Today is July 07, 2020
Today is July 07, 2020
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Ilog Hilabangan Watershed Forest Reserve

Address: Central Negros

Description: Located in Central Negros, this reserve is a highly challenged forest ecosystem, having suffered 46% forest cover loss in the past 40 years. Logging, land conversion, and the practice of slash-and-burn has been the primary culprits for this. Recent documented loss of fauna species in different sites within the reserve further emphasize the need for conservation activities.

Status: Closed

Site Profile Summary


Ecosystem Types


Protection Status

Local Government Code of 1991 (Republic Act 7160)


10,400.06 hectares

Biogeographic Features

  • Ilog-Hilabangan Watershed Forest is the 11th largest watershed in the country

  • The plains of Ilog-Hilabangan feature an irregularly depressed area with alluvial soil in the flat lands and sloping hills

  • Alluvial deposits are mostly found in the vicinity of the mouth of the Ilog-Hilangan River System.

  • The IHFWR, particulary its forest and biodiversity, is at risk and already in a critical stage.


  • According to Tababa, et. al (2011), about 108 species of pioneer trees in the watershed were already highly disturbed and exploited.

  • However, despite the man-made exploitation of endemic trees, several dipterocarp species, such as Almon (Shorea almon), Apitong (Dipterocarpus grandiflorus), Bagtikan (Parashorea meleanonan), Red Lauan (Shoreane gronesis), White Lauan (Shorea constora), and Tanguile (Shorea polyperma), were still observed in the area.


  • As for the present in the area, while 65 bird species were recorded, 63 of which are considered breeding residents.

  • In addition, the 2004 Resource Basic Inventory (RBI) study showed that the IHWFR was the habitat of the endemic bird species namely: Philippine hawk eagle (Spizaetus philippensis); white-eared brown dove (Phapitreron leucotis); pink-bellied imperial pigeon (Ducula poliocephala); blue-naped parrot (Tanygnathus lucionensis); blue crowned racquet-tailed (Prioniturus discurus); Philippines couca; (Centropus viridis); Philippine scops-owl (Otus megalotus); tarictic hornbill (Penelopides panini); Walden's hornbill (Aeros waldeni); and white-winged cuckoo-shike (Coracina ostena)

Livelihood Resources

  • Charcoal-making

  • Farming

Other Matters of Significance



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