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The protection of wild life and natural environment has been a part of Indian
ethos. Several wetlands in India support habitats for rare, threatened and endangered
wild life. The flora and fauna of these wetlands are sensitive to any change in
quality of their environment. Monitoring of biological component of these wetland
ecosystems through benthic macro-invertebrate is an efficient and cost-effective
tool for assessment of water quality in addition to abiotic component. The present
issue of `PARIVESH' deals with the bio-monitoring studies carried out for water
quality assessment of selected wetlands located in vicinity of important Bird
Sanctuaries. The studies highlight the information on environmental problems at
these wetlands associated with ecological status. The active cooperation of State
Pollution Control Boards of Uttar Pradesh, Andhra Pradesh, Rajasthan, Jammu &
Kashmir and Delhi Pollution Control Committee during the studies as well as coordination
support received from CPCB Zonal Offices at Kanpur, Kolkata, Bangalore and Bhopal
is gratefully acknowledged. The contribution made by Dr. (Mrs.) Pratima Akolkar,
Dr. C. S. Sharma, Dr. S. D. Makhijani for conducting the study is appreciated.
We hope, the information will be useful to all those concerned with protection
of wetlands and wildlife habitats. 
(Dilip
Biswas)
Chairman, CPCB
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