KERAGAMAN DIATOM SEPANJANG ALIRAN SUNGAI SEKITAR KAMPUS UNIVERSITAS NEGERI PADANG

Abstract

The aimed of this research was to identify the diversity of diatomae in the river of Negeri Padang University. This research was done in February – March 2011. Sampling technique was used Stratified Random Sampling with four stations. The samples got from every station five times in 10.00-14.00 pm.The Paralon pipe (15 cm in diameter) used to sampling vertically in the bottom of the river. One liter water was used as sample for diatomae identification. Diatomae samples drooped ten droop by 4% formaldehide prior identified in Zoology Laboratory, Biology Department. Before, microscope analyze, the diatomae was prepare with dried technique prepared slide. All the species of diatomae then documented by photomicrography technique. The result shows threa are 42 genus of diatomae contained 9 genus from class of Coscinodiscophyceae, 7 genus from class of Fragilariophyceae, and  26 genus from class of Bacillariophyceae.

Keyword: bacillariophyta , diatomae, diversity, river.