CD Skripsi

Struktur Komunitas Bivalvia Pada Ekosistem Lamun Di Perairan Pantai Binasi Kabupaten Tapanuli Tengah Provinsi Sumatera Utara

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Bivalve is strongly related to the seagrass ecosystem in general. On the waters of Binasi coastal, the seagrass ecosystem has been decreased from anthoropogenic activities such as ecotourism and collecting molusc that may was negatively affected the marine biota organism, including bivalves. To understand the community structure of bivalve in the seagrass ecosystem, a study has been conducted in May to June 2023. Bivalve sampling there were 3 stasions, in the area near from human residential (S1), collecting molusc and ecotourism area (S2) and in the area with no human activity (S3). In each stasion there were 3 line transect and each line there were 9 plots (1 x 1 m2). Samplings were conducted 3 times. Result shown that there were 9 species of bivalve present, namely Pinna bicolor, Atrina vexillum, Andara antiquata, Trachycardium rugosum, Gafrarium divaricatum, Periglypta puerpera, Asaphis violascens, Atactodea striata, Fragum unedo and the most common species was Anadara antiquata in each stasion. The seagrass density ranged from 22,33-48 plants/m2 and the most common seagrass was Enhalus acaroides that can be found in each stasion. The diversity index (H‟) was 1.885-2.693, the uniformity index (E) was 0.799-0.897 and the dominance index (C) was 0.176-0.325. Result of simple linear regression on the relationship between seagrass density and bivalve density was R =0,6059 (strong).

Keywords: Anadara antiquata, Seagrass density, Uniformity index, Dominance index.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

1804110097

Penerbit

Pekanbaru : Universitas Riau FAPERIKA Manajemen Sumberdaya Perairan., 2024

Deskripsi Fisik

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Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

1804110097

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

MANAJEMEN SUMBERDAYA PERAIRAN

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Pernyataan Tanggungjawab

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