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Borneo rainforest. Some tropical forest types are difficult to categorize. While forests in temperate areas are readily categorized on the basis of tree canopy density, such schemes do not work well in tropical forests. [1] There is no single scheme that defines what a forest is, in tropical regions or elsewhere.
Amazon River rain forest in Peru. Tropical rainforests are hot and wet. Mean monthly temperatures exceed 18 °C (64 °F) during all months of the year. [4] Average annual rainfall is no less than 1,680 mm (66 in) and can exceed 10 m (390 in) although it typically lies between 1,750 mm (69 in) and 3,000 mm (120 in). [5]
English: Primary virgin tropical rainforest in Palawan, Philippines. The remainder of tropical rainforest in the Philippines is found on the island Palawan. The flora and fauna in Palawan is quite unique to the island, and is said to have more in common with that of Borneo than with the rest of the Philippines.
The Palawan rain forests ecoregion (WWF ID:IM0143) covers the Palawan Island Archipelago, centered on Palawan Island, the sixth largest island in the Philippines.The islands act as an ecological bridge between Borneo and the main islands of the Philippines, even though there were channels between the islands through the last ice age when sea levels were low.
Threats to the rainforests include destruction and fragmentation of forests by commercial logging, oil palm plantations, and mining. The bushmeat trade and poaching is depleting the rainforests of wildlife. [2] With annual forest loss of 0.3% during the 2000s, [5] the region had the lowest deforestation rate of any major tropical forest zone. [6]
The Hawaiian tropical rainforests are a tropical moist broadleaf forest ecoregion in the Hawaiian Islands. They cover an area of 6,700 km 2 (2,600 sq mi) in the windward lowlands and montane regions of the islands. [1] Coastal mesic forests are found at elevations from sea level to 300 m (980 ft). [2]
Seasonal (mixed) tropical forests can be found in many parts of the tropical zone, with examples found in: In the Asia-Pacific region: seasonal forests predominate across large areas of the Eastern Java, Wallacea, Indian subcontinent and Indochina. Eastern Java monsoon forests; Wallacea Forest; Brahmaputra Valley semi-evergreen forests
The South Florida rocklands ecoregion, in the tropical and subtropical moist broadleaf forests biome, occurs in southern Florida and the Florida Keys in the United States, where they would naturally cover an area of 2,100 km 2 (810 sq mi).