Gambia: Curbing Climate Change

editorial

Climate change in The Gambia is a critical problem, which is adversely affecting the structure and functionof the country's ecosystems. Upland ecosystems have degraded largely due to erratic rainfall, overgrazing, soil erosion and intensive cultivation, the result of intense pressure on land resources, high population growth and recurrent droughts. Lowland ecosystems and riverine wetlands are threatened by salinity in the western half of the country, siltation and sedimentation resulting from upland degradation caused by erosion.

Declining rainfall over the last 45 years has increased aridity in the uplands and acidity/salinity of soils in the lowlands. The reduced flow of the Gambia River has caused saltwater intrusion from the Atlantic Ocean in much of the river basin. This degradation is manifested through loss of the natural productivity of the land; loss of native biological diversity and therefore its resilience; increased emission of carbon dioxide and reduced carbon sequestration; and the degradation of watershed functions, including destabilization of sediment storage and release.

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