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    Hubungan Antara Kualitas Air dengan Kebiasaan Makanan Ikan Batak (Tor soro) di Perairan Sungai Asahan Sumatera Utara

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    Date
    2016-01-28
    Author
    Siregar, Budianto
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    Abstract
    Telah dilakukan penelitian tentang hubungan antara kualitas air dengan kebiasaan makanan ikan batak (Tor soro) di perairan Sungai Asahan Sumatera Utara pada bulan November 2012-Januari 2013. Tujuan penelitian ini adalah untuk mengetahui kebiasaan makanan ikan batak (Tor soro), kualitas air Sungai Asahan, serta hubungan antara kualitas air dengan kebiasaan makanan ikan batak (Tor soro). Pengambilan sampel dilakukan dengan menggunakan electrofishing dan jala serta isi lambung dianalisis dengan menggunakan metode volumetrik. Hasil penelitian menunjukkan bahwa ikan batak (Tor soro) memiliki pola pertumbuhan alometrik. Makanan utama ikan batak (Tor soro) berdasarkan Index of Preponderance: Cladophora (47,01%, 62,29%, 71,11%) pada stasiun 1, 4, dan 5. Cymbella (47,57%) pada stasiun 2, Vaucheria (51,46%) pada stasiun 3. Temperatur, intensitas cahaya, kecerahan dan pH berkorelasi kuat terhadap Cladophora. Nitrat dan posfat berkorelasi kuat terhadap Cymbella. Nitrat berkorelasi kuat terhadap Vaucheria. Kondisi Sungai Asahan secara relatif dalam keadaan baik dan mendukung pertumbuhan ikan batak (Tor soro).
     
    The study of water quality relationship and food habits of batak fish (Tor soro) in Asahan River, North Sumatra was conducted in November 2012-January 2013. Aims of this research was to know the food habits of batak fish, the water quality of Asahan River, and relationship between water quality and food habits of batak fish. Samples were taken by using electrofishing and castnet and stomach content was analysis using volumetric method. Result showed that batak fish has an allometric growth pattern. The major food of batak fish based on index of preponderance are: Cladophora (47,01%, 62,29%, 71,11%) at station 1, 4, and 5. Cymbella (47,57%) at station 2, Vaucheria (51,46%) at station 3. The temperature, light penetration, light intensity and pH high correlated with Cladophora. Nitrate and posfate high correlated with Cymbella. Nitrate high correlated with Vaucheria. Indicating the condition of Asahan River is relatively in good condition and support batak fish growth as well.
     
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    http://repository.usu.ac.id/handle/123456789/55664
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    • MT - Biology [168]

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    DSpace software copyright © 2002-2016  DuraSpace
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    Theme by 
    Atmire NV