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弘濟川의 附著藻類에 미 치 는 水質汚染 : The Effect of Water Pollution on the Benthal Phytomicro-organisms in the Hong-je Stream
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- Authors
- Issue Date
- 1980
- Publisher
- 서울대학교 사범대학
- Citation
- 사대논총, Vol.22, pp. 201-213
- Abstract
- The effect of water pollution on the habitat, distribution, microflora, standing crops and indicators of the benthal phytomicro-organisms was investigated in Hong-je stream which is the small branch in the Han river. The results were as follows: (1) According to the results of physicochemical analysis of water quality, water pollution of the down-stream was severer than that of upper-stream. (2) The standing crops of the benthal phytomicro-oranisms had a tendency of increase in proportion to the levels of the water pollution. (3) Benthal phytomicro-organism flora in the studied area was constituted by 7 families, 11 genera, 23 species. Especially, Navicula atomus and Nitzschia palea were considered to be indicators for polysaprobic. (4) The average production rate of the benthal phytomicro-organisms was 1.41g m-2 day-1. So the benthal phytomicro-organisms demanded for 22 days in order to reach to be the average standing crops. (5) Margalefs species diversities and Watanabes biotic indices of upper- and downstream of Hong-je were 154, 0.821, -80 and 0.233, respectively.
- ISSN
- 1226-4636
- Language
- Korean
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