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應用衛星影像判釋桃園地區埤塘變遷對於生態系統服務之影響

Remote Sensing Images to Interpret the Effects of Land Use Changes on Ecosystem Services of Pond in Taoyuan Area

摘要


根據2011年之國家重要濕地彙編指出,桃園埤圳為國家重要濕地之一。近年桃園地區因都市發展造成埤塘面積縮減,影響周邊生態系統服務之供給,然受限於各埤塘間服務功能之差異性,尚未有學者針對桃園埤塘進行全面性生態系統服務之研究。埤塘於我國實具有重要價值,除提供地區性用水外,亦提供多種服務。本研究透過Landsat7衛星影像判釋自1999年至2018年之土地利用現況,探討埤塘周遭土地利用變遷情況,並利用InVEST進行生態系統服務評估,以期在維持經濟發展水準之前提下,達到生態系統服務之永續發展目標。本研究於判釋後發現20年間建成環境比例顯著上升,整體呈擴散趨勢,且部分零碎水體出現面積縮減。研究顯示棲地品質、產水量及土地流失三項生態系統服務中,20年間各行政區之埤塘生態系統服務各有其變化,變動因素受用地改變為植生及建成地區影響,影響程度因發展模式及程度存在差異性。研究發現土地利用變遷將影響生態系統服務,考量一地之生態系統服務變化時,除環境改變地區外,應將環境改變地區之周邊環境一併納入評估,以針對地區環境特性規劃相對應之空間策略。

並列摘要


According to the 2011 Taiwan's Wetland of Importance, ponds in Taoyuan are among the important wetlands in the country. Due to recent industrial transformation, the Taoyuan area urgently needs a lot of prepared land, (reducing OR decreasing OR lowering) the pond area and thus affecting the supply of surrounding ecosystem services. This (study OR work OR investigation) analyzes the current land use around the pond from 1999 to 2018 using Landsat 7 satellite imagery; discusses the dynamic changes in land use around the pond, and conducts a comprehensive ecosystem service assessment using InVEST. Analytical results (indicate OR reveal OR show OR demonstrate) that the pond ecosystem services of each region have affected the three ecosystem services of habitat quality, water production and land loss differently over the past 20 years, depending on the change of land use, whether to planting and built-up areas. [OK? Check meaning] The mode and degree of development also vary.

參考文獻


林暐淳 [Lin, W. C.] 2015。遙測影像應用於桃園地區埤塘之變遷分析 Yao ce ying xiang ying yong yu tao yuan di qu pi tang zhi bian qian fen xi] 。國立台灣大學生物環境系統工程學研究所碩士論文 [M.S. dissertation, Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei], doi: 10.6342/NTU.2015.01763
陳貞如 [Chen, C. J.] 2012。海岸濕地生態系統服務價值評估-以七股海岸濕地為例 Hai an shi di sheng tai xi tong fu wu jia zhi ping gu – yi qi gu hai an shi di wei] 。國立成功大學研究所碩士論文 [M.S. dissertation, Department of Urban Planning, National Cheng Kung University, Tainan], doi: 10.6844/NCKU.2011.02382
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黃韜 [Huang, T.] 2012。地景變遷對生態系統服務影響之研究Di jing bian qian dui sheng tai xi tong fu wu ying xiang zhi yan jiu] 。國立台灣大學生物環境系統工程學研究所碩士論文 [M.S. dissertation, Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei], doi: 10.6342/NTU.2012.01722
Bekefi, E., and L. Varadi. 2007. Multifunctional pond fish farms in Hungary. Aquaculture international 15 (3): 227-33, doi: 10.1007/s10499-007-9090-5

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