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Abstract
82 km stretch of River Ganga from Garhmukteshwar to Narora has been declared as Ramsar site because it inhabits rare and endangered Gangetic dolphins (Platanista gangetica). Dominance of Molluscs and Annelida communities of benthic macroinvertebrates provide proper feeding habitat for dolphins at more than 10-20 meter depth in River Ganga. Gangetic dolphin preferred a high level of flow velocity in River Ganga at Garhmukteshwar. Dolphins were commonly observed in biological water quality of moderate pollution (Class ‘C’). Habitat degradation due to construction of dams/ barrages, extraction of water, siltation, pollution due to hazardous chemicals and other human activities are the main causes of its decline in the river.
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References
- Annual report, 2005-06. Wetland Coservation. Ministry of Environment and Forests, pp: 109.
- Behera, S.K., 1995. Working with communities to conserve the Ganges rive dolphin and the ecosystem, Ph.D. Thesis.
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References
Annual report, 2005-06. Wetland Coservation. Ministry of Environment and Forests, pp: 109.
Behera, S.K., 1995. Working with communities to conserve the Ganges rive dolphin and the ecosystem, Ph.D. Thesis.
CPCB, 2004. Dioxin (PCDDs) And Furan (PCDFs)- Critical Persistent Organic Pollutants (POPs). Parivesh Newsletter.
Hellawell, 1978. Biological Surveillence of Rivers. Water research center, Medmenham.
Kelkar, Nachket, 2009. RUNNIG OUT OF BREATH, Dolphins of the Vikramshila Sanctuary, Bihar, Call of the wild Sanctuary ASIA Vol.XXIX No.2
LATS/13/ 1998-99. “Application of artificial substratum for bioassessment of water bodies.” Central Pollution Control Board Delhi. LATS/13.
MINARS/14/ 2001-02. Water Quality-Status & Statistics(1998). Central Pollution Control Board, Ministry of Environment & Forests. Monitoring of Indian Aquatic Resources Series.
MINARS/24/ 2006-07. Status of Water Quality in India -2004, Central Pollution Control Board, Ministry of Environment & Forests. Monitoring of Indian Aquatic Resources Series.
PCRI report, 1998. Assessment of impact due to mass bathing on River Ganga during Kumbh -1998 at Hardwar. Sponsored by Central Pollution Contro Board, Ministry of Environment & Forests, New Delhi. Pollution Control Research Institute, BHEL, Hardwar.
Sinha, R.K., 1996. Bio-conservation of the Gangetic Dolphin Platanista gangetica.
Final Technical Report (April-March 1996) No.J-39011/5/91- GPD. Sponsored by National River Conservation Directorate, Ministry of Environment and Forests, Government of India, New Delhi.
WWF-India, 1999. Ganges River Dolphin Survey Report.