Abstract
The forest area of Mount Merapi has been designated as the Mount Merapi National Park (TNGM) since 2004. The satellite imagery has shown that there are 3 levels of damage to forest ecosystems in TNGM, namely minor, moderate, and severe damage. This study aims to determine the progress of the landscape function in several regions that suffered damage to forest ecosystems due to the eruption of Mount Merapi. The research method consists of: (1) Determination of research location, (2) measurement of microclimates, (3) Measurement of soil characteristics, and (4) Landscape Function Analysis (LFA): characterization of landscape organizations and Soil Surface Assessment (SSA). The value of land stability in the zone of minor, moderate, and severe damage is respectively: 48.00, 52.90 and 45.50%. The infiltration value of water in the zone of minor, moderate and severe damage is respectively: 26.50, 28.40 and 29.70%. The value of the soil nutrient cycle in the minor, moderate, and severe damage zones is respectively: 20.80, 23.60, and 16.30%. The progress of the ecological function of the zone of moderate damage is better for land stability and the soil nutrient cycle, while water infiltration is better in the zone of severe damage.
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