Characteristics of Normalized Difference Vegetation Index According to Forest Landscape Metrics Index
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참고문헌
키워드
초록
This study is more focused on structural characteristics of Forest Landscape Metrics of big cityadjacentareas with the pressure of commercial development by using time series change of the NDVI analysis inHaman county. The results of this study are as follow, In the two time horizon, the extent of NDVI areas and ForestLandscape Metrics decreased due to numerous outer influences, and number patches increased due tofragmentation. For Edge metrics & Shape Metrics, TE, MPS, and ED all increased in 2000 compared to 1985. Complexity of patch boundary form got higher in relatively high NDVI values, and got simplified in low NDVIvalues. MNN values increased, and MPI values decreased in Diversity & Interspersion Metrics. That is to say, theconnectivity of forest landscape metrics lowered due to patch fragmentation and isolation. Core Area Metrics inTotal Landscape Level are observed to have severe decrease in area, and big standard deviation of average area. Bylooking at the relationship with NDVI, NDVI with relatively high vegetation vitality had TCA and MCA value, butit shrunk big in width. To aggregate all the results of research above, forest landscape metrics according to NDVI ofHaman County has imbalance in composition and configuration, and at the side of landscape ecology, it can bejudged that unstable forest landscape structure is dangerous due to the weakening of vitality. Lastly, the results ofthe analysis of vegetation index characteristics using forest landscape metrics are to be applied efficiently to theanalysis of quantization and influence of structural pattern characteristics of forest landscape. Going one step forward,possibility as a future prediction tool offers a base line data necessary for forest landscape plan establishment offorest landscape’s soundness evaluation.
Abstract
This study is more focused on structural characteristics of Forest Landscape Metrics of big cityadjacentareas with the pressure of commercial development by using time series change of the NDVI analysis inHaman county. The results of this study are as follow, In the two time horizon, the extent of NDVI areas and ForestLandscape Metrics decreased due to numerous outer influences, and number patches increased due tofragmentation. For Edge metrics & Shape Metrics, TE, MPS, and ED all increased in 2000 compared to 1985. Complexity of patch boundary form got higher in relatively high NDVI values, and got simplified in low NDVIvalues. MNN values increased, and MPI values decreased in Diversity & Interspersion Metrics. That is to say, theconnectivity of forest landscape metrics lowered due to patch fragmentation and isolation. Core Area Metrics inTotal Landscape Level are observed to have severe decrease in area, and big standard deviation of average area. Bylooking at the relationship with NDVI, NDVI with relatively high vegetation vitality had TCA and MCA value, butit shrunk big in width. To aggregate all the results of research above, forest landscape metrics according to NDVI ofHaman County has imbalance in composition and configuration, and at the side of landscape ecology, it can bejudged that unstable forest landscape structure is dangerous due to the weakening of vitality. Lastly, the results ofthe analysis of vegetation index characteristics using forest landscape metrics are to be applied efficiently to theanalysis of quantization and influence of structural pattern characteristics of forest landscape. Going one step forward,possibility as a future prediction tool offers a base line data necessary for forest landscape plan establishment offorest landscape’s soundness evaluation.
참고문헌 (15)
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