31.   Bhuiyan said the treaty did not have any provision to ensure a free flow of water for protecting the ecological balance or keeping the water pollution-free.

32.   Both traditional fishermen and seal hunters fear that the ecological balance of the sea could be destroyed with the stock of sea mammals increasing in uncontrolled fashion.

33.   But environmentalists fear that the fragile ecological balance of the region will be upset, with the appearance of a new type of customer at the travel agents.

34.   Environmentalists believe the dams would wipe out Himba culture while threatening the ecological balance of the river and its surroundings.

35.   It also seeks to maintain ecological balance and protect communications by sea for defense purposes.

36.   It cited a case in the northern Po river where the introduction of a species of predator fish from Eastern Europe had upset the ecological balance.

37.   The mixing of the two spieces upsets the delicate ecological balance and the numbers of both groups dwindle, the farmers warned.