The park is known internationally amongst conservationists for its biologically rich dense virgin rainforests. It is also characterized by a wide range of biotopes, from lowland and mountain forests, to mangroves and savanna area, which contribute to its unique ecosystem. The park includes virgin Atlantic high altitude rainforest and secondary rainforest (known to locals as capoeira) which contains abandoned plantations.[6]
In 1988, scientists classified the forests of São Tomé and Príncipe as the second most important in terms of biological interest out of 75 forests of Africa; most of the species found in the islands are found in the national park.[6] The WWF has listed the forests of the national park as among the Global 200, the 200 most important biological areas on the planet.[7] The forest of Obo is listed as an Important Bird Area (IBA) of Africa.[6]
Flora and fauna
There are about 700 plant species on the island of São Tomé,[8] of which 95 are endemic.[9] Flora includes the evergreen coniferous Afrocarpus mannii. Orchids, ferns and mosses are common in the area.
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