorge Louis Sarmiento, Charles Stock, James R. Watson

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

The Fifth Assessment Report of the Intergovernmental Panel on Climate Change highlights that climate change and ocean acidification are challenging the sustainable management of living marine resources (LMRs). Formal and systematic treatment of uncertainty in existing LMR projections, however, is lacking. We synthesize knowledge of how to address different sources of uncertainty by drawing from climate model intercomparison efforts. We suggest an ensemble of available models and projections, informed by observations, as a starting point to quantify uncertainties. Such an ensemble must be paired with analysis of the dominant uncertainties over different spatial scales, time horizons, and metrics. We use two examples: (i) global and regional projections of Sea Surface Temperature and (ii) projection of changes in potential catch of sablefish (Anoplopoma fimbria) in the 21st century, to illustrate this ensemble model approach to explore different types of uncertainties. Further effort should prioritize understanding dominant, undersampled dimensions of uncertainty, as well as the strategic collection of observations to quantify, and ultimately reduce, uncertainties. Our proposed framework will improve our understanding of future changes in LMR and the resulting risk of impacts to ecosystems and the societies under changing ocean conditions.

Original languageEnglish (US)
Pages (from-to)1283-1296
Number of pages14
JournalICES Journal of Marine Science
Volume73
Issue number5
DOIs
StatePublished - May 1 2016

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science
  • Ecology

Keywords

  • climate change
  • fisheries
  • marine resources
  • multi-model ensembles
  • projection
  • uncertainty

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