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- Title
CURRENT STATUS OF MACROBENTHIC DIVERSITY AND THEIR HABITAT ECOLOGY IN RIVER GANGA AND ITS TRIBUTARIES, UTTARAKHAND.
- Authors
Malik, D. S.; Sharma, Arvind Kumar; Sharma, Amit Kumar
- Abstract
Ganges riverine ecosystem is one of the largest aquatic ecosystem of India and also supports diverse aquatic diversity compared to others aquatic ecosystem. The objective of the present study was to carried out the macrobenthos diversity status and its relation to physico-chemical parameters on spatial-temporal scales. Macrobenthos was collected along with major physicochemical parameters from four sampling zones of the upper Ganga basin for the period of one year from September 2017 to August 2018. Macrobenthos diversity status, abundance was analysed with the help of PAST (version 3.0) software. The result of present experimental study clearly indicated that Ganga river and its tributaries provides the natural habitat of seven groups of macrobenthos included Ephemeroptera, Hemiptera, Diptera, Coleoptera, Odonata, Mollusca and Annelida. The species-wise dominance was in order of Ephemeroptera, (8 species) Hemiptera, (3 species) Diptera, (6 species) Coleoptera, (5 species) Odonata, (3 species), Mollusca (2 species) and Annelida, (2 species) identified from all four sampling zones and amongst these Ephemeroptera was dominated both in qualitative and quantitative dominant. Water velocity, water temperature, dissolved oxygen and biological oxygen demand contributed as major influential ecological factors for macrobenthos species richness and their distribution in the Ganga river and its tributaries.
- Subjects
UTTARAKHAND (India); INDIA; HABITATS; RIVER ecology; BIOCHEMICAL oxygen demand; MOLLUSKS; CONODONTS; SPECIES diversity; ODONATA; INSECT diversity
- Publication
Journal of Experimental Zoology India, 2020, Vol 23, Issue 2, p1413
- ISSN
0972-0030
- Publication type
Article