Trade-offs associated with different modeling approaches for assessment of fish and shellfish responses to climate change

Anne Babcock Hollowed, Enrique N. Curchitser, Charles A. Stock, Chang Ik Zhang

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Considerable progress has been made in integrating carbon, nutrient, phytoplankton and zooplankton dynamics into global-scale physical climate models. Scientists are exploring ways to extend the resolution of the biosphere within these Earth system models (ESMs) to include impacts on global distribution and abundance of commercially exploited fish and shellfish. This paper compares different methods for modeling fish and shellfish responses to climate change on global and regional scales. Several different modeling approaches are considered including: direct applications of ESM's, use of ESM output for estimation of shifts in bioclimatic windows, using ESM outputs to force single- and multi-species stock projection models, and using ESM and physical climate model outputs to force regional bio-physical models of varying complexity and mechanistic resolution. We evaluate the utility of each of these modeling approaches in addressing nine key questions relevant to climate change impacts on living marine resources. No single modeling approach was capable of fully addressing each question. A blend of highly mechanistic and less computationally intensive methods is recommended to gain mechanistic insights and to identify model uncertainties.

Original languageEnglish (US)
Pages (from-to)111-129
Number of pages19
JournalClimatic Change
Volume119
Issue number1
DOIs
StatePublished - Jul 2013

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Atmospheric Science

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