Relación entre el tamaño de la tortuga anidadora y el número de huevos puestos por nido por parlama (Lepidochelys olivacea, Eschscholtz, 1829) en el Área de Usos Múltiples Hawaii, Santa Rosa, Guatemala

María Renee Contreras-Mérida; B. Alejandra Morales-Mérida

doi:10.54495/Rev.Cientifica.v29i2.35

Authors

María Renee Contreras-Mérida Facultad de Ciencias Químicas y Farmacia, Universidad de San Carlos de Guatemala
B. Alejandra Morales-Mérida Facultad de Ciencias Químicas y Farmacia, Universidad de San Carlos de Guatemala https://orcid.org/0000-0001-6724-9028

DOI:

https://doi.org/10.54495/Rev.Cientifica.v29i2.35

Keywords:

Lepidochelys olivacea, biology, nesting, size, carapace, eggs, Guatemala

Abstract

Sea turtles spend their entire lives in the ocean, returning to the beaches only at the time they nest. The olive ridley (Lepidochelys olivacea) is one of the species that frequently nest in the Pacific of Guatemala. However, information is needed on both the generalities of sea turtle nesting behavior and the nesting biology of the turtles in the country, so it was sought to 1) determine the relationship between the size of the turtle and the number of eggs in each nest; and 2) explore what type of relationship exists between the size of the turtle and the number of eggs, with the moment (day during the nesting season) when the eggs were layed. This ﬁrst descriptive and exploratory study measured 74 females that nested between the months of June to October in 2017 in the Multiple Use Area Hawaii, Santa Rosa, Guatemala. An average carapace width of 70.7cm (Standar deviation: 2.60; 95% CI of [63 to 77cm]) was obtained and an average of 92 eggs (SD: 15.67; 95% CI of [59 to 120]) per nest. A Generalized Linear Model was made and demonstrated that the width of the carapace of the nesting female and the date on which the eggs were laid have a direct relationship with the number of eggs laid by each nesting turtle (3.715e+00x + 1.670e-04 -4.932e-06; p= 1.12e-3 ; AICc=617.14). The width of the carapace has a direct relationship with the number of eggs, while the moment (day during nesting season) has a second- order polynomial eﬀect, which leads to an increase in the number of eggs as the nesting season progresses, and results in a peak half of the nesting season with a pattern of decline towards the end of it.

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