STRUKTUR KOMUNITAS MEIOFAUNA DI PERAIRAN DANAU TOBA SUMATERA UTARA
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Date
2016-01-30
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Abstract
Information on meiofauna community structure in Indonesian freshwater is still limited compared to other areas. This study aimed to assess the community structure and abundance of meiofauna on three stations on Lakes Toba, North Sumatra. Samples were collected from three stations nearby the port that usually used for society economical activities. The first station is in the Balige port, the second station in Simanindo port and the third station in Parapat port. Meiofauna abundance was analyzed using one-way ANOVA and Fisher's test. The result indicated that meiofauna which were found at the study site consisted of six taxa namely, Nematodes, Copepods, Oligochaeta, Ostracoda, Syncarida, Cladocera. The average abundance of meiofauna was 3,15 ind/10 cm2. It was also found that Nematodes was the most abundance taxa followed by Copepoda and Oligochaeta at all of the stations. One-way ANOVA results revealed that the abundance of meiofauna in each station was significantly different (F=2,97 P<0.05).
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Keywords
abundance, Danau Toba, meiofauana