Author(s):

Sheeba Abraham

Abstract: Wetlands cover approximately 5%-8% of the global land area. These are important part of the ecosystem and are among the most threatened of all environmental resources. Wetlands directly and indirectly support millions of people in providing services. Human activities in wetlands may cause alterations of wetlands. Changes in wetland areas may significantly affect ecosystem processes. Land use changes such as increased urbanization play a pivotal role in environmental and ecological changes. Kerala has the largest proportion of land area under wetlands among all the states of India. Compared to other states of the country, wetlands in Kerala and hills are under threat because of developmental activities. Wetlands are being reclaimed with soil extracted from leveling of hillocks. These indiscriminate activities will have a serious negative impact on the entire ecological system.

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