香港與廣州城市行道樹群落比較研究

儘管香港與廣州的地理位置、人口規模和自然條件十分相似，但兩者的市區行道樹群落在規模、密度、種類構成和林相外觀等方面均存在著顯著差異。香港行道樹的種類多樣性和外來種構成均比廣州豐富，但密度小於廣州，且香港群落中樹形較小的個體比重高於廣州，顯示其調節環境的功能較遜，文中還討論了兩地人文、自然方面的因素差異對城市行道樹的構成栽培和生長所產生的影響。
As the major cities of the south China, Hong Kong and Guangzhou have nearly with similar geographical and physical conditions. However, there are significant differences in the characteristics and composition of their magnitude of domination have their respective unique features. As a cosmopolitan city, Hong Kong has introduced more tree species and resulted in a roadside tree stock of richer species diversity and higher percentage of exotic composition than those of Guangzhou. With a different urban history and resulting city morphology, the aver-age density of roadside trees in Hong Kong is less than that in Guangzhou. Comparing with Guangzhou, Hong Kong’s roadside trees are dominated by species with small final-dimensions. The confined and high-density habitats in Hong Kong have limited more significantly the formation and growth of its roadside trees than those in Guangzhou. Copyright © 1997 中國科學院地理科學與資源研究所；中國地理學會.