Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems

Andrew Bakun, B. A. Black, S. J. Bograd, M. García-Reyes, A. J. Miller, R. R. Rykaczewski, W. J. Sydeman

Research output: Contribution to journalReview article

105 Citations (Scopus)

Abstract

Ecosystem productivity in coastal ocean upwelling systems is threatened by climate change. Increases in spring and summer upwelling intensity, and associated increases in the rate of offshore advection, are expected. While this could counter effects of habitat warming, it could also lead to more frequent hypoxic events and lower densities of suitable-sized food particles for fish larvae. With upwelling intensification, ocean acidity will rise, affecting organisms with carbonate structures. Regardless of changes in upwelling, near-surface stratification, turbulent diffusion rates, source water origins, and perhaps thermocline depths associated with large-scale climate episodes (ENSO) maybe affected. Major impacts on pelagic fish resources appear unlikely unless couples with overfishing, although changes toward more subtropical community composition are likely. Marine mammals and seabirds that are tied to sparsely distributed nesting or resting grounds could experience difficulties in obtaining prey resources, or adaptively respond by moving to more favorable biogeographic provinces.

Original languageEnglish (US)
Pages (from-to)85-93
Number of pages9
JournalCurrent Climate Change Reports
Volume1
Issue number2
DOIs
StatePublished - Jun 1 2015

Fingerprint

upwelling
climate change
ecosystem
turbulent diffusion
pelagic fish
overfishing
marine mammal
ocean
resource
seabird
thermocline
El Nino-Southern Oscillation
community composition
acidity
advection
stratification
warming
larva
carbonate
productivity

Keywords

  • Climate change
  • Eastern boundary upwelling systems
  • Ecosystem effects
  • Hypoxia
  • Ocean acidity
  • Upwelling efficacy

ASJC Scopus subject areas

  • Global and Planetary Change
  • Atmospheric Science

Cite this

Bakun, A., Black, B. A., Bograd, S. J., García-Reyes, M., Miller, A. J., Rykaczewski, R. R., & Sydeman, W. J. (2015). Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems. Current Climate Change Reports, 1(2), 85-93. https://doi.org/10.1007/s40641-015-0008-4

Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems. / Bakun, Andrew; Black, B. A.; Bograd, S. J.; García-Reyes, M.; Miller, A. J.; Rykaczewski, R. R.; Sydeman, W. J.

In: Current Climate Change Reports, Vol. 1, No. 2, 01.06.2015, p. 85-93.

Research output: Contribution to journalReview article

Bakun, A, Black, BA, Bograd, SJ, García-Reyes, M, Miller, AJ, Rykaczewski, RR & Sydeman, WJ 2015, 'Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems', Current Climate Change Reports, vol. 1, no. 2, pp. 85-93. https://doi.org/10.1007/s40641-015-0008-4
Bakun A, Black BA, Bograd SJ, García-Reyes M, Miller AJ, Rykaczewski RR et al. Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems. Current Climate Change Reports. 2015 Jun 1;1(2):85-93. https://doi.org/10.1007/s40641-015-0008-4
Bakun, Andrew ; Black, B. A. ; Bograd, S. J. ; García-Reyes, M. ; Miller, A. J. ; Rykaczewski, R. R. ; Sydeman, W. J. / Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems. In: Current Climate Change Reports. 2015 ; Vol. 1, No. 2. pp. 85-93.
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