Macrozoobenthos Communities Found In The Waters Of Mariah Bandar Springs

Masdiana Sinambela; Martina Asiati Napitupulu; Tonggo Sinaga

doi:10.46729/ijstm.v5i4.1133

Masdiana Sinambela Biology Department, Mathematics And Natural Sciences Fakulty, Universitas Negeri Medan, Medan Indonesia
Martina Asiati Napitupulu Biology Department, Mathematics And Natural Sciences Fakulty, Universitas Negeri Medan, Medan Indonesia
Tonggo Sinaga Biology Department, Mathematics And Natural Sciences Fakulty, Universitas Negeri Medan, Medan Indonesia

DOI: https://doi.org/10.46729/ijstm.v5i4.1133

Keywords: Macrozoobenthos, community, springs, factors and abiotic.

Abstract

Macrozoobenthos found in the waters of Mariah Bandar Springs, Pematang Bandar District, Simalungun Regency, along with physical and chemical parameters, where biological samples, namely macrozoobenthos, were taken using a quadrant and physical and chemical parameters of the water were taken using a dark colored sample bottle and then analyzed at the BTKL The waters that originate from the Mariah Bandar spring have very clear and shallow water, so that the bottom of the waters (substrate) can be seen directly, which consists of sandy rocks. The macrozoobenthos community in the waters of Mariah Bandar spring consists of four classes, namely Clitellata, Gastropod, Bivalvia, Insecta, and eight families, namely Lumbricidae, Thiaridae, Cyrenidae, Chironomidae, Gomphidae, Paludicola, Coenagrionidae, Libellulidae. The temperature at each observation station ranges from 22⁰C – 35⁰C, brightness ranges from 4 – 4.5 m from the surface, dissolved oxygen (DO) ranges from 6.84-8.25 mg/l, pH ranges from 7.36-8.85 , BOD ranged from 1.01-3.42 mg/l. In general, the physical and chemical parameters measured still support the life of freshwater organisms, unless the pH is classified as acid.

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