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2021 | 154 | 48-65
Article title

The Influence of Tidal on the Nesting Activity of Green Turtle (Chelonia mydas (Linnaeus, 1758)) at Pangumbahan Beach, Sukabumi Regency, West Java, Indonesia

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EN
Green turtles (Chelonia mydas (Linnaeus, 1758)) take advantage of the sand beach area as a stopover and carry out biological activities such as nesting and laying eggs. Pangumbahan Beach is one of the green turtle conservation places which is directly adjacent to the Indian Ocean. Tides affect physical processes such as the flushing of seawater on to the coast due to waves and flushing of water masses in estuaries, lagoons, and bays. This research aims to determine the effect of tides on the Green Turtle's nesting activity (Chelonia mydas). This research was conducted in July-September 2020, using observation and survey methods, and was analyzed descriptively. The data used include beach width, beach slope, tidal data, and landing data for Green Turtle (Chelonia mydas). A type of beach with a slope of 1.77° - 5.77° with an overall average of 3.4°, the Formzahl number value obtained at tide is 0.55, indicating the mixed type tidal type tends to double daily (Mixed, predominantly semi-diurnal tide). The results of this study indicate that the landing times and the formation of green turtle nests (Chelonia mydas) do not correlate with rising tides. The average effect of tides on green turtle egg-nesting activity (Chelonia mydas) was 0.111%, while the tidal effect on green turtle nesting activity (Chelonia mydas) was 4.09%. The highest frequency of Green Turtle (Chelonia mydas) nesting activity occurred between 22:00 and 02:00.
Discipline
Year
Volume
154
Pages
48-65
Physical description
Contributors
  • Faculty of Fisheries and Marine Sciences, University Padjadjaran, Jatinangor, Sumedang 45363, West Java, Indonesia
  • Faculty of Fisheries and Marine Sciences, University Padjadjaran, Jatinangor, Sumedang 45363, West Java, Indonesia
  • Faculty of Fisheries and Marine Sciences, University Padjadjaran, Jatinangor, Sumedang 45363, West Java, Indonesia
author
  • Faculty of Fisheries and Marine Sciences, University Padjadjaran, Jatinangor, Sumedang 45363, West Java, Indonesia
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Document Type
article
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Identifiers
YADDA identifier
bwmeta1.element.psjd-f8ed586e-2e94-4b95-90a8-6f400d7f5e33
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