Bioma : Jurnal Biologi Indonesia
Vol. 21 No. 1 (2025): Bioma

Nesting selection of hawksbill turtles in Kepulauan Seribu, Indonesia in response to sea surface temperatures

Nurhaliza Putri Nabila (Unknown)
Mohamad Isnin Noer (Unknown)
Endang Tatang Hidayat (Unknown)
Tessalonica Christianty Andreina (Unknown)



Article Info

Publish Date
30 Jun 2025

Abstract

Hawksbill turtles are listed as a critically endangered species due to decreasing population caused by various factors, including climate change. Sea surface temperatures have significantly contributed to the hatchling success of hawksbill turtles as poikilothermic species; thus, selecting the proper location to nest is crucial for sea turtles. The purpose of this study was to observe the nest selection of hawksbill turtle (Eretmochelys imbricata Linnaeus, 1766) in response to sea surface temperature (SST) in SPTN II, Kepulauan Seribu, Jakarta, Indonesia. SST data were extracted from AQUA-MODIS satellite imagery, while the excess green index as a proxy of canopy cover was quantified using orthomosaics captured by the DJI Mavic Pro 3 at 100 m high. The results showed that SST in the study area fluctuated between 29.02°C and 31.5°C, with the highest temperature recorded in September 2024. There was no significant correlation between SST and sites selected by hawksbill turtles based on vegetation cover features. However, the correlation trend between SST and vegetation cover features indicated the plasticity of hawksbill turtles in selecting more shaded locations as SST increases. This finding highlighted the importance of vegetation cover to mitigate the detrimental effects of rising temperatures in hawksbill turtles' nesting habitats.

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Journal Info

Abbrev

bioma

Publisher

Subject

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

Description

Bioma is a national peer-reviewed and open access journal that publishes significant and important research from all area of biosciences fields such as biodiversity, biosystematics, ecology, physiology, behavior, genetics and ...