| 摘要: | 本研究目的在於探討環境永續議題及RS、GIS技術在林木固碳之應用，透過ISODATA影像分類、無人飛行載具航拍影像及IPCC林木固碳量之計算，評估南華大學校園內之植生綠覆率及林木種類與數量，並計算全區之林木固碳量，探討植樹造林在碳中和之減碳效益及貢獻。研究結果可知全區之植生綠覆率高達75.9%，其中原始混合林的面積32.65ha，換算之碳存量為5569.2 ton；人工混合林的面積為7.16公頃，換算之碳存量為828.1 ton；台灣肖楠的面積為0.13公頃，換算之碳存量為2.5 ton。據此推估全區林木碳存量總計為6399.8 ton，除以面積可得單位面積碳存量為101.7 ton/ha，相較於IPCC的熱帶森林 120 ton/ha、或台灣地區之林班地 145 ton/ha或都市計畫區 49 ton/ha等區域之碳存量可知，由於校園林木植株高木及綠覆效果佳，整體固碳效益甚高。根據研究推估結果，建議南華大學校園未來需植樹管理時，以碳固量較多之樹種為考量，如台灣肖楠、相思樹、台灣櫸及光蠟樹等，對全區無論於減碳節能及生態棲地均有甚大助益。
The purpose of this study is to investigate the environmental sustainability issues and the application of RS data and GIS technology in forest carbon storage. Through ISODATA image classification, aerial photography by unmanned aerial vehicles, and IPCC forest carbon storage calculation, this study evaluate the vegetation cover rate and tree species and quantity on the campus of Nanhua university, and calculate the forest carbon storage in the whole region to investigate the carbon reduction benefits and contributions of afforestation in carbon neutrality. The results of the study showed that the vegetation cover in the region was as high as 75.9%, including 32.65 ha of primary mixed forest, with a converted carbon stock of 5569.2 ton; 7.16 ha of planted mixed forest, with a converted carbon stock of 828.1 ton; and 0.13 ha of T Taiwan incense-cedar, with a converted carbon stock of 2.5 ton. According to this estimate, the total carbon stock of forest trees in the region is 6,399.8 tons, divided by the area, the carbon stock per unit area is 101.7 ton/ha, compared with the carbon stock of tropical forests of 120 ton/ha by IPCC, 145 ton/ha in Taiwan or 49 ton/ha in urban planning areas. The overall carbon stock efficiency is very high due to the high woody plants and good vegetation cover effect of the campus forest. Based on the results of this study, it is suggested that the future tree planting management of the NHU campus should be based on species with higher carbon stock, such as Taiwan incense-cedar, Taiwan acacia, Taiwan zelkova, and Formosan ash, which will be beneficial for carbon reduction and energy conservation as well as ecological habitat. |
