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People and Livelihood
The PPSRNP has a population of 3,829 individuals composed mostly of migrants and around 400 members of the Batak and Tagbanua, two of the seven cultural groups of Palawan. Settlements are concentrated along road and coastal areas. Most household earn their living from farming except in Sabang and Coastal areas of Marufinas, where many household depend on fishing. Currently tourism has emerged as the main economic activity in the area. Indigenous
People are traditionally engaged in gathering of minor forest products such as rattan, almaciga, and wild honey as the main source of income.
The PPSRNP is designated a core area for the Palawan Biosphere Reserve. It contains a full mountain to sea ecosystem and protect some of the most significant forest area within Palawan Biogeographic Province. The Palawan Moist Forest which is present in the Site, is noted in WWF’s Global 200 report as having the richest tree flora of Asia, with high levels of regional and local endemism.. The conservation significance of the Park’s forest at the international level
is heightened when considered in the context of the high levels of past and current deforestation in the Philippines and in the region. The role of the Puerto Princesa Subterranean River National Park takes a special urgency in this perspective.
The Site represents significant habitat for biodiversity conservation. It is inhabited by 7 wildlife species listed under Convention on International Trade of Endangered Species (CITES). The Park is identified as 1 of the 5 Endemic Bird Areas (EBA) of Palawan, considered as 1 of the 7 Important Bird Area (IBA) of the Philippines by Birdlife International (BI).
The marine component of the property is a small but important feature of the inscription and the mangrove swamp adjacent to the limestone hills, adds to what is a spectacular setting.