Distribution and Status of Endangered Plant Species Found in Aketajawe Lolobata National Park

Hasan, Said and Tolangara, Abdulrasyid and Liline, Sintje and Ahmad, Hasna (2017) Distribution and Status of Endangered Plant Species Found in Aketajawe Lolobata National Park. International Journal of Science and Research Methodology, 8 (2). pp. 173-181. ISSN 2454-2008

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Abstract

Taman Nasional Aketajawe Lolobata (Aketajawe Lolobata National Park) has a richness in flora and fauna diversity. This area becomes a natural museum for various kinds of trees that are highly economical. This study aimed to describe the distribution pattern and population status of endangered trees. The line transect method was employed to observe plants distribution points around the National Park, particularly those which are close by the Tayawi watershed in Tidore, North Maluku. A stub was made and transects were created on the left and right of the road, parallel with the stub. The length and the width of each transect line were 500m and 100m respectively, and the distance between transects was 20m. A 10x10m observation plot was made along the transect line. Vegetation parameters measured were the number of species and the number of each speces individual. Data was analyzed to determine the distribution pattern and population status of each species. The results of the research suggest that there are five endangered species found: Anisophtera costata Korth, Pterocarpus indicus Willd., and Hopea mengerawan Miq.with random distribution pattern; Agathis dammara (Lamb.) and Intsia bijuga O.Kize with dispersal distribution pattern. Furthermore, findings also show that there is a possibility that some species have changed their distribution pattern and population status. Anisophtera costata Korth changed its status from vulnerable (Vu) into vulnerable on the area occupied. Meanwhile, Agathis dammara (Lamb.) changed its status from vulnerable (Vu) into critical due to its decreased population and narrowed occupied area. In addition, Pterocarpus indicus Willd.,and Intsia bijuga O.Kize, changed their status from vulnerable (Vu) into critical (CR) because of their declined population. Finally, Hopea mengerawan Miq, has adjusted to the random distribution pattern.

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