Oceans—Marine Biome. Oceans cover 70% of Earth Largest carbon sink Five Oceans.
Changing Oceans: A Census-NCEAS collaboration
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Transcript of Changing Oceans: A Census-NCEAS collaboration
Changing Oceans:A Census-NCEAS collaboration
Changing Oceans:A Census-NCEAS collaboration
Boris WormBoris WormRay Hilborn Ray Hilborn Heike LotzeHeike LotzeAndy RosenbergAndy RosenbergJeremy CollieJeremy CollieSimon JenningsSimon JenningsAnd othersAnd others
Major drivers in the anthopoceneMajor drivers in the anthopocene
Modified after Pauly & MacLean 2003, Island Press
Fishing
Eutrophication
Warming
The anthropocene biosphereThe anthropocene biosphere
• From large to smallFrom large to small• From low to high population growthFrom low to high population growth• From vertebrate to invertebrateFrom vertebrate to invertebrate• From benthic to pelagicFrom benthic to pelagic• From rare, specialized to From rare, specialized to
common, cosmopolitancommon, cosmopolitan• From cold- to warm adaptedFrom cold- to warm adapted
Size-based modelsSize-based models
Source: Collie et al. (2008) Can. J. Fish. Aquat. Sci. 65:1352-1365
Source: Collie et al. (2008) Can. J. Fish. Aquat. Sci. 65:1352-1365
Planned outputsPlanned outputs
• Effects of increasing temperature (book Effects of increasing temperature (book chapter, Fall 2009)chapter, Fall 2009)
• Effects of increasing fishing pressure Effects of increasing fishing pressure (NCEAS work, Fall 2009)(NCEAS work, Fall 2009)
• Synthetic review on changes in biomass Synthetic review on changes in biomass and size spectra, causes and and size spectra, causes and consequences (Spring 2010)consequences (Spring 2010)