Hainan
Flora and fauna

Hainan has over 1,500 km (580 sq mi) of tropical forest, in which can be found over 4,600 types of plants and more than 570 species of animals. The nature observation database iNaturalist.org currently lists 6,687 species of plants, animals and fungi as having been observed on Hainan Island (in 2024). In modern times, however, the small island's natural balance has been threatened, largely due to the introduction of exotic species, as well as human impacts from tourism, deforestation, and the use of herbicides, pesticides and other such pollutants. A report from the Department of Land, Environment and Resources of Hainan Province states that 200 species are near extinction, with six plant species, such as Maytenus hainanensis and Sciaphila tenella, having been declared extinct.

Two ecoregions cover the island. The South China-Vietnam subtropical evergreen forests cover the lowlands, and extend onto the adjacent mainland. The Hainan Island monsoon rainforests covers the interior of the island, and includes montane rain forests with a more seasonal climate and more deciduous trees.
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