Port Blair, Apr 8: The Environment Department of the JNRM here conducted environment study tour for the students in association with the Anthropology Survey of India and NOIT, Dollygunj on Wednesday. The faculty members, Smt Rupali Gill, Smt Aparna Singh and Mr Rajshekhar coordinated the tour for 55 students of BBA and BCA. Dr. N.V. Vinithkumar, Officer-in-Charge, NIOT, Port Blair gave an educative presentation on Marine Ecosystem, Pollution Control Monitoring, EIA study and Fish Culture to the students.