4

 

Abundance and Trends

 

55

   

 Review of Techniques for Measuring Population Trends at Nesting Beaches,

 

55

   

 Review of Techniques for Measuring Population Trends in Oceanic and Neritic Habitats,

 

59

   

 Conclusions and Recommendations,

 

68

5

 

Demographic Rates

 

73

   

 Breeding Rates and Adult-Recruitment Probabilities,

 

74

   

 Fecundity,

 

75

   

 Survival Probabilities,

 

79

   

 Dispersal Probabilities,

 

81

   

 Somatic Growth and Age at Sexual Maturity,

 

83

   

 Sex Ratios,

 

84

   

 Density Dependence,

 

84

   

 Strandings Data,

 

86

   

 Recommendations,

 

89

6

 

Integrating Demographic Information with Abundance Estimates

 

91

   

 Models for Population Assessment,

 

92

   

 Tools for Assessment,

 

92

   

 Trend Evaluation and Extinction Risk,

 

93

   

 Assessment Procedures for Scientific Review of Data and Models,

 

100

   

 Conclusions,

 

106

   

 Recommendations,

 

107

7

 

Cross-Cutting Issues: Data, Education, Permits, and Coordination

 

109

   

 Data Management,

 

109

   

 Education and Capacity Building,

 

114

   

 Allocation of Management and Research Funds,

 

116

   

 Permitting,

 

116

   

 Recommendations,

 

118

8

 

Conclusions and Recommendations

 

121

 

 

References

 

125

 

 

Appendixes

 

 

   

 A  Brief History of Alternative Genetic Markers

 

155

   

 B  Population-Structure Models

 

157

   

 C  Committee and Staff Biographies

 

159



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