CA/OR Drift Gillnet - Cordell Bank National Marine Sanctuary - NOAA
CA/OR Drift Gillnet - Cordell Bank National Marine Sanctuary - NOAA
CA/OR Drift Gillnet - Cordell Bank National Marine Sanctuary - NOAA
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Pacific Leatherback Decline<br />
Malaysia<br />
15000<br />
10000<br />
y = 9297.9e -0.1511x<br />
R 2 = 0.922<br />
• >95% decline since 1980 at all<br />
4 rookeries:<br />
• Nesting females (2002):<br />
5000<br />
0<br />
1968<br />
1971<br />
1983<br />
1986<br />
1998<br />
Mexico ~ 45<br />
Costa Rica ~ 5<br />
Malaysia 2<br />
Indonesia ~ 900?<br />
6000<br />
5000<br />
4000<br />
3000<br />
2000<br />
1974<br />
1977<br />
1980<br />
Mexico (Pacific)<br />
1989<br />
1992<br />
1995<br />
y = 8961.2e -0.279x<br />
R 2 = 0.7292<br />
y = 1487.5e -0.2552x<br />
R 2 = 0.6179<br />
Mexiquillo<br />
Chacahua<br />
• Overall fewer than 1500<br />
estimated nesting females in<br />
the entire Pacific in 2002!<br />
H.C. Liew, Laura Sarti, Scott Eckert, Jim Spotila<br />
1000<br />
0<br />
1984<br />
1986<br />
1988<br />
1990<br />
1992<br />
1994<br />
1996<br />
1998
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