Changes in coastal upwelling linked to variability in marine ecosystem off California

September 18, 2014 6:44 PM

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Changes in coastal upwelling linked to variability in marine ecosystem off California

In findings of relevance to conservationists and the fishing industry, new research links short-term reductions in growth and reproduction of marine animals off the California coast to increasing variability in the strength of coastal upwelling currents—currents that supply nutrients to the region's diverse ecosystem.

Along the west coast of North America, winds lift deep, nutrient-rich water into sunlit surface layers, fueling vast phytoplankton blooms that ultimately support fish, seabirds and marine mammals.

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