- when the forest disappears, there is no regulation of the flow into rivers. As a result, flood and droughts alternate in the affected areas.
- Mrine ecosystems support more than 660 million jobs jobs globally and are significant source of protein, particularly in developing countries.
Pesticide spraying to control insects leads to poisoning all the way up to the food chain and unintended loss of predatory hawks,owls,eagles.In the absence of predators pests flourish.
Oil exploration and military activities disrupt the ecosystem,contaminate areas, and lead to decline of species.