Kepadatan dan Keanekaragaman Meiofauna di Perairan Sungai Meureudu Kecamatan Meureudu Kabupaten Pidie Jaya

Research on the density and diversity of meiofauna is very important because of limited information about the meiofauna. This research has been conducted during April-May 2016. The purpose of this study is to determine the density and diversity in the waters of the Meureudu River, Pidie Jaya District. The method of this research used was purposive sampling, which stations the total is 36 samples. 11 species of meiofauna was found with a total of 240 individuals, namely, Cumacea sp. with the density of 518.4 ind/m2, Kalipthorincia sp. with the density of 2629.7 ind/m2, Annulonemertes sp. with the density of 925.9 ind/m2, Spiroplectammina biformis with the density of 296.32 ind/m2, Amphipoda with the density of 333.31 ind/m2, Eggerelloides scabrous with the density of 296.25 ind/m2, Patagonacyther senescens with the density of 481.47 ind/m2, Copepods with the density of 518.5 ind/m2, Cyatholainus sp. with the density of 2037.1 ind/m2, Acari sp. with the density of 444.41 ind/m2, and Amoria betavus with the density of 407.41 ind/m2. The higest density is Kalipthorincia sp. and the lowest is Spiroplectammina biformis. The diversity of meiofauna in Merureudu River is medium