THE QUALITY OF AUR LAKE FROM INDONESIA BASED ON MICROALGA BIOINDICATORHARMOKO AND YUNI KRISNAWATI
The existence of human activities around Lake Aur ecosystem can affect the quality of Lake Aur waters. Research method used is survey research, samples were taken from 5 stations based on different criteria. Data analysis is done descriptively quantitative technique. Based on the results of the study, microalgae found in Lake Aur Consist of 6 divisions, 13 classes, 22 orders, 32 families, 43 genera and 77 species. Based on the calculation of Aur lake saprobit as category index at each station ranging from 1:21 to 1:47 classified as mild category B/meso/oligosaprobic with contaminants in the form of organic and inorganic materials. Based on calculation of saprobitas index of category Aur Lake Regency of Musi Rawas in each station ranging from 1:21 to 1:47 classified as mild Contaminated category B meso/oligosaprobic with Pollutants in the form of organic and inorganic materials.
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