Wrangell Sentinel -

SAN FRANCISCO (AP) – Warming seas will likely send West Coast fish species northward by about 20 miles a decade, and some species probably will disappear from southern ranges off California and Oregon, a new study says.

The study, in the January issue of Progress in Oceanography, projects how 28 West Coast species ranging from sharks to salmon will react as greenhouse gases warm the surface of the Pacific Ocean.

Warm-water species such as thresher sharks and chub mackerel will become more prominent off British Columbia and in the Gulf of Alaska, the study predicted. Food webs and behavior

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