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    Keanekaragaman Kerang (Bivalvia) di Perairan Pantai Sialang Buah, Kecamatan Teluk Mengkudu, Kabupaten Serdang Bedagai, Sumatera Utara

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    Date
    2022
    Author
    Pangaribuan, Risda Yanti
    Advisor(s)
    Mulya, Miswar Budi
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    Abstract
    Sialang Buah Beach is an area that its water locates from the lowest tide to the highest tide and it has a various community activities in the area. Sialang Buah Beach has a coastline along of ± 6 km. At the Sialang Buah Beach, many various kinds of marine animals can be found, all classified as invertebrates and vertebrates. One of them is a shellfish. Shellfish (Molluscs) has an important econonic potential. This study aimed to analyze the bivalves community structure and the relationship between physicochemical factors. This research was conducted at Sialang Buah waters from January to February 2022. The sampling location was determined by using purposive sampling method at 3 stations. Bivalves collection at 2 points per station. The results obtained, there were 4 species of the bivalves, which were Anadara antiquata, Anadara gubernaculum, Polymesoda erosa, Meretrix meretrix. The Species Density was range from 4. To 8.3 ind/m², The Diversity was range from 1.29 to 1.35 categorized into medium category. The Uniformity was range from 0.93 to 0.98 meaning its distributed number of individuals evenly. The Similarity Index was in very high category. The correlation value between bivalves diversity index and physical and chemical factors of water temperature, pH, DO, BOD5 and C-Organic was very strong and the correlation analysis value of depth, salinity and nitrate was also in quite strong.
     
    Pantai Sialang Buah merupakan daerah memiliki wilayah perairannya yang terletak pasang surut terendah dan surut tertinggi dengan berbagai aktivitas masyarakat di wilayah tersebut dan memiliki panjang garis pantai ± 6 km. Pada Pantai Sialang Buah dijumpai berbagai macam hewan laut, baik hewan laut yang masuk dalam golongan hewan invertebrata maupun vertebrata. Salah satu contoh hewan yang masuk ke dalam hewan Invertebrata yaitu kerang-kerangan. Kerang (Moluska) merupakan salah satu sumberdaya laut yang ada di Pantai Sialang Buah yang cukup potensial. Penelitian ini bertujuan untuk menganalisis struktur komunitas bivalvia dan hubungan faktor fisika-kimianya. Penelitian ini kegunaannya untuk menganalisis struktur komunitas bivalvia dan hubungan faktor fisika kimianya. Penelitian ini dilakukan di Perairan Sialang Buah pada bulan Januari-Februari 2022. Penentuan lokasi pengambilan sampel menggunakan metode purposive sampling pada 3 stasiun. Pengambilan bivalvia pada 2 titik setiap stasiun. Hasil penelitian yang didapatkan adalah 4 spesies bivalvia yaitu Anadara antiquata, Anadara gubernaculum, Polymesoda erosa, Meretrix meretrix. Kepadatan Jenis berkisar antara 4.4-8.3 ind/m², Keanekaragaman berkisar 1.29-1.35 termasuk kategori sedang, Keseragaman berkisar 0.93-0.98 termasuk jumlah individu merata, Kesamaan dengan kategori sangat tinggi. Nilai korelasi antara indeks keanekaragaman bivalvia dan faktor fisik kimia perairan suhu, pH, DO, BOD5 dan C-Organik tergolong sangat kuat dan nilai analisis korelasi kedalaman, salinitas dan nitrat tergolong kuat

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    https://repositori.usu.ac.id/handle/123456789/49777
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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV