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    Keragaman dan Distribusi Genus Makrozoobentos di Perairan Estuari Belawan Sumatera Utara

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    Date
    2014
    Author
    Hutasuhut, Tetty Hairani
    Advisor(s)
    Wahyuningsih, Hesti
    Aththorick, Alief
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    Abstract
    Research on Diversity and Distribution of Genera Macrozoobenthos in Belawan Estuary Water, North Sumatra has been done. The research aims to determine the diversity and distribution of genera macrozoobenthos in Belawan estuary water and physical chemistry parameters of water and substrate affect the diversity of genera macrozoobenthos. The diversity of the genera macrozoobenthos at each station were analyzed using Shannon Wiener index, distribution using Morisita index and correlation physical chemistry parameters of water and substrate with diversity of genera macrozoobenthos analyzed use Pearson correlation. The results reported 16 genera of macrozoobenthos. Class of Gastrophods has a density, relative density and the highest frequency of attendance with values respectively 37784.14 ind/m3, 213.91% and 622.22%. The diversity of genera macrozoobenthos at each station is relatively low (ranged 1.08 - 2.06) and high uniformity (0,62 - 0,99). Distribution of genera macrozoobenthos belonging to the group distribution pattern (Id > 1). The results of Pearson correlation analysis showed the water depth and substrate pH have high value better than other parameters, with each value -0.639 and 0.612. This is showed that two parameters significant for genera macrozoobenthos diversity.
     
    Penelitian Keragaman dan Distribusi Genus Makrozoobentos di Perairan Estuari Belawan Sumatera Utara telah dilakukan. Penelitian bertujuan untuk mengetahui keragaman dan distribusi genus makrozoobentos di perairan estuari Belawan dan parameter-parameter fisik kimia air dan substrat yang mempengaruhi keragaman makrozoobentos. Keragaman genus makrozoobentos pada tiap stasiun dianalisis menggunakan indeks Shannon Wiener, distribusi genus makrozoobentos menggunakan indeks distribusi Morisita dan hubungan antara parameter fisik kimia air dan substrat dengan keragaman makrozoobentos dianalisis menggunakan korelasi Pearson. Hasil penelitian didapatkan 16 genus makrozoobentos. Kelas Gastropoda memiliki kepadatan, kepadatan relatif dan frekuensi kehadiran tertinggi dengan nilai masing-masing sebesar 37784.14 ind/m3, 213.91% dan 622.22%. Keragaman genus makrozoobentos di tiap stasiun tergolong rendah (berkisar 1,08 - 2,06), sedangkan keseragamannya tergolong tinggi (0,62 - 0,99). Distribusi genus makrozoobentos pada tiap stasiun termasuk ke dalam pola distribusi berkelompok (Id > 1). Hasil analisis korelasi Pearson memperlihatkan kedalaman air dan pH substrat berpengaruh kuat terhadap keragaman makrozoobenthos dan memiliki nilai korelasi yang tinggi dibanding parameter lainnya, dengan nilai masing-masing sebesar -0,639 dan 0,612. Hal ini menunjukkan kedua parameter fisik kimia tersebut berpengaruh nyata terhadap keragaman genus makrozoobentos

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    http://repositori.usu.ac.id/handle/123456789/41509
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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV