Kwatrina RT, Santosa Y, Bismark M, Santoso N. 2018. The impacts of oil palm plantation establishment on the habitat type,species diversity, and feeding guild of mammals and herpetofauna. Biodiversitas 19: 1213-1219. Indonesia is the world’s largestproducer of palm oil. Contributing 2.14% to the country’s gross domestic product, palm oil plays an important role in the nationaleconomy from plantation sector. However, the expansion of oil palm plantations has brought negative impacts to forests and wildlife.Little is known to what extent these negative impacts on mammals and reptiles can be reduced through better management. To addressthis knowledge gap, the current study assessed species diversity as affected by the establishment of the oil palm plantation in CentralKalimantan, a tropical biodiversity hotspot in Asia. We conducted 25 line transect surveys and visual encounter surveys in oil palmareas, shrubs and secondary forests in these landscapes. The results indicated that the establishment of oil palm plantation negativelyimpacted species abundance and diversity, and changed the mammal and reptile species composition, by favoring ecologically generalistspecies. For forest specialist species, forested areas like HCV and HCS, play an important role in maintaining habitat heterogeneity inoil palm landscapes. Mammal species found in habitat conditions following oil palm plantations belong to some feeding groups,whereas all species of herpetofauna have terrestrial habitat types. These mammal and herpetofauna species can live and function in thefood chain in the oil palm plantation ecosystem.
Abstract. Master J, Qayim I, Setiadi D, Santoso N. 2020. Autecology of Melastoma malabathricum, an invasive species in the Way Kambas National Park, Indonesia. Biodiversitas 21: 2303-2310. Melastoma malabathricum has become one of the invasive plants in the Way Kambas National Park (WKNP), Lampung, Indonesia. This plant is feared to be a problem in efforts to conserve biodiversity in the WKNP area. Therefore, this study aimed to analyze the factors causing the invasion of these plants. The vegetation analysis plot was placed on three types of habitats in the study location, namely, forests, swamps, and invaded swamps, then measurements and records of vegetation data and abiotic factors were recorded in each plot. The results reveal that M. malabathricum dominates swamp habitat and negatively associated with trees, which can provide canopy. Abiotic factors, such as canopy cover, water level, and soil fertility, become supporting factors for the invasion. In addition, climate change, which is causing drought also contributes to the invasion of M. malabathricum at the WKNP.
Mangrove forests in Jakarta Bay have been degraded and deforested, resulting in flooding, intrusion, abrasion, and reduced fishery production. Mangrove forests have the characteristics of common property resources that tend to be damaged because their rights difficult to enforces. The parties involved in carrying out their role are not optimal so that conditions remain degraded. This study was conducted to find a form of the arrangement of the party's role in the mangrove forest management. Research conducted at Muara Angke, North Jakarta and Muara Gembong, Bekasi Regency. The results showed that key players have not made a comprehensive plan of mangrove forest management. In order to realize sustainable mangrove, it's required to increase the role of the people who originally only as Subjects to become Key Players through community development activities. NGOs and Research Institutions need to increase the role from Crowds into Context Setters which have great impact in policy making. It is needed to form the Coordinating Team of Mangrove Ecosystem Management Strategy at the provincial and regent levels to synergize the policy and management program of mangrove ecosystems. Empowerment activities need to be carried out intensively to promote changes in the role of mangrove management.
Urban forests have a high intensity of exposure from external factors such as air pollution and human activity disturbances. As a result, fallen trees and tree defects often occurred and can endanger the people around the city. This study aimed to assess tree health in Cianjur Urban Forest and formulate tree health management strategies. The tree health assessment used the Forest Health Monitoring (FHM) method. The management strategy was formulated using the Strengths, Weaknesses, Opportunities, and Threats (SWOT) Matrix and Quantitative Strategic Planning Matrix (QSPM). Tree sampling using FHM plots determined about 534 trees from 30 species. The results showed that Cianjur Urban Forest had high land productivity and biodiversity. The canopy condition was 86.41% in good condition. The results revealed that 92.70%, 5.34%, 1.31%, and 0.56% of the trees were in healthy, lightly, moderately, and heavily damaged conditions, respectively. The tree species that suffered the most damage was Acacia denticulosa. The most types of tree damage were leaf damage and rotten wood. Cianjur Urban Forest benefits the community as a place for natural tourism, sports, education, and expand job opportunities. However, the management of Cianjur Urban Forest has not been implemented effectively. There are three priority strategies to improve tree health management in Cianjur Urban Forest, i.e., conducting the assessment, evaluation, and action on damaged trees, community cooperation, institutional strengthening development programs, and optimizing collaboration and government commitment with managers.Keywords: Forest Health Monitoring, SWOT analysis, QSPM matrix, urban forest
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