RISK ASSESSMENT OF JAVAN HAWK-EAGLE�S (Spizaetus bartelsi) HABITAT

• Main Authors: , SUBYANTORO TRI PRADOPO, , Dr. Projo Danoedoro
• Format: Theses and Dissertations NonPeerReviewed
• Published: [Yogyakarta] : Universitas Gadjah Mada 2012
• Subjects: ETD
• Online Access: https://repository.ugm.ac.id/98969/; http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=55513
• Institution: Universitas Gadjah Mada

Javan Hawk-eagle (Spizaetus bartelsi) plays a considerable important role in the ecosystem. With its endangered and protected status, every threat must be maintained in order to prevent such a national symbol of Indonesia from extinction. A major threat faced by the birds is destruction of their habitat due to human encroachment and wildfire, especially in the Mount Ciremai National Park. Substantially, understanding habitat degradation risk is crucial for developing appropriate conservation strategies in future years. This research was carried out on the basis of risk analysis through which the susceptibility of the hazardous factors and the vulnerability of element at risk were identified to estimate probable habitat degradation. Human encroachment and wildfire hazard as well as habitat vulnerability were measured by means of Spatial Multi Criteria Analysis. Hierarchical approach was utilized in order to develop semi-quantitative modelling. This research introduces both social and biophysical factors which were constructed from extensive study of previous research and experts� opinion. Land demand of subsistence farmers surrounding the national park was used as the entry point. Altogether with distance and land cover factors, it was used to measure human encroachment. Wildfire hazard was estimated from three aspect of the famous �triangle of fire� i.e. fuel availability, ignition, and environmental factor. Life requisites (foraging and breeding requirement) were used to portray habitat vulnerability. The result of this research revealed that 46.78% of the national park was threatened by accumulative hazard of human encroachment and wildfire. In the nutshells, only 454.12 ha (2.93%) and 3.860.35 ha (24.91%) of the area were all breeding and foraging habitat requirement fulfilled respectively. Meanwhile, 38.54% of total national park area were risked in maximum threat.