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      • UT - Aquatic Resources Management
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      Pertumbuhan Ikan Hiu Lanjaman (Carcharhinus falciformis) yang Didaratkan di PPI Tanjung Luar, Lombok Timur

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      Date
      2022
      Author
      Maraya, Nafis Silmi
      Kamal, Mohammad Mukhlis
      Hakim, Agus Alim
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      Abstract
      Carcharhinus falciformis merupakan salah satu jenis ikan hiu yang tertangkap dengan intensitas tinggi di wilayah Tanjung Luar, Lombok Timur. Penelitian ini bertujuan menganalisis pertumbuhan ikan hiu lanjaman yang dominan tertangkap dan didaratkan di Tanjung Luar, Lombok Timur, serta memberikan saran rekomendasi dalam pengelolaan konservasi. Data penelitian merupakan data hasil tangkapan selama periode waktu Juli 2016 sampai dengan Agustus 2018, dengan data yang digunakan dalam penelitian ini adalah data panjang, bobot, dan jenis kelamin. Jumlah total ikan contoh sebanyak 6931 ekor dengan jantan dan betina masing-masing 2866 dan 4065 ekor. Hasil nilai uji t melalui analisis hubungan panjang bobot menunjukkan bahwa hiu lanjaman jantan dan betina di tahun 2016 memiliki pola pertumbuhan alometrik negatif, sedangkan hiu jantan dan betina di tahun 2018 memiliki pola pertumbuhan alometrik positif. Nisbah kelamin jantan lebih sedikit dibanding jumlah betina dengan perbandingan 1:1,42. Parameter pertumbuhan menunjukkan bahwa koefisien pertumbuhan (K) hiu jantan di tahun 2016 dan 2017 lebih tinggi dibandingkan ikan betina, sedangkan nilai K jantan di tahun 2018 lebih rendah dibanding betina.
       
      Carcharhinus falciformis is one type of shark that is caught with high intensity in the Tanjung Luar area, East Lombok. This study aims to analyze the growth of lanjaman shark which caught and landed at the study site. The research data is catch data during the period July 2016 to August 2018, with the data that used in this study is length, weight, and sex. The total number of sample fish was 6931 individuals with 2866 and 4065 on males and females respectively. The results of the t-test value through analysis of the relationship between length and weight show that male and female lanjaman sharks in 2016 had a negative allometric growth pattern, while male and female sharks in 2018 had a positive allometric growth pattern. Sex ratio of male sharks (C. falciformis) was less than the number of females with a ratio of 1:1.42. The growth parameters show that the growth coefficient (K) of male sharks in 2016 and 2017 is higher than the female sharks, while the K value of males in 2018 is lower than the females.
       
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      http://repository.ipb.ac.id/handle/123456789/112292
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      • UT - Aquatic Resources Management [2679]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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