Journal of Environmental Conservation Engineering
Online ISSN : 1882-8590
Print ISSN : 0388-9459
ISSN-L : 0388-9459
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Volume 41, Issue 1
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  • Evaluation of Sewerage System Development in Seno River Using Biotic Indices
    Takuya AMAKAWA, Kenji TAKENO, Yoshifumi YASUMITSU, Ken SASAKI
    2012 Volume 41 Issue 1 Pages 48-52
    Published: January 20, 2012
    Released on J-STAGE: January 30, 2013
    DOIhttps://doi.org/10.5956/jriet.41.48
    JOURNAL FREE ACCESS
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    Effects of sewerage system improvement on profiles of benthic animal in Seno River which domestic wastewater was discharged were investigated from 1998 to 2000. Improvement was carried out 2000 to 2003. From 1998 to 2005, pollution index, bio index, diversity index and p.p index were improved about 2, 3, 2.5 and 1.6 times, respectively. The improvement of water quality in Seno River due to the sewage system development was suggested by the evaluations of biotic indices such as pollution index, bio index, diversity and p.p index.
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