|Location||Philippines, Region IX|
|Central coordinates||122o 4.00' East 6o 53.00' North|
|IBA criteria||A1, A2|
|Altitude||200 - 1,100m|
|Year of IBA assessment||2001|
Site description Pasonanca Watershed is only 7 km north of Zamboanga City at the tip of the Zamboanga Peninsula in southwestern Mindanao. It has the largest block of old growth lowland dipterocarp forest remaining in Region 9, and a DENR Protected Area Survey Assessment (PASA) reports that old growth and secondary growth forest covers about 60% of the area. The rest is agricultural land, coconut plantations and built-up areas. Rock formations and numerous rivers and springs provide additional habitats for wildlife. It has a rolling terrain with moderate to steep slopes. Tenured migrants have occupied part of the watershed since the 1950s. Since it is close to the city, housing projects have been constructed by developers at the edge of the watershed. There is also a picnic and camping area adjacent to the watershed, including a Boy Scouts of the Philippines camp. Pasonanca Watershed is the only source of potable water for Zamboanga City, and the Tumaga River also provides industrial and irrigation water for the area around the city.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Japanese Night-heron Gorsachius goisagi||-||2001||present [units unknown]||-||A1||Endangered|
|Chinese Egret Egretta eulophotes||-||2001||present [units unknown]||-||A1||Vulnerable|
|Philippine Eagle Pithecophaga jefferyi||-||2001||present [units unknown]||-||A1||Critically Endangered|
|Mindanao Bleeding-heart Gallicolumba crinigera||-||2001||present [units unknown]||-||A1||Vulnerable|
|Spotted Imperial-pigeon Ducula carola||-||2001||present [units unknown]||-||A1||Vulnerable|
|Philippine Cockatoo Cacatua haematuropygia||-||2001||present [units unknown]||-||A1||Critically Endangered|
|Giant Scops-owl Otus gurneyi||-||2001||present [units unknown]||-||A1||Vulnerable|
|Blue-capped Kingfisher Actenoides hombroni||-||2001||present [units unknown]||-||A1||Vulnerable|
|Rufous-lored Kingfisher Todiramphus winchelli||-||2001||present [units unknown]||-||A1||Vulnerable|
|Philippine Dwarf-kingfisher Ceyx melanurus||-||2001||present [units unknown]||-||A1||Vulnerable|
|Silvery Kingfisher Alcedo argentata||-||2001||present [units unknown]||-||A1||Vulnerable|
|Mindanao Broadbill Eurylaimus steerii||-||2001||present [units unknown]||-||A1||Vulnerable|
|Azure-breasted Pitta Pitta steerii||-||2001||present [units unknown]||-||A1||Vulnerable|
|Celestial Monarch Hypothymis coelestis||-||2001||present [units unknown]||-||A1||Vulnerable|
|Little Slaty Flycatcher Ficedula basilanica||-||2001||present [units unknown]||-||A1||Vulnerable|
|Philippine Leafbird Chloropsis flavipennis||-||2001||present [units unknown]||-||A1||Vulnerable|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Pasonanca||Natural Park||12,066||protected area contains site||11,935|
|Pasonanca Buffer Zone||Natural Park - Buffer Zone||5,479||protected area overlaps with site||700|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Artificial - terrestrial||-|
Protection status Pasonanca Watershed Forest Reservation was declared by Presidential Proclamation No. 199 on 17 December 1987. The protected area covers 12,106.61 ha with a buffer zone of 5,307 ha.
References Haribon Foundation (1998).
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Pasonanca Natural Park. Downloaded from http://www.birdlife.org on 07/03/2014
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