都市中的植物為決定都市中各種其他生物的棲地結構與品質的關鍵因素，足以影響都市 中其他生物的生存與多樣性。另一方面，近年在都市景觀生態的探討中，都市環境中細緻尺 度的空間異質性也開始成為學者注意與探討的議題，其中建成環境的異質性已開始被研究， 但都市環境中自然與半自然環境的異質性則尚未被仔細探討。本研究擬以都市綠地中的生態 斑塊為題，於台北市區内的綠地進行全區塊清單式植物調查，以了解台北市區中綠地的植物 多樣性分布，並以此定義出以植物組成與結構為基礎的生態斑塊。同時，輔以景觀中斑塊的 來源為思考框架，分析都市綠地中不同的生態斑塊、其植物組成與斑塊來源三者之間的關係。 研究課題包括：1)台北市綠地内依植物組成，可以分成哪幾種生態斑塊類型？這些不同的生 態斑塊類型，植物物種組成有何異同？ 2)這些不同生態斑塊在台北市的多寡與空間分布情況 如何？ 3)台北市綠地内有哪幾種生態斑塊來源類型？這些生態斑塊來源類型的多寡與空間分 布情況如何？ 4)生態斑塊類型與斑塊來源類型之間有無特殊關聯？ 5)從植物的組成中，能否 找出一些生態棲地類型與斑塊來源類型的指標物種？
The urban vegetation is a major component of urban habitats that shapes their structure and quality, and play major roles in determining the survival and diversity of urban biota. In recent advancements in urban landscape ecology studies, there has also been increased awareness of the fine-scaled heterogeneity in urban environments, but current treatments of fine-scaled heterogeneity in the natural and semi-natural components do not yet correspond to scales of habitat structure. This study proposes to survey the vegetation of Taipei city greenspaces in attempt to understand the spatial distribution of urban vegetation biodiversity in the city, and also to use plant species composition to identify the different habitat patch types in urban greenspaces. Concepts of patch origins will also be incorporated into the framework, where the relationship between habitat patches, vegetation composition, and patch origins will be analyzed. Research questions include: 1) What types of ecotope patches can be identified in Taipei city greenspaces using vegetation composition? How different or similar these ecotopes in their vegetation composition? 2) How are these ecotope patches distributed? 3) What types of patch origins can be found in Taipei city greenspaces? How are they distributed? 4) How are the ecotopes and patch origin types related? 5) Are there species indicators for specific ecotopes or patch origin types?
