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All Journal Journal of Science and Applicative Technology Biocaster : Jurnal Kajian Biologi
Rizki Dimas Permana
Program Studi Sains Lingkungan Dan Kelautan, Jurusan Sains, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan, Lampung 35365, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Engineering Immunology & microbiology Materials Science & Nanotechnology Mechanical Engineering

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Potassium Cyanide (KCN) Content in Coral Reefs and Its Effect on The Abundance of Indicator-Fishes in The Anambas Islands Rizki Dimas Permana; Sunarto Sunarto; Syawalludin Alisyahbana Harahap; Indah Riyantini; Yuwanda Ilham
Journal of Science and Applicative Technology Vol 5 No 1 (2021): Journal of Science and Applicative Technology June Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM), Institut Teknologi Sumatera, Lampung Selatan, Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/jsat.v5i1.381

Abstract

The coral reef ecosystem has been continuously degraded in various parts of Indonesia, including the Anambas Islands. This research aimed to discover the content of Potassium Cyanide (KCN) accumulated on corals and the effect on indicator fishes abundance in the Anambas Islands. This research was conducted at 25 observation stations in the Anambas Islands National Marine Protected Area. The potassium cyanide (KCN) content was tested with the principle of titration and distillation. The coral samples used ranged from 10-20 g diluted in 100-200 ml distilled water. The method used to determine the abundance of indicator fish was underwater visual census or UVC, which recorded fish in every station. This research recorded 307 fish individuals from 14 species of the Chaetodontidae family. Potassium Cyanide's content on corals was high ranging from 0,009-0,032 mg/L with an average 0,0205 mg/L. We concluded that there was a negative correlation between the content of Potassium Cyanide (KCN) on corals and indicator fishes abundance, which means the higher the Potassium Cyanide content (KCN) is on corals, the lower the indicator fishes abundance will point out.
Keragaman Jenis Mamalia di Kawasan Ekowisata Mangrove Cukunyinyi Kabupaten Pesawaran Mhd Muhajir Hasibuan; Nurika Arum Sari; Mohammad Ashari Dwiputra; Rizki Dimas Permana; Firma Rianingsih; Alfian Zamzami Adirama; Oka Rani Witjaya; Abdi Oktarian Zamili; Paolo M. Nainggolan; Adi Aryawan; Ajis Purnomo; Bambang Sudarsono; Hamdani Hamdani; Achmad Chalid Alif Afif Alfajrin
Biocaster : Jurnal Kajian Biologi Vol. 3 No. 4 (2023): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian (LP3) Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v3i4.210

Abstract

Mangrove ecosystems are important coastal ecosystems that provide a variety of functions. Mangrove ecosystems provide a variety of environmental services including absorbing carbon and contributing to climate change mitigation, protecting coastal areas from storms, tsunamis, and erosion. In addition to providing a variety of environmental services, these ecosystems are also habitats for a variety of living organisms, both aquatic and terrestrial, resident and migrant, also nationally and internationally protected species. The benefits provided by mangrove are contrast to the rate of degradation, which has the potential for loss of wildlife habitat and a decrease in biodiversity value, especially mammals. This study was conducted to analyse the value of biodiversity, especially mammals in the Mangrove Ecotourism Area, Pesawaran Regency. This study uses the method of line transects, mist nets, and sound identification. The results of the study recorded 6 species of mammals with a species diversity value (H') of 1.46, richness of 1.60, evenness of 0.72, and species dominance of 0.30. Mammal species diversity inside the ecotourism area is higher than outside the area. Protected mammals are not found in the area.
Co-Authors Abdi Oktarian Zamili Achmad Chalid Alif Afif Alfajrin Adi Aryawan Ajis Purnomo Alfian Zamzami Adirama Bambang Sudarsono Firma Rianingsih Hamdani Hamdani Indah Riyantini Mhd Muhajir Hasibuan Mohammad Ashari Dwiputra Nurika Arum Sari Oka Rani Witjaya Paolo M. Nainggolan sunarto sunarto Syawalludin Alisyahbana Harahap Yuwanda Ilham