Tropical peat is a type of histosol that found in tropical latitude, including South East Asia, Africa, and Central and South America. Tropical peat mostly consists of deadorganic matter from trees instead of spaghnum which are commonly found in temperate peat. This soil usually contain high organic matter content, exceeding 75% with dry low bulk density around. Areas of tropical peat are found mostly in South East Asia although are also found in Africa, Central and South America and elsewhere around the Pacific Ocean. Tropical peatlands are significant carbon sinks and store large amounts of carbon and their destruction can significantly impact on the amount of atmospheric carbon dioxide. Tropical peatlands are vulnerable to destabilisation through human and climate induced changes. Estimates of the area of tropical peatland vary but a reasonable estimate is in the region of. Although tropical peatlands only cover about 0.25% of the Earth's land surface they contain 50,000-70,000 million tonnes of carbon. In addition, tropical peatlands support diverse ecosystems and are home to a number of endangered species including the Orangutan. The native peat swamp forests contain a number of valuable timber-producing trees plus a range of other products of value to local communities, such as bark, resins and latex. Land-use changes and fire, mainly associated with plantation development and logging, are reducing this carbon store and contributing to greenhouse gas emissions. The problems that result from development of tropical peatland stem mainly from a lack of understanding of the complexities of this ecosystem and the fragility of the relationship between peat and forest. Once the forest is removed and the peat is drained, the surface peat oxidises and loses stored carbon rapidly to the atmosphere. This results in progressive loss of the peat surface, leading to local flooding and, due to the large areas involved, global climate change. Failure to account for such emissions results in underestimates of the rate of increase in atmospheric GHGs and the extent of human induced climate change.
