Humedad y temperatura en nidos naturales y artificiales de tortuga golfina Lepidochelys olivacea (Eschssholtz 1829)



Document title: Humedad y temperatura en nidos naturales y artificiales de tortuga golfina Lepidochelys olivacea (Eschssholtz 1829)
Journal: Revista de biología marina y oceanografía
Database: PERIÓDICA
System number: 000270930
ISSN: 0717-3326
Authors: 1
Institutions: 1Universidad Autónoma de Sinaloa, Facultad de Ciencias del Mar, Mazatlán, Sinaloa. México
Year:
Season: Dic
Volumen: 42
Number: 3
Pages: 377-383
Country: Chile
Language: Español
Document type: Artículo
Approach: Analítico, descriptivo
English abstract The variation in moisture and temperature was analized in the hatching of olive ridley turtle Lepidochelys olivacea eggs, during the 1992-1993 season in “El Verde” beach (Sinaloa, Mexico). This variation was compared for different incubation environments (natural nests, corrals and polystyrene boxes). The results show that the average temperature was 33.6°C in natural nests, 32.8°C in corral and 32.1°C in boxes. Moisture percentage fell between 59.6% to 23.4% as calculated by the weight method and for saturation of 22.9 mL g-1 to 8.8 mL g-1. Hatching percentage was 67.9% in natural nests, 64.1% in corral and 46.9% in boxes. A granulometric study of sand showed differences in sand grain for nests areas. For this season the incubation average temperature was 32.7°C; for this reason, the hatchlings were females. The moisture levels registered in each incubation environment in this experiment apparently were not a determinant factor for the hatching success
Disciplines: Biología
Keyword: Anfibios y reptiles,
Reproducción y desarrollo,
Nidos,
Humedad,
Temperatura,
Nidos artificiales,
Incubación,
Tortuga golfina,
Lepidochelys olivacea,
Lepidochelydae
Keyword: Biology,
Amphibians and reptiles,
Reproduction and development,
Nests,
Moisture,
Temperature,
Artificial nests,
Incubation,
Olive ridley turtle,
Lepidochelys olivacea,
Lepidochelydae
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