Sierra Leone

Sierra Leone borders the Atlantic Ocean on the coast of Western Africa. Mangrove swamps line the coasts, and inland landscapes include hills, uplands, and mountains. Most of the country is used for human activities, in its majority by rangeland. Sierra Leone has high biodiversity rarity of terrestrial land vertebrates at a global scale. When analysed as single taxons, the rarity of amphibians and mammals is also high. The rarity of marine fish and mammals is also high. Challenges to biodiversity include rapid population growth; deforestation; soil exhaustion; air pollution; water pollution; and overfishing.