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Tree diversity along an altitudinal gradient in Mount Ciremai National Park, West Java, Indonesia

2012Tree diversity along an altitudinal gradient in Mount Ciremai National Park, West Java, Indonesia.HAMURABY ROZAK Andes (Indonesia)andeshr@gmail.com
Organisation:Christian Albrechts University, Kiel (DE) - Mount Ciremai National Park, West Java (Indonesia)Supervisor :
Summary: The study of tree diversity and their abundance along an altitudinal gradient was conducted in Mount Ciremai National Park, West Java, Indonesia. The aim of this study was to explain the tree diversity, similarity and dissimilarity between zone, species ordination, and altitudinal effect to species-family number, tree density, basal area, and tree biomass in Mount Ciremai National Park. The total of 136 sub-plots were established in four different zones which are the tropical zone (500-1000m asl.), the sub-montane zone (1000-1500m asl.), the montane zone (1500-2400m asl.), and the sub-alpine zone (>2400m asl.). The resulting data were analyzed using the continuum index approach to analyze tree diversity. canonical community ordination to analyze species ordination. and regression analysis to analyze the altitudinal effect to tree diversity, tree density, basal area, and tree biomass. The result shows that the most dominant tree species in Mount Ciremai National Park is Cryptocarya ferrea Blume in the tropical zone, Castanopsis argentea (Blume) A.DC. in the sub-montane zone and the montane zone, and Palaquium rostratum (Miq.) Burck in the sub-alpine zone. Meanwhile, the most dominant tree family is Lauraceae in the tropical zone, Fagaceae in the sub-montane zone and the montane zone, and Sapotaceae in the sub-alpine zone. Then, the species ordination result shows different species ordination in each zone as a result of altitudinal gradient. Furthermore, regression analysis results shows significant effect of altitudinal to species and family number, tree density, basal area, and tree biomass. Overall, these findings show significantly effect of altitudinal gradient to tree diversity in Mount Ciremai National Park.
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