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The Chambal River is an important river in the Ganges river system.
The Chambal River was declared as a National Chambal Sanctuary with
an aim to provide fully protected habitat for the conservation and
propagation of highly endangered crocodilian species and other
aquatic animals. The study area was comprised of a 395 km of the
National Chambal Sanctuary, from Pali to Chakarnagar. In the
present study 46 species of fishes belonging to 16 families were
observed during the course of present study and there is a general
observation suggesting rapid decline in fish population due to
large-scale illegal fishing. Two species of Crocodiles, the Gharial
(Gavialis gangeticus) and Mugger (Crocodylus palustris) and seven
species of freshwater turtles (Pangshura tentoria, Kachuga
dhongoka, Batagur kachuga, Hardell thurjii, Aspideretes gangeticus,
Lissemys -punctata anderoni, ) were identified in the study area.
The major human activities that destroyed the habitat in the
Chambal River are in the form of extensive untraditional
cultivation practices on the riverbanks, overgrazing, wood
collection from riverside vegetation and sand mining. Sand Banks
are very much useful for the aquatic animal
The River Chambal is a principal tributary of the river Yamuna,
supports a rich fauna and flora including the Ganges River dolphin,
Gharial, Mugger, turtles and wetland birds. The Ganges River
dolphin (Platanista gangetica gangetica), locally known as Susu, is
restricted to the Ganga, Brahamputra, Karnaphuli-Sangu and Meghna
river systems and their tributaries. Once believed to be in tens of
thousands, their numbers have gradually reduced to 1800-2000
individuals in all the tributaries of its distribution. The
subspecies is facing a series of threats to its survival including
poaching, habitat destruction and incidental catches in gill nets.
Information on the effects of anthropogenic pressure on dolphin
distribution is either scanty or completely lacking, and thus are
an impediment to effectively understand the conservation needs of
the species.
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