Spatial Modeling of Forest Cover Change in Kubu Raya Regency, West Kalimantan.

Autor: Ikhsani, Hanifah, Jaya, I. Nengah Surati, Saleh, Muhammad Buce
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Zdroj: Journal of Tropical Forest Management / Jurnal Manajemen Hutan Tropika; 2018, Vol. 24 Issue 3, p186-195, 10p
Abstrakt: Forest cover change is one of the environmental issues that continually gotten international attention. This study describes how to develop a spatial model of this change in each village-based typology by considering various biophysical and social-economic factors. The village typologies were investigated by applying the clustering analysis approach. The objective of this study was to develop the spatial model and to identify the driving forces of forest cover change by the village in Kubu Raya Regency of West Kalimantan. Based on the proportion of forest in 2015, the study found that there are two village typologies within the study area with 81% overall accuracy (OA). The Typology 1 (T1) which has low change rate of 5,001.8 ha year-1 consisted of 56 villages, while the Typology 2 (T2) which has high change rate about 8,050.6 ha year-1 covered 34 villages. The study also recognized that the most significant driving forces of change in T1 were the distance from rivers (X) and settlements (X), whereas in T2 were 2 3 the distance from roads (X) and the edge of the forest in 2015 (X). The best spatial model of the change are Y = - 1 9 0.01+0.0001X +0.0004X with OA of 83% and mean deviation (SR) 10.5% for T1 and Y = 0.02+0.0001X - 2 3 1 0.0002X with OA 53% and SR 13.3% for T2. The study concludes that the proximity from the center of the human 9 activities holds a significant influence on the behavior of forest cover changes. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index