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Keanekaragaman Makrozoobentos Sungai Lowatag Minahasa Tenggara Sulawesi Utara
Author(s) -
Reinaldo E. Karuh,
Ratna Siahaan,
Marina Singkoh
Publication year - 2019
Publication title -
jurnal mipa (edisi elektronik)
Language(s) - English
Resource type - Journals
ISSN - 2302-3899
DOI - 10.35799/jmuo.8.3.2019.26162
Subject(s) - forestry , diversity index , biology , geography , ecology , species richness
Sungai memiliki peranan penting dalam kehidupan manusia dan mahluk hidup lainnya. Makrozoobentos menempati habitat di dasar sungai. Keanekaragaman makrozoobentos berperan penting pada ekosistem sungai. Penelitian ini bertujuan untuk menganalisis keanekaragaman makrozoobentos Sungai Lowatag berdasarkan Indeks Keanekaragaman Shannon-Wiener (H’). Penelitian ini menggunakan metode purposive random sampling di sepanjang Sungai Lowatag. Stasiun penelitian sejumlah tiga stasiun yaitu hulu, tengah dan hilir dengan ulangan di tiap stasiun berjumlah tiga kali ulangan. Makrozoobentos yang ditemukan di Sungai Lowatag memiliki kelimpahan total sebanyak 1.115 individu (35 taksa). Kelimpahan makrozoobentos di Stasiun I, II, dan III berturut-turut yaitu 26,37%, 44,39 % dan 29,24%. Nilai Indeks Keanekaragaman Shannon (H’) dari Stasiun I, II dan III berturut-turut yaitu 2,97; 2,69; dan 2,61. Nilai H’ untuk Sungai Lowatag yaitu 2, 94Rivers have important role for humans and wildlife. Macrozoobenthos occupies habitat at the bottom of the rivers. Biodiversity of macrozoobentos is important in river ecosystem. This study aimed to analyze biodiversity of macrozoobenthos of Lowatag River based on the Shannon-Wiener Diversity Index (H’). This study used a purposive random sampling method along Lowatag River. There were three research stations, namely upstream, middle and downstream with three replications each station. Macrozoobenthos found in the Lowatag River have total abundance of 1,115 individuals (35 taxa). The abundance of macrozoobenthos at Station I, II, and III were 26.37%, 44.39% and 29.24% respectively. The Shannon Diversity Index (H ') values of Station I, II and III respectively were 2.97; 2.69; and 2.61. The H’ value of Lowatag River was 2. 94

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