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Image of IDENTIFIKASI SHOALING IKAN SECARA HIDROAKUSTIK MENGGUNAKAN ANALISIS PRINCIPAL COMPONENT ANALYSIS DI PERAIRAN BANYUASIN

Skripsi

IDENTIFIKASI SHOALING IKAN SECARA HIDROAKUSTIK MENGGUNAKAN ANALISIS PRINCIPAL COMPONENT ANALYSIS DI PERAIRAN BANYUASIN

Mutaef, Muhammad Syahxeran Revivalis - Personal Name;

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The Banyuasin waters have abundant fisheries resources supported by adequate ecosystems condition. The dynamic ecosystem affects biota such as fish to tend to aggregate to help them survive from predation or feeding. This study was conducted to identify fish shoals using hydroacoustic methods and then determine the relationship between acoustic descriptor variables and environmental parameter aspects. The research was conducted from March 2022 to April 2023, using echogram data from hydroacoustic surveys and measurements of physical environmental parameters in Banyuasin waters. Acoustic descriptor components are extracted from echograms using echoview software, as a result, there are three components: energetic, bathymetric, and morphometric. The morphometric components obtained four forms of shoaling, namely A (horizontal oval), B (vertical oval), C (tending to be round), and D (irregular). Shoaling with form A has an average energetic value with an SV Mean variable of (-47.03) dB; form B (-41.47 dB); form C (-47.33 dB); and form D (-54.41 dB). Based on the bathymetric component, the shoaling found is dominated near the bottom of the water with a depth range of 2 - 9.8 m. 89 shoals of fish were found and PCA analysis was performed to determine the correlation between acoustic descriptor variables and environmental parameters. As a result of PCA analysis, it was found that the energetic descriptor component (SV Mean) correlates with environmental parameters such as pH and temperature. The bathymetric descriptor component (Mean Shoal Depth, Bottom Depth) correlates with environmental parameters such as dissolved oxygen (DO) and salinity. However, the morphometric descriptor component (Beam Volume Sum, Height, Length) does not correlate with any environmental parameters


Availability
Inventory Code Barcode Call Number Location Status
2307001973T105358T1053582023Central Library (Referens)Available
Detail Information
Series Title
-
Call Number
T1053582023
Publisher
Indralaya : Jurusan llmu Kelautan, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Sriwijaya., 2023
Collation
xvi, 54 hlm.; Ilus.; 29 cm
Language
Indonesia
ISBN/ISSN
-
Classification
577.607
Content Type
-
Media Type
-
Carrier Type
-
Edition
-
Subject(s)
Jurusan Ilmu Kelautan
Ekologi Perairan dan Ekologi Air Tawar
Specific Detail Info
-
Statement of Responsibility
PITRIA
Other version/related

No other version available

File Attachment
  • IDENTIFIKASI SHOALING IKAN SECARA HIDROAKUSTIK MENGGUNAKAN ANALISIS PRINCIPAL COMPONENT ANALYSIS DI PERAIRAN BANYUASIN
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