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All six species of sea turtles found in U.S. waters are listed as endangered or threatened, but the exact population sizes of these species are unknown due to a lack of key information regarding birth and survival rates. The U.S. Endangered Species Act prohibits the hunting of sea turtles and reduces incidental losses from activities such as shrimp trawling and development on beaches used for nesting. However, current monitoring does not provide enough information on sea turtle populations to evaluate the effectiveness of these protective measures.

Sea Turtle Status and Trends reviews current methods for assessing sea turtle populations and finds that although counts of sea turtles are essential, more detailed information on sea turtle biology, such as survival rates and breeding patterns, is needed to predict and understand changes in populations in order to develop successful management and conservation plans.

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Suggested Citation

National Research Council. 2010. Assessment of Sea-Turtle Status and Trends: Integrating Demography and Abundance. Washington, DC: The National Academies Press. https://doi.org/10.17226/12889.

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Publication Info

174 pages |  6 x 9 | 

ISBNs: 
  • Paperback:  978-0-309-15255-6
  • Ebook:  978-0-309-16136-7
DOI: https://doi.org/10.17226/12889
Chapters skim
Front Matter i-xii
Summary 1-10
1 Introduction 11-28
2 Units of Assessment 29-42
3 Conceptual Model of Sea-Turtle Abundance and Demography 43-54
4 Abundance and Trends 55-72
5 Demographic Rates 73-90
6 Integrating Demographic Information with Abundance Estimates 91-108
7 Cross-Cutting Issues:Data, Education, Permits, and Coordination 109-120
8 Conclusions and Recommendations 121-124
References 125-154
A Brief History of Alternative Genetic Markers 155-156
B Population-Structure Models 157-158
C Committee and Staff Biographies 159-162

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