Abstract
Land-use changes from forest to other use will affect watershed hydrological system that lead to water availability in Leitimur Peninsula watershed, Ambon Island. It aims to analyze sustainability index and sensitive attribute of watershed management and to design watershed management model in supporting sustainability of water resources in Leitimur Peninsula. The analysis applies the Multidimensional Scaling (MDS) model and the dynamic model (Stella). The findings signifies that multidimensional sustainability status is 50.97% indicating quite sustainable, while the best management model is by performing land and forest rehabilitation (LFR) and agricultural extensification through agro-forestry system.
Highlights
1.1 Background of the StudyCritical watershed phenomena in Indonesia becomes a quite serious environmental issues
Land-use changes from forest to other use will affect watershed hydrological system that lead to water availability in Leitimur Peninsula watershed, Ambon Island
The findings signifies that multidimensional sustainability status is 50.97% indicating quite sustainable, while the best management model is by performing land and forest rehabilitation (LFR) and agricultural extensification through agro-forestry system
Summary
Critical watershed phenomena in Indonesia becomes a quite serious environmental issues. It is noted in 1984 that 22 watershed was critical, in 1992, the number was increasing to 39 watershed, to 42 watershed in 1998, to watershed in 2000, and last, it was watershed was critical in 2002 (Kartodihardo and Jhamtani, 2006). Li, et al (2006) states that central China's mega city has faced land use changes into residential area from 9.1% in 1987 to 29.6% in 1999. This change has decreased water count from 30.4% to 23.8%. Forest area has decreased from 33.6% to 24.3%
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