Algological roles to water qualities of main watersheds in upper Southern Thailand
1989
Nakorn Boonprakong
Of all the algae samples collected 5 divisions were classified: (Chrysophyta, Chlorophyta, Cyanophyta, Euglenophyta, Pyrrophyta) which were subclassified into 72 genera. The area of Punlum and Kok canal turned out to be the most abundant in algae at the rate of 1,261.85 and 1,292.31 cells/liter while Thachiew canal was shown to be the least at only 33.05 cells/liter. Among these 5 divisions Chrysophyta was found at the highest frequency. Upon considering the relationships among the amount of algae and diversity index and the water qualities only the amount of algae division Euglenophyta had direct correlation with the water quality, particularly the amount of nutrients was most meaningful. However, the diversity index of algae appeared to be inversely correlated with water temperature as well as with the amount of sulfate found. Watershed classification in this area either physically or biologically turned out to be pretty much the same.
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