Thursday, November 20, 2008
Brave New Ocean
A frightening new study released about the state of our oceans. Authored by Jeremy B. C. Jackson - Center for Marine Biodiversity and Conservation, Scripps Institution of Oceanography, University of California at San Diego.
Jackson compares the current loss of species to the mass extinctions of the fossil record stating that human impacts are laying the groundwork for a comparable mass extinction in the oceans with unknown ecological and evolutionary consequences.
He concludes by saying “Halting and ultimately reversing these trends will require rapid and fundamental changes in fisheries, agricultural practice, and the emissions of greenhouse gases on a global scale.”
Some disturbing numbers are included in the article:
Percent decline (biomass, catch, percent cover) for fauna and flora from various marine environments
Large whales 85% loss globally
Small whales 59% loss globally
Seabirds 57% loss globally
Shorebirds 61% loss globally
Sea Turtles 87 % loss globally
Sea Grass 65% loss globally
Oysters 91 % loss globally
Corals 61% loss globally
Atlantic cod 96% loss Scotian Shelf since 1900
To view full report: http://www.pnas.org/content/105/suppl.1/11458
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