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Title: Manual for the monitoring of sea turtles in the Cape Verde Islands
Authors: Marco, Adolfo
Abella Pérez, Elena
Liria-Loza, Ana 
Martins, Samir
Loureiro, Nuno de Santos
López-Jurado, Luis Felipe 
UNESCO Clasification: 24 Ciencias de la vida
2401 Biología animal (zoología)
240116 Herpetología
240119 Zoología marina
Issue Date: 2012
Abstract: To actively protect sea turtles on their nesting beaches, it is essential to obtain knowledge about trends in abundance. The way sea turtles live makes it extremely difficult to identify how many individuals there are in a population at any point in time. Due to practical problems, given their entirely marine life with limited visibility and great oceanic dispersal, counting males or juveniles is currently quite difficult and imprecise. Counting females and nests on beaches during the nesting season is the best feasible but still imperfect method, since only an unknown portion of adult females nest every season. It is impossible to know the real number of females in the population by merely counting females and nests in a given year.
Source: Zoologia Caboverdiana. Sociedade Caboverdiana de Zoologia, 2012. Vol.3, Special Issue. Pag. 1-23. ISSN: 2074-5737
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