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Journal of Multidisciplinary Studies

Discipline: Multidisciplinary Studies

The Journal of Multidisciplinary Studies (JMDS) is a peer-reviewed multidisciplinary journal which aims to publish biannually finest research articles in social sciences, natural sciences, engineering and technology and other subject areas. Submitted papers should describe original and previously unpublished works, not currently under review by another

JMDS provides a platform for dissemination of research findings, new research areas and techniques, conceptual developments and articles with practical applications and contribution to society.


Abstract
Species Abundance, Importance, Conservation Status and Regenerative Potential of the Philippine Endemic Dipterocarp trees in the Southern portion of Mt. Malindang Range Natural Park, Mindanao, Philippines
1Eden C. Pito, 1Bobby B. Alaman, 1,2, Yunalyn Labajo-Villantes, 1Jersam C. Calago, 1Hanzen B. Tomatao, 1,3Grace V. Villanueva, 1,4Alfredo F. Garrido Jr., 5Rey S. Fernandez

The Dipterocarp tree species are dominant in the forest ecosystem in Southeast Asia, including the Philippines. Mt. Malindang and its forest ecosystems is dominated by dipterocarp tree species. At present its population dwindle due to timber poaching, land conversion, and other anthropogenic activities. This study aimed to determine species abundance, importance, conservation status and regenerative potential of dipterocarp species in the two (2) hectares permanent monitoring plot in the southern portion of Mt. Malindang, Philippines. No study has been conducted, and there is no existing data of dipterocarp species in the southern part of the park. The present study found nine species belongs to the Dipterocarpacea family. Six hundred seventy-five (675) dipterocarp tree species were recorded, categorized as a sapling, pole size, or intermediate and mother tree/matured trees. About four genera of dipterocarp species were discovered: Shorea, Parashorea, Dipterocarpus, and Anisoptera. Genus Shorea has the highest population. All recorded dipterocarp species were listed in IUCN Red List in 2018, seven critically endangered (CR), 1 Endangered (EN), 1 Vulnerable (VU), and while based on DAO 2017-01, the dipterocarp species are only considered vulnerable and other threatened species (OTS). The Shorea contorta has the highest importance value of about 252.80, while the Shorea almon has the lowest 0.650. All recorded dipterocarp species are identified as Philippine endemic. It shows that dipterocarp regenerants are dominated by Shorea contorta, with a record of about 91.44%. Thus, the abundance of saplings as regenerants in the southern portion of Mt. Malindang has regenerative potential of the of the Philippine endemic dipterocarp tree species as young trees grows naturally and vigorously in the park.

KEYWORDS: abundance, dipterocarp, Mt. Malindang, Philippine endemic, regenerants
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