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      Struktur Komunitas Plankton di Perairan Pantai Bojonegara, Teluk Banten

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      Date
      2021
      Author
      Rahardjo, Alexandra Maria Diandra
      Srimariana, Endang Sunarwati
      Sulistiono
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      Abstract
      Perairan pantai Bojonegara mendapat tekanan antopogenik yang tinggi melalui kegiatan industri, pemukiman, dan pembangunan infrastruktur. Tekanan antropogenik tersebut dapat memberikan dampak buruk bagi ekosistem perairan. Penelitian ini bertujuan menganalisis struktur komunitas plankton di wilayah perairan pantai Bojonegara. Penelitian dilakukan pada Bulan Januari, Februari, Agustus, September, dan Oktober 2020 pada 6 stasiun pengambilan data. Analisis data meliputi kelimpahan, indeks keanekaragaman, keseragaman, dominansi, regresi linear, principle component analysis, dan indeks similaritas Bray-Curtis. Parameter perairan yang mendukung kehidupan plankton di Bojonegara adalah salinitas, pH, nitrat, dan fosfat. Hasil penelitian menunjukkan bahwa fitoplankton didominasi oleh Bacillariophyceae dan Cyanophyceae, sedangkan zooplankton didominasi oleh Malacostraca dan Ciliata. Kelimpahan fitoplankton berkisar antara 3,0x10^5 – 8,7x10^5 sel/L, sedangkan zooplankton berkisar antara 2,8x10^4 – 9,9x10^4 ind/L. Plankton memiliki indeks keanekaragaman sedang, indeks keseragaman sedang, dan tidak terjadi dominansi. Struktur komunitas plankton menunjukkan bahwa perairan ini mendapat tekanan ringan dari lingkungan.
       
      Bojonegara coastal waters are subject to high anthropogenic pressure through industrial activities, residences, and infrastructure development. This anthropogenic pressure can harm aquatic ecosystems. This study aimed to analyze the plankton community structure at Bojonegara coastal area. This study conducted in January, February, August, September, and October 2020 at six data collecting stations. Data analysis included abundance, diversity, evenness, dominance, linear regression, principle component analysis, and Bray-Curtis similarity index. Water parameters show that salinity, pH, nitrate, and phosphate support plankton life in Bojonegara. Study result showed that phytoplankton are dominanted by Bacillariophyceae and Cyanophyceae, while zooplankton are dominated by Malacostraca and Ciliata. Phytoplankton abundance varied 3,0x10^5 – 8,7x10^5 cells / L, while zooplankton abundance varied 2,8x10^4 - 9,9x10^4 ind / L. Plankton has moderate diversity index, moderate evenness index, and no species dominance. The plankton community structure shows that Bojonegara waters are receiving light pressure from the environment.
       
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      http://repository.ipb.ac.id/handle/123456789/107554
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      • UT - Marine Science And Technology [2093]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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