Frans Tony, Soemarno Soemarno, Dewa G. K. Wiadnya, Luchman Hakim
The ecosystem of coral reefs is a fundamental process for marine resources playing an important role in supporting the lives of various aquatic organisms, with coral reef fish being one of the main dependent sea animals. The current study was purposely undertaken to assess coral reef fish biodiversity and its association with coral coverage on Halang Melingkau Island, Kotabaru, South Kalimantan, Indonesia. This research was conducted in April 2019 on Halang Melingkau Island, Kotabaru, South Kalimantan, Indonesia. The research was carried out at 6 stations with 18 observation points that were considered to be representative of the conditions of coral reefs and coral reef fish in the waters of the island. The field observation method was applied by laying down 50-meter line transects (line intercept transects) and using visual census (underwater visual census) to obtain data concerning fish and coral populations. The findings indicated that the average coral reef coverage in Halang Melingkau Island was moderate ( 33.77%), and it was remarkable that station 6 had the best coral reef coverage ( 53.71%) . Additionally, station 6 possessed the highest fish population as well as the highest number of fish species. Findings of the present study predict that correlation analysis indicated a strong positive correlation between coral coverage and the abundance of coral reef fish. In this essence, when the coral coverage increases, the coral reef fish abundance would also increase. Simultaneously, a decrease in the coral reef coverage in a specific location could result in the decrease in the abundance of coral reef fish. © 2021, Egyptian Society for the Development of Fisheries and Human Health. All rights reserved.
Agruculture Science Department, Universitas Brawijaya, Indonesia; Department of Marine Science, Faculty of Fisheries and Marine, Universitas Lambung Mangkurat, South Kalimantan, Indonesia; Department of Agroecotechnology, Faculty of Agriculture, Universitas Brawijaya, Indonesia; Department of Fisheries and Marine Resources Utilization, Faculty of Fisheries and Marine Science, Universitas Brawijaya, East Java, Indonesia; Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Brawijaya, East Java, Indonesia
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