Relationship between Environmental Factors, Yeasts and Coliforms in the Yodo River
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概要
- 論文の詳細を見る
The relationship between microbial populations, the numbers of yeasts, bacteria and coliforms, and temperature, pH, DO, COD, BOD, NH_4-N, NO_2-N, NO_3-N and Total-P has been investigated by using 12 water samples collected from four stations on the Yodo River, Osaka, Japan. Total yeast counts had a positive response to increased pollution of NH_4-N and Total-P in water. There were significant positive correlations between the size of the yeast population and the concentration of some nutrients, with total phosphate Pearson's correlation coefficient r=0.780 (p<0.01) and NH_4-N Spearman's correlation r=0.515 (p<0.10). The number of yeast cells also correlated with that of coliforms (r=0.911,p<0.01) at all stations except the estuary one. Traditionally, coliforms in water have been used as an indicator of the extent of water pollution, but yeast can be a better indicator when the water include an area susceptible to salwater.
- 社団法人日本生物工学会の論文
- 1987-04-25
著者
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KOMEMUSHI SADAO
School of Agriculture, Kinki University
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KOMEMUSHI SADAO
Department of Agricultural Chemistry, School of Agriculture, Kinki University
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FUJITA TOKIO
Department of Agricultural Chemistry, Faculty of Agriculture, Kinki University
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Fujita Tokio
Department Of Agricultural Chemistry Faculty Of Agriculture Kinki University
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YAMAGATA KEI
Department of Agricultural Chemistry, Faculty of Agriculture, Kinki University
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Yamagata K
Department Of Agricultural Chemistry Faculty Of Agriculture Kinki University
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Komemushi S
School Of Agriculture Kinki University
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Komemushi Sadao
Department Of Agricultural Chemistry Faculty Of Agriculture Kinki University
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