CD Skripsi
Kandungan Bahan Organik Sedimen Dan Kelimpahan Makrozoobentos Di Perairan Pantai Mangrove Desa Sei Nagalawan, Kabupaten Serdang Bedagai, Sumatera Utara
Abstract
The study was conducted in October 2022 in the mangrove coastal waters of Sei Nagalawan Village, Serdang Bedagai, North Sumatra. The method used in this study was a survey method. This study aims to analyzing sediment fractions, analyzing the content of sedimentary organic matter analyzing the structure of macrozoobentos communities, and analyzing the relationship of sedimentary organic matter to macrozoobentos abundance Sampling was designed by purposive sampling by using Ekman grab. The organic matter content of sediments in the Serdang Bedagai Coastal Waters, North Sumatra ranged from 0,19 – 7.54%. The average abundance of macrozoobentos at the four stations ranged from 41 – 92 ind/m2. Based on the identification results, the macrozoobentos class found in the mangrove coastal waters of Sei Nagalawan Village, Serdang Bedagai, North Sumatra consists of Bivalva and Gastropods. The analysis of the sediment organicmatter showed strong position relationships with macrozoobentos abudance.
Keywords: Organic, Sediment, Macrozoobentos, Abundance, North Sumatera
1) Student of the Fisheries and Marine Science Faculty, University of Riau
2) Lecturer of the Fisheries and Marine Science Faculty, University of Riau
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