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Exploring local adaptation and the ocean acidification seascape – studies in the California Current Large Marine Ecosystem Public Deposited

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  • The California Current Large Marine Ecosystem (CCLME), a temperate marine region dominated by episodic upwelling, is predicted to experience rapid environmental change in the future due to ocean acidification. The aragonite saturation state within the California Current System is predicted to decrease in the future with near-permanent undersaturation conditions expected by the year 2050. Thus, the CCLME is a critical region to study due to the rapid rate of environmental change that resident organisms will experience and because of the economic and societal value of this coastal region. Recent efforts by a research consortium – the Ocean Margin Ecosystems Group for Acidification Studies (OMEGAS) – has begun to characterize a portion of the CCLME; both describing the spatial mosaic of pH in coastal waters and examining the responses of key calcification-dependent benthic marine organisms to natural variation in pH and to changes in carbonate chemistry that are expected in the coming decades. In this review, we present the OMEGAS strategy of co-locating sensors and oceanographic observations with biological studies on benthic marine invertebrates, specifically measurements of functional traits such as calcification-related processes and genetic variation in populations that are locally adapted to conditions in a particular region of the coast. Highlighted in this contribution are (1) the OMEGAS sensor network that spans the west coast of the US from central Oregon to southern California, (2) initial findings of the carbonate chemistry amongst the OMEGAS study sites, and (3) an overview of the biological data that describes the acclimatization and the adaptation capacity of key benthic marine invertebrates within the CCLME.
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  • Hofmann, G. E., Evans, T. G., Kelly, M. W., Padilla-Gamiño, J. L., Blanchette, C. A., Washburn, L., Chan, F., McManus, M. A., Menge, B. A., Gaylord, B., Hill, T. M., Sanford, E., LaVigne, M., Rose, J. M., Kapsenberg, L., and Dutton, J. M.: Exploring local adaptation and the ocean acidification seascape – studies in the California Current Large Marine Ecosystem, Biogeosciences, 11, 1053-1064, doi:10.5194/bg-11-1053-2014, 2014.
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  • 11
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  • 4
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  • This research was funded by US National Science Foundation grant (NSF OCE-1040960) to the Ocean Margins Ecosystem Group for Acidification Studies (OMEGAS), a consortium of scientists from different institutions along the US west coast (see http://omegas.science.oregonstate.edu/), by funds from NSF grant IOS-1021536 to G. E. Hofmann and by funds from the University of California in support of a multi-campus research program, Ocean Acidification: A Training and Research Consortium (http://oceanacidification.msi.ucsb.edu/), to G. E. Hofmann, E. Sanford, B. Gaylord, and T. M Hill. Research presented here was also supported in part by grants from the David and Lucile Packard Foundation to the Partnership for Interdisciplinary Studies of Coastal Oceans (PISCO) consortium (http://piscoweb.org).
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  • description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2014-05-16T20:49:29Z (GMT) No. of bitstreams: 2 license_rdf: 1370 bytes, checksum: cd1af5ab51bcc7a5280cf305303530e9 (MD5) ChanFrancisZoologyExploringLocalAdaptation.pdf: 1853466 bytes, checksum: b06cdfd27c8f5717af25b691adc07b76 (MD5)
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