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All Journal Jurnal Laot Ilmu Kelautan Jurnal Kelautan dan Perikanan Indonesia
Maria Ulfah
Program Studi Ilmu Kelautan, Fakultas Kelautan dan Perikanan, Universitas Syiah Kuala
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Social Sciences Veterinary

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Degradasi Ekosistem Lamun di Perairan Ahmad Rhang Manyang, Kabupaten Aceh Besar Muhammad Rizki Fazillah; Muhammad Agustiar; Rauzatul Sakinah; Nanda Muhammad Razi; Chitra Octavina; Maria Ulfah
Jurnal Laot Ilmu Kelautan Vol 3, No 1 (2021): Jurnal Laot Ilmu Kelautan
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jlaot.v3i1.3471

Abstract

Ekosistem lamun merupakan salah satu ekosistem yang penting dalam pengelolaan wilayah pesisir sehingga dibutuhkan kajian-kajian sebagai acuan pengelolaan. Penelitian ini bertujuan untuk memberikan informasi terbaru sebagai acuan informasi yang berguna dalam pengelolaan dan pengambilan kebijakan yang tepat terkait kelestarian ekosistem lamun di perairan Ahmad Rhang Manyang, Kabupaten Aceh Besar. Penelitian ini menggunakan metode simple random sampling. Hasil penelitian menunjukkan bahwa terdapat 2 jenis lamun yang ditemukan yaitu Halodule pinifolia dan Halophila ovalis. Penutupan lamun tertinggi yaitu dari jenis Halodule pinifolia dengan nilai 4,70 % sedangkan jenis Halophila ovalis yaitu 0,03 %. Nilai kerapatan tertinggi dari jenis Halodule pinifolia yaitu 66,14 ind/m2, sedangkan dari jenis Halophila ovalis sebesar 0,93 ind/m2. Indeks penutupan lamun dari masing-masing spesies termasuk dalam kategori miskin/rusak.Kata kunci :  Ekosistem lamun, Halodule pinifolia, Halophila ovalis, Kerapatan lamun, Tutupan lamun.
Community Structure of Meiobenthos in Krueng Alue Sumirah, Samadua Subdistrict, south Aceh regency Chitra Octavina; Muammar Irfan; Maria Ulfah
Jurnal Kelautan dan Perikanan Indonesia Vol 3, No 3: Desember (2023)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jkpi.v3i3.33186

Abstract

This research was conducted to determine the communication structure of meibenthos in Krueng Alue Sumirah Waters, South Aceh Regency in February 2020. Determining the sampling location used the purposive sampling method for taking meiobenthos which was divided into upstream, middle and downstream rivers. The results showed the number of species found, namely, Gammarus sp., Cirolana, Diastylis sp. The upstream area of the river has the highest meiobenthos density than the middle and downstream areas. In addition, meiobenthos Gammarus sp. (0,0056 ind/m2) has the highest density than Cirolana (0,0028 ind/m2) and Diastylis sp. (0,0028 ind/m2) in the upstream area of the river with a diversity index value of 1.50 and a dominance value of 0.38, the meiobenthos distribution pattern that occurs is uniform and analysis of sediment grains in Krueng Alue Sumirah waters shows the type of gravel. Analysis of physico-chemical parameters showed that Krueng Alue Sumirah waters had a temperature ranging from 25 0C to 28 0C, current velocity was around 1.14 m/s, pH was 6.5 and DO was 5 mg/L. Overall the structure of the meiobenthos community in Krueng Alue Sumirah waters is classified as moderate for the biota in it.Keywords: Gammarus sp., Cirolana sp., Diastylis sp., Alue Sumirah, meiobenthos.
Co-Authors Chitra Octavina Muammar Irfan Muhammad Agustiar Muhammad Rizki Fazillah Nanda Muhammad Razi Rauzatul Sakinah