Tenasserim-South Thailand semi-evergreen rain forests

Tenasserim-South Thailand semi-evergreen rain forests
	Kaeng Krachan National Park, Thailand
	Ecoregion territory (in purple)
Ecology
Realm	Indomalayan
Biome	tropical and subtropical moist broadleaf forests
Borders	List Chao Phraya lowland moist deciduous forests; Indochina mangroves; Irrawaddy moist deciduous forests; Kayah-Karen montane rain forests; Myanmar Coast mangroves; Myanmar coastal rain forests; Peninsular Malaysian rain forests;
Geography
Area	95,593 km2 (36,909 sq mi)
Countries	Malaysia, Myanmar, and Thailand
Conservation
Conservation status	Relatively stable/intact
Protected	21,105 km² (22%)[1]

The Tenasserim-South Thailand semi-evergreen rain forests are a tropical moist forest ecoregion in Southeast Asia. The ecoregion extends north–south along the Kra Isthmus. It includes lowland forests along the coasts, and montane forests in the Tenasserim Hills and Bilauktaung range, which form the mountainous spine of the isthmus.

Geography

In the northern portion of the ecoregion, it is bounded by other tropical forest ecoregions in the coastal lowlands – the Myanmar coastal rain forests along the Andaman Sea to the west, and the Chao Phraya lowland moist deciduous forests to the east along the Gulf of Thailand. In its southern portion the ecoregion extends all the way to the coast. On the south it is bounded by the Peninsular Malaysian rain forests ecoregion.

Flora

Dipterocarps are the dominant trees, and species vary with elevation and latitude. Semi-evergreen trees that lose some of their leaves during the dry season are common in the lowlands, and evergreen trees are predominant in the montane forests.[2]

The Kangar-Pattani floristic boundary forms the southern end of the ecoregion, and marks the boundary between the mostly deciduous and semi-evergreen forests of Indochina and the mostly evergreen forests of Sundaland and Malesia. South of the boundary rainfall becomes more year-round without as pronounced a dry season.

Fauna

The ecoregion's extensive areas of intact forests support some large mammals, include the Asian elephant (Elephas maximus), tiger (Panthera tigris), gaur (Bos gaurus), banteng (Bos javanicus), sun bear (Helarctos malayanus), leopard (Panthera pardus), clouded leopard (Pardofelis nebulosa), and binturong (Arctictis binturong).[3]

The ecoregion is home to 560 species of birds, including one endemic species, Gurney's pitta (Pitta gurneyi).

Conservation

A 2017 assessment found that 21,105 km², or 22%, of the ecoregion is in protected areas. Another 72% of the ecoregion is forested but outside protected areas.[4]. Protected areas include Ao Phang Nga National Park, Kaeng Krachan National Park, Kaeng Krung National Park, Khao Pu-Khao Ya National Park, Khao Sok National Park, Lenya National Park, Mu Ko Phetra National Park, Tai Romyen National Park, Tanintharyi National Park, Tarutao National Park, and Thale Ban National Park in Thailand.

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External links

"Tenasserim-South Thailand semi-evergreen forests". Terrestrial Ecoregions. World Wildlife Fund.

References

Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.
Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.
Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.
Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.

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[1] Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.

[2] Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.

[3] Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.

[4] Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.