Polar ocean ecosystems in a changing world

Details Polar ocean ecosystems in a changing world Polar ocean ecosystems in a changing world

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005natur.437..362s&link_type=abstract

Nature, Volume 437, Issue 7057, pp. 362-368 (2005).

Physics

27

Scientific paper

Polar organisms have adapted their seasonal cycles to the dynamic interface between ice and water. This interface ranges from the micrometre-sized brine channels within sea ice to the planetary-scale advance and retreat of sea ice. Polar marine ecosystems are particularly sensitive to climate change because small temperature differences can have large effects on the extent and thickness of sea ice. Little is known about the interactions between large, long-lived organisms and their planktonic food supply. Disentangling the effects of human exploitation of upper trophic levels from basin-wide, decade-scale climate cycles to identify long-term, global trends is a daunting challenge facing polar bio-oceanography.

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