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    Keanekaragaman Jenis Ikan di Sungai Barumun Kabupaten Labuhanbatu Provinsi Sumatera Utara

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    Date
    2021
    Author
    Ulvika, Windi
    Advisor(s)
    Leydonald, Rusdi
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    Abstract
    Sungai Barumun mengalir di sepanjang wilayah Kecamatan Panai Hulu Kabupaten Labuhan Batu. Sungai Barumun merupakan sungai besar dengan lebar antara 750 m - 1050 m, dengan sungai kecil sebagai anak sungai/cabang dan terdapat berbagai jenis biota perairan yang beragam, diantaranya yaitu berbagi jenis ikan hasil tangkapan nelayan. Penelitian ini dilakukan pada bulan Oktober hingga November 2020. Tujuan dari penelitian ini adalah mengetahui keanekaragaman ikan dan parameter kualitas air yang mempengaruhi keanekaragaman ikan di sungai tersebut. Metode yang digunakan dalam penentuan Stasiun sampling dalam penelitian ini adalah purposive sampling dengan penangkapan ikan menggunakan alat tangkap jaring insang (gill net). Keanekaragaman ikan dinilai berdasarkan pada komposisi jenis ikan dan beberapa indeks diversitas. Hasil penelitian ini menunjukkan jumlah total ikan yang diperoleh yaitu 368 individu terdiri dari 6 famili dan 8 spesies. Nilai indeks keanekaragaman (H’) berkisar (1,31-1,82), keseragaman (E) berkisar (0,81-0,93), dan indeks dominansi (C) berkisar (0,17-0,32). Hubungan parameter kualitas air berdasarkan analisis PCA di sungai Barumun Kabupaten Labuhanbatu seperti N-total, P-total dan kecerahan, berkorelasi negatif dengan keanekaragaman ikan. Sedangkan suhu, salinitas, pH dan DO menunjukkan korelasi yang positif dengan keanekaragaman ikan.
     
    The Barumun River flows along the Panai Hulu Subdistrict, Labuhan Batu Regency. The Barumun River is a large river with a width of between 750 m - 1050 m, with a small river as a tributary / branch and there are various types of various aquatic biota, including various types of fish caught by fishermen. This research was conducted from October to November 2020. The purpose of this study was to determine the diversity of fish and water quality parameters that affect the diversity of fish in the river. The method used in the determination of the sampling stations in this research is purposive sampling by fishing using gill net fishing gear (gillnet). Fish diversity is assessed based on the composition of fish species and several diversity indices. The results of this study indicated that the total number of fish obtained was 368 individuals consisting of 6 families and 8 species. The diversity index value (H') ranged (1.31-1.82), the uniformity (E) ranged (0.81-0.93), and the dominance index (C) ranged (0.17-0.32). The relationship between water quality parameters based on PCA analysis in the Barumun river, Labuhanbatu Regency, such as N-total, P-total and brightness, has a negative correlation with fish diversity. Meanwhile, temperature, salinity, pH and DO show a positive correlation with fish diversity.

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    http://repositori.usu.ac.id/handle/123456789/38723
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    Repositori Institusi Universitas Sumatera Utara - 2025

    Universitas Sumatera Utara

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    Repositori Institusi Universitas Sumatera Utara - 2025

    Universitas Sumatera Utara

    Perpustakaan

    Resource Guide

    Katalog Perpustakaan

    Journal Elektronik Berlangganan

    Buku Elektronik Berlangganan

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV