|Central coordinates||101o 57.00' East 6o 12.00' North|
|IBA criteria||A1, A3|
|Altitude||0 - 1,131m|
|Year of IBA assessment||2004|
Site description The IBA comprises HRH Princess Sirindhorn Wildlife Sanctuary, commonly known as Pa Phru To Daeng, which includes the largest remaining peatswamp forest in Thailand. The site is located c.7 km from the east coast of peninsular Thailand, close to the international border with Malaysia. The peatswamp forest is developed on the site of a shallow inland sea that subsequently became a freshwater lake. While the topography of the eastern part of the site is characterised by a flat plain, the western part is dominated by a range of low mountains. The site supports approximately 7,870 ha of relatively undisturbed peatswamp forest, comprising primary and secondary peatswamp dominated by Melaleuca spp., shrub swamp, freshwater swamp forest and seasonally inundated forest. Characteristic species include Neesia malayana, Dacryodes incurvata, Alstonia spp., Koompassia malaccensis and Goniothalamus giganteus. Degraded swamp forest covers a further c. 6,800 ha of the site, and there is a small amount of forest dominated by Melaleuca cajuputi in the north. The site also supports a distinctive short sward vegetation community, which includes Eleocharis dulcis and Marcaranga spp. In 2001, HRH Princess Sirindhorn Wildlife Sanctuary was designated as a Ramsar Site.
Key Biodiversity The peatswamp forest at the site is an important habitat for the globally threatened Masked Finfoot Heliopais personata, which is thought to be a non-breeding visitor but may, potentially, breed at the site. Previously, the site supported a small breeding population of the globally threatened Lesser Adjutant Leptoptilos javanicus. However, the species is not known to have bred at the site since 1997. The site supports a rich lowland forest avifauna, with 29 globally near-threatened species, many of which are restricted to the Sundaic Lowland Forests (Biome 14). Of these species, the site is of particular note for Malaysian Blue Flycatcher Cyornis turcosa, as it is the only site in Thailand where it breeds. The site qualifies under criterion A3 because it supports one species (Masked Finfoot) restricted to the Indochinese Tropical Moist Forests (Biome 09) and 61 species restricted to the Sundaic Lowland Forests (Biome 14).
Non-bird biodiversity: Mammals Otter-civet Cynogale bennettii (EN) Flat-headed Cat Prionailurus planiceps (VU) Reptiles Spiny Turtle Heosemys spinosa (EN) Giant Asian Pond Turtle Heosemys grandis (VU) Black Marsh Turtle Siebenrockiella crassicollis (VU) Plants Dipterocarpus chartaceus (CR) Shorea roxburghii (EN) Intsia bijuga (VU) Mangifera pentandra (VU) Pholidocarpus macrocarpus (VU)
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Lesser Adjutant Leptoptilos javanicus||resident||2004||present||-||A1||Vulnerable|
|Masked Finfoot Heliopais personatus||unknown||2004||present||-||A1||Endangered|
|2004||very high||not assessed||not assessed|
|Good - based on reliable and complete / representative data|
|Agricultural expansion and intensification||annual & perennial non-timber crops - agro-industry farming||happening now||small area/few individuals (<10%)||slow but significant deterioration||low|
|Natural system modifications||dams & water management/use - abstraction of ground water (agricultural use)||happening now||whole area/population (>90%)||moderate to rapid deterioration||very high|
|Natural system modifications||fire & fire suppression - increase in fire frequency/intensity||happening now||some of area/population (10-49%)||slow but significant deterioration||medium|
|Over-exploitation, persecution and control of species||logging & wood harvesting - unintentional effects: subsistence/small scale||happening now||some of area/population (10-49%)||slow but significant deterioration||medium|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Chalerm Prakiat Somdej Prathep Ratsuda||Wildlife Sanctuary||20,120||is identical to site||20,100|
|Phu Pan Daeng||Wildlife Sanctuary||23,107||protected area contains site||20,100|
|Princess Sirindhorn Wildlife Sanctuary (Pru To Daeng Wildlife Sanctuary)||Wetlands of International Importance (Ramsar)||20,100||is identical to site||20,100|
|IUCN habitat||Habitat detail||Extent (% of site)|
References Bird Conservation Society of Thailand Bulletin 18(11): 10-11 (November 2001). BirdLife International (1998) Proceedings of the Thailand IBA workshop, Bangkok, November 1998. Unpublished report. BirdLife International (2001) Threatened birds of Asia: the BirdLife International Red Data Book. Cambridge, UK: BirdLife International. Ramsar Bureau website http//: www.ramsar.org Round, P. D. (1988) Resident forest birds in Thailand: their status and conservation. Cambridge, UK: International Council for Bird Preservation. UNEP/World Conservation Monitoring Centre website http//:www.wcmc.org.uk/protected_areas Wildlife Conservation Division (2000) Basic data for wildlife sanctuaries in Thailand. Bangkok: Office of Natural Resources Conservation, Forestry Department.
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Chaloem Pra Kiet (Pa Phru to Daeng). Downloaded from http://www.birdlife.org on 21/12/2014
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