Ainley and others 



Chapter 34 



Offshore Occurrence Patterns in Central California 



APR1L 1988 



A /V 



JUNE 1986 ENSO 



JUNE 1988 



IJMt. 



APRIL 1987 



JUNE 1989 



1JMI_ 



JUNE 1987 



JUNE 1990 



Figure 1A and B The coast of San Mateo and Santa Cruz counties showing transect lines and number of 

 murrelets seen within 300 m of the vessel during surveys, 1 986-1 994. A small circle = 1 bird, medium circle = 2- 

 5 birds, and large circle = >5 birds; the star designates the breeding area. The upper panel of 1 A gives localities 

 mentioned in the text; shaded ocean areas in other panels indicate where sea-surface temperature is the lowest 

 in the region as indicated in degrees centigrade. ENSO indicates an El Nino-Southern Oscillation condition. 



362 



USDA Forest Service Gen. Tech. Rep. PSW-152. 1995. 



