Plant and animal range shifts and population changes
U.S. West Coast
Sea bird population decline. A decline of about 90 percent in sooty shearwaters from 1987 to 1994 corresponds to a warming of the California Current of about 1.4oF (0.78oC).
Reference: Viet, R. A., J. A. McGowan, D. G. Ainley, T. R. Wahl, and P. Pyle. 1997. Apex marine predator declines ninety percent in association with changing oceanic climate. Global Change Biology 3: 23-28.
