Jurnal ANALISIS HUBUNGAN KEPADATAN IKAN TERHADAP NILAI SCATTERING VOLUME JENIS IKAN KAKATUA (Chlorurus sordidus) MENGGUNAKAN TEKNOLOGI AKUSTIK BAWAH AIR

Jurnal ANALISIS HUBUNGAN KEPADATAN IKAN TERHADAP NILAI SCATTERING VOLUME JENIS IKAN KAKATUA (Chlorurus sordidus) MENGGUNAKAN TEKNOLOGI AKUSTIK BAWAH AIR

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Andriani, Sherly and Zamdial, Zamdial and Bertoka, Fajar SP Negara
  

(2018)

ANALYSIS OF FISHING DENSITY RELATIONSHIP TO SCATTERING VOLUME VALUE OF KATATUA FISH (Chlorurus sordidus) USING UNDERWATER ACOUSTIC TECHNOLOGY.

    Undergraduated thesis, University of Bengkulu.
  

  

Abstract

This study aims to analyze the relationship of changes in fish density to
the value of Scaterring Volume (SV) in reef fish and testing the accuracy of acoustic density estimates of the actual density of fish in the reef fish group. The study used the experimental method. Data were obtained from SV values ​​with 5 experiments with different numbers of fish, namely 2, 4, 6, 8 and 10 so that the values ​​of -41.27 dB, -41.20 dB, -40.33 dB, 40.14 dB and -39.40 dB. Of the five densities of this fish, the highest average Scattering Volume was at 10 fish density which was -39.4 dB, and the lowest Scattering Volume value was at the density of fish 2 which was -41.27 dB. For the value of Scattering volume the average fish is positively related linearly to the density of fish. This is evidenced by the high value of the correlation coefficient (r) which is 0.91 with the equation Sv = 2.591 Log n – 42.325. ANOVA analysis results value f
  
 (15,32)> f
 (4.76), so that (Ho) is rejected and Ha is accepted. The average SV measurement is -40.4 dB and the estimated SV is -43.8 dB. While based on the results of the analysis of the t test obtained value t

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