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Pollution of Water Bodies
The main causes of water pollution are the
indiscriminate use of pesticides and fertilizers, especially where
intensive farming practices are used, and urban, industrial, and
agroindustrial waste discharges. The water bodies being affected in
Nicaragua are Lake Nicaragua, the San Juan River and its coastal zone, the
wetlands to the south of Lake Nicaragua. In Costa Rica the Caño Negro
wetlands, the Colorado River, and the Tortuguero canals are suffering the
consequences of degraded water quality. Sporadic die-offs of aquatic fauna
and flora give evidence of such degradation, as do small-scale and
occasional studies of water quality that have been carried out in some
parts of the SJRB.
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