The Hsi Liu Environmental Greening Foundation carried out a survey for the Department of Cultural Affairs, and concluded that the site has 984 trees of 75 species. Of those, 132 trees of 15 different species qualified as protected trees under the Tree Protection Bylaw. Plans for a mass transplantation on this scale are unparalleled in Taipei City's history.
錫 V 環境綠化基金會受文化局委託調查後發現，該區共有七十五種、九百八十四株樹木，其中有十五種、一百三十二株達到「台北市樹木保護自治條例」的受保護標準，這九百多株大樹的大規模遷移計畫，在北市可說是首見。