Matagorda Bay 



Shading indicates the number 

 of surveys in which a region 

 was visited out of 6 surveys 

 total. 



□ Surveyed times. 



□ Surveyed 2 times. 

 E Surveyed 3 times. / 



g Surveyed 4 times. 

 Surveyed 5 times. 

 ■ Surveyed 6 times. 



Gulf of Mexico 



Figure 4. Photographic survey effort. May 1992-June 1993. Surveys from July 

 1992-September 1992 are excluded because they are biased for radio tracking. 

 The May 1993 survey is excluded because it ended early due to inclement 

 weather. 



48 



