Clean Ganga: First ever across-the-river survey to figure out aquatic population

In a bid to arrive at an authentic database of aquatic life, the Centre has initiated the first ever across-the-river survey in Ganga. The Centre also aims to know the exact population of the endangered Gangetic doplhin.
“The survey is aimed to create a baseline scientific data of aquatic life to help the agencies to take suitable measures to improve quality of the river water,” the National Mission for Clean Ganga (NMCG) has said.
The NMCG has stated that the first part of the survey had been launched on March 1 from Narora to Bijnor in Uttar Pradesh. The length of the river between the two places is 165 km. The survey will further extend on the Allahabad-Varanasi stretch, which is 250 km long. This part of the survey is expected to be launched this week.
The survey also aims to figure out fish species composition in the 2525 km-long Ganga river, for which the exercise has been launched from Harshil in Uttarakhand.
The NMCG has roped in Wildlife Institute of India (WII), an autonomous institution of Environment and Forest Ministry, under Namami Gange programme for conducting the survey.
The survey will also find out stretches where dolphin is habitating, besides conditions of their habitations. The survey will also seek to pinpoint the number of ghariyals and turtles in the river.
About the across-the-river survey:
1) The first leg of the census was launched on March 1 from Narora in Uttar Pradesh to Bijnor (covering a distance of about 165 km) to establish the number of the national aquatic animal
1)The survey in the Allahabad to Varanasi stretch (close to 250 km) is expected to be launched this week
2)The survey will also find out stretches where dolphin is habitating, besides conditions of their habitations
3)The survey will also seek to ascertained number of ghariyals and turtles in the river after the summer set in fully as their nesting happens then and the counting will continue until October this year
4)Apart from populace count, the study will also help in knowing the distribution pattern of aquatic life in the river, extent of threat level they are facing and their habitat conditions
5)Wetlands and floodplains would also be covered during the survey once the monsoon sets in. A similar census would be conducted in the Ganga’s tributaries after its mainstream is covered
6)A study to figure out fish species’ composition in the 2,525 km river has also been kick-started from Harshil in Uttarakhand. The authority is conducting the survey through Dehra Dun-based Wildlife Institute of India (WII) under the Namami Gange programme
7)The WII has been roped in to coordinate with the forest departments of Ganga basin states of Uttarakhand, Uttar Pradesh, Bihar, Jharkhand and West Bengal. Besides, eight NGOs involved in bio-monitoring activities have also joined the study.

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