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All Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Capah, Roida Mawati
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Earth & Planetary Sciences

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Community Structure of Fish in the Estuary of the Rawa Mekar Jaya Village, Sungai Apit District, Siak Regency Capah, Roida Mawati; Sumiarsih, Eni; Fajri, Nur El
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

ABSTRAKThe fisheries potency in the estuary ofRawaMekar Jaya Village is high. A research aims to determine the fishcommunity structure in that estuary was conducted in April-July 2019. Fish samples were taken in 3 stations,in the mangrove area(ST-1), reforestation mangrove area (ST-2) and around the residential area (ST-3). The fishes were captured using fishing rod, net traps (mesh size 1-2 inches) and scoop net (mesh size 0.5 cm). Fish was sampled everyday for 10 days period.  Results shown that the caught fishconsisted of 13 species that are belonged to 12 families. Diversity Index (H ') 2.01–2.31, uniformity index (E) 0.87-0.96 and dominance index (D) 0.10–0.16. The water quality in the estuary were as follows; temperature of 28-300C, the current speed 0.011-0.041 m/sec, brightness of 43-45 cm, salinity of 1,5-15 ‰, dissolved oxygen   3.25-4.16 mg/L and pH of 5-6. Data obtained indicates that community structure of fish can be categorized as medium (stable). Keywords; Coastal, Mangrove, Diversity index.Uniformity index, Dominance index 
Co-Authors Eni Sumiarsih Nuraini El Fajri