Occurrence of macroinvertebrates and fish was studied at 11 stations along the course of a tropical river, Tamiraparani, South India. Monthly variations in macroinvertebrate density were studied during 1991. Among macroinvertebrates, hemipterans were the dominant group at all sites, except site 2. Using an ordination technique, density and occurrence of macroinvertebrates were correlated with dissolved oxygen, biological oxygen demand and chemical oxygen demand. A total of 36 species of fish was recorded and their diversity in undisturbed and disturbed regions of the river was compared on a spatial scale. Different diversity indices were calculated to assess fish response to pollution and to determine species richness and composition.
机构:
Bharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, IndiaBharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, India
Kumarasamy, P.
Dahms, Hans-Uwe
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Sangmyung Univ, Dept Life Sci, Coll Nat Sci, Seoul 110743, South KoreaBharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, India
Dahms, Hans-Uwe
Jeon, Hyoung-Joo
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Inland Fisheries Res Inst, Natl Fisheries Res & Dev Inst, Pusan, South KoreaBharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, India
Jeon, Hyoung-Joo
Rajendran, A.
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Bharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, IndiaBharathidasan Univ, Dept Marine Sci, Tiruchirappalli 620024, Tamil Nadu, India
机构:
Linkoping Univ, Dept Water & Environm Studies, S-58183 Linkoping, Sweden
North West Univ, Environm Sci & Dev Dept, Potchefstroom, South AfricaUniv Nairobi, Coll Biol & Phys Sci, Sch Phys Sci, Dept Chem, Nairobi, Kenya
机构:
Department of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, HaridwarDepartment of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, Haridwar
Kamboj V.
Kamboj N.
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Department of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, HaridwarDepartment of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, Haridwar
Kamboj N.
Sharma A.K.
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Department of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, HaridwarDepartment of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, Haridwar
Sharma A.K.
Bisht A.
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Department of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, HaridwarDepartment of Zoology and Environmental Science, Gurukula Kangri Vishwavidyalaya, Haridwar