Bhubaneswar, April 15 The nesting ground at unmanned Nasi-2 Island in Gahirmatha marine sanctuary, which used to play host to lakhs of female olive ridley turtles for annual mass nesting in the past years, has undergone severe erosion with mighty sea waves constantly battering the beach in Odisha's Kendrapara district.The erosion of nesting beach has left the wildlife personnel in a spot of bother as the olive ridley sea turtles are yet to turn up at Gahirmatha rookery for the annual mass nesting.As the mass nesting has got considerably delayed, apprehension of marine animals skipping their annual sojourn at the tranquil beach looms large.The Olive turtles turn up in millions for mass nesting along the Odisha coast every year. Gahirmatha be...