Observed clutch frequency (OCF) and estimated clutch frequency (ECF) values were determined for the Green Seaturtle (Chelonia mydas) population that nests at Colola beach, Michoacán, México. Mean OCF and ECF values were 2.5 and 3.1, respectively. The use of the ECF value herein reported to estimate annual number of black turtle nesting females at this rookery decreased by approximately 20% previous population estimates based on OCF values.
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1 March 2003
Clutch Frequency of the Michoacán Green Seaturtle
Javier Alvarado-Díaz,
Ethel Arias-Coyotl,
Carlos Delgado-Trejo
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