2000. As new paperback. Spanish Edition. IUCN/SSC Marine Turtle Specialist Group Publication No. 4. Designed to provide guidance for field researchers and conservationists and standardize methodology to allow comparison of data within regions and across ocean basins. Information is provided on a host of issues in seven sections: Overview; Taxonomy and Species Identification; Population and Habitat Assessment; Data Collection and Methods; Reducing Threats; Husbandry, Veterinary Care and Necropsy; and Legislation and Enforcement.