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Journal : HAYATI Journal of Biosciences

Reef Fish in the Mudflats of Kaledupa Island in Wakatobi National Park, Indonesia Ernik Yuliana; Adi Winata; Hasan Eldin Adimu; Yuni Tri Hewindati; Wibowo A. Djatmiko
HAYATI Journal of Biosciences Vol. 29 No. 2 (2022): March 2022
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.29.2.245-254

Abstract

Although frequently described as low-fertility or low-productivity habitat, coastal mudflats serve as important feeding grounds for fish. Many fish species from adjacent coral reefs, seagrass beds, or mangroves foraging periodically in mudflats. Because of this foraging behaviour, some local fishermen are known to utilize the mudflats to catch fish. However, the impact of this catching activities to the ecosystem has not been fully discovered. An examination of the fish community structure and levels of environmental stress had carried out in the mudflat ecosystem of the coast of Kaledupa Island in Wakatobi National Park (WNP), Indonesia. Two mudflat study sites were selected from the shore of Balasuna and Tampara villages located between mangroves and coral reefs. Data were sampled from the fish catch of local fishermen using fish fences (sero) installed in each mudflat area. Fish community structure was analyzed using diversity index and index of relative importance (IRI). ABC curves and species exploitation rate were used to assess the local environmental pressure. A total of 74 fish species were recorded from the mudflats of Kaledupa, which was found to be dominated by reef-associated fish species, comprising 63 species and accounting for 85% of the total catch. Additionally, although both sites had relatively high reef fish diversity, the obtained Clarke’s W-statistic values were approximately 0, indicating that the local fish communities presented moderate levels of disturbance. Three out of five fish species with the highest IRI values were found to be over-exploited, namely Siganus canaliculatus, Lethrinus ornatus, and Lethrinus variegatus.
Co-Authors ABDUL HAMID Abdul Muis Balubi Abdullah Adi Imam Wahyudi Adi Winata Adibrata, Sudirman Adimu, Andi Asmaul Husna Adimu, Halili Adimu, Hasnia Adimu, Moh Nuh Ibrahim Adimu, Wanurgaya Aditya Hikmah Nugraha Aditya Hikmat Nugraha Agusriyadin, Agusriyadin Al Azhar Ardiansyah, M. Ipal Ari Anggoro Arif Prasetya Arman Pariakan Asni Asni Asriyana, . Ati Rahadiati Ati Rahadiati Ati Rahadiati, Ati Awal, Samsi Benny Khairuddin Benny Khairuddin Bustang Bustang Citra Kusuma, Luh Putu Ayu Savitri Dedy Oetama Ermayanti Ishak Ermayanti Ishak, Ermayanti Ernik Yuliana Faradisa Anindita Farid Yasidi Fatmawati Fatmawati Fekri, Laifa Fitra Wira Hadinata Gaby Nanda Kharisma Galib, Muliani Hafsaridewi, Rani Halili Halili Harimudin, Jamal Hasidu, La Ode Abdul Fajar Haya, La Ode Muhammad Hewindati, Yuni Tri Ilham Antariksa Tasabaramo Ilham Antariksa Tasabaramo, Ilham Antariksa ira Juhardin, Juhardin Kamur, Sudarwin Kangkuso Analuddin, Kangkuso Khairuddin, Benny La Ode Adi Parman Rudia La Ode Adiparman Rudia La Ode Alirman Afu, La Ode Alirman La Ode Muhamad Hazairin Nadia Landu, Anti Latifa Fekri Lely Okmawaty Anwar Luh Putu Ayu Savitri Citra Kusuma Maharani Maharani Mangura, Wa Ode Intiyani Muhamad Jalil Baari Muhammad Aswar Limi Muhammad Ramli Muhammad Syaiful Muliani Galib Muskita, Wellem H Mustam Mustam MUSTARI Nabila Maulidia Neksidin, Neksidin Nikanor Hersal Armos Ninef, Jotham S.R. Nur, Indriyani Nurgayah, Wa Oxy Ramadhani Perangin-angin, Robet Petrus C. Makatipu Putri Cahyani Putri Delilah Awaliyah Putri Grace Simamora Ramad Arya Fitra Ramlah S Ramlah Saleh Ramlah Saleh Rani Hafsaridewi Rani Hafsaridewi Riska Riska Romy Ketjulan, Romy Sabilu, Kadir Saenuddin Saenuddin Saleh, Ramlah Salwiyah Sekri, Latifa Sri Fatma Sari Sri Murtini Sri Rezeki Sukrin, Simun Tezza Fauzan Utama K. Pangerang Wa Ode Nanang Trisna Dewi Wibowo A. Djatmiko Yasidi, Farid Yundari, Yundari Yusnaini Yusnaini Yusuf, Dewi Nurhayati Zulfathri Randhi