Changing Oceans: A Census-NCEAS collaboration

Jan 07, 2026

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"Changing Oceans" is a collaborative effort among notable researchers addressing the significant drivers affecting marine ecosystems in the Anthropocene era, such as fishing, warming, and eutrophication. This work highlights the dramatic shifts in biodiversity and ecosystem structure, transitioning from large to small species, and from cold to warm-adapted organisms. Future outputs will include insightful analyses on temperature impacts and fishing pressures, alongside a synthetic review on changes in biomass and size spectra. This comprehensive study aims to provide a clearer understanding of our changing oceans.

1 ocean ecosystems 2 anthropocene drivers 3 biodiversity shifts 4 fishing pressure 5 temperature effects 6 eutrophication impacts 7 size spectra 8 marine research text

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Changing Oceans: A Census-NCEAS collaboration

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Changing Oceans:A Census-NCEAS collaboration Boris Worm Ray Hilborn Heike Lotze Andy Rosenberg Jeremy Collie Simon Jennings And others
Major drivers in the anthopocene Fishing Warming Eutrophication Modified after Pauly & MacLean 2003, Island Press
The anthropocene biosphere • From large to small • From low to high population growth • From vertebrate to invertebrate • From benthic to pelagic • From rare, specialized to common, cosmopolitan • From cold- to warm adapted
Size-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 outputs • Effects of increasing temperature (book chapter, Fall 2009) • Effects of increasing fishing pressure (NCEAS work, Fall 2009) • Synthetic review on changes in biomass and size spectra, causes and consequences (Spring 2010)