Tropical Asia

Through a crop-based biodiversity, natural resources and animals (birds, fruits, and forests), Tropical Asia is economically and physiogeographically rich. There are 16 countries of Tropical Asia ranging in size from around 610 km² (Singapore) to 3,000,000 km² (India). Its population, is dominantly rural—however, in 1995, a census showed that a region with 6 out of 25 of the large cities. The population is 1.6 billion, likely to reach 2.4 billion in 2025. Climate in Tropical Asia is subject to seasonal weather patterns with the two monsoons and the amount of tropical cyclones in the three core areas of cyclogenesis (the Bay of Bengal, north Pacific Ocean and South China Sea). The climate varies over several environmental factors such as: growing urbanization, land industrialization and economic development or the opposite land degradation, environmental issues, and increased pollution.

In Tropical Asia, momentous elevational lifts on the ecosystems on the mountains show change in distribution and behavior of the rainforest. In Thailand, for instance, the area of tropical forests could increase from 45% to 80% of the total forest cover, while in Sri Lanka, a substantial change in dry forest and decrease in wet forest might occur. With predictable increases in evapotranspiration and rainfall changeability, likely a negative impact on the viability of freshwater wetlands will occur, resulting in contraction and desiccation. Sea level and temperature rises are the most likely major climate change-related stresses on ecosystems. Coral reefs might be capable of surviving this intensification, but suffer bleaching from high temperatures. Landward migration of mangroves and tidal wetlands is likely to be inhibited by human infrastructure and human activities.

Coastal lands, in particular, are very vulnerable to major climate changes especially on seas. Particularly, heavily settled and intensified used low-level coastal plains, deltas, and islands are particularly susceptible to coastal erosion and land loss, sea flooding and barrage, especially vulnerable to coastal erosion and land loss, inundation and sea flooding, upstream movement of the saline/freshwater front and seawater incursion into freshwater lenses. Mainly at risk are large delta regions of Bangladesh, Myanmar, Viet Nam and Thailand, and the low-lying areas of Indonesia, Malaysia and the Philippines. Socio-economic effects may be noticeable to major cities and ports, tourist resorts, artisanal and commercial fishing and coastal agriculture, and infra-structure development. Global studies have expected the dislodgment of several millions of people from the region's coastal zone, probably a 1-metre rise in sea level.

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