成都市典型农家乐植物组成特征研究

本文在成都市北湖公园、农科村、三圣乡选取了60个成都市典型农家乐,对植物群落进行了调查和分析。结果表明:成都市典型农家乐植物群落中应用的乔木种类有56种,灌木种类83种,草本种类有118种,共计257种,分属91科184属。在植物种类组成方面,成都北湖公园的乔木种类所占比例最高,达到22.39%;郫县农科村的灌木种类所占的比例是最高的,达到36.55%;而三圣乡"五朵金花"的草本种类所占的比例最高,达到47.92%。农科村主要树木的平均胸径为13.32±9.07?,平均高度为5.53±2.49 m,在3个地方中均为最高。群落外貌方面,三圣乡"五朵金花"和郫县农科村农家乐以常绿阔叶和落叶阔叶的混交林为主,针叶林少。成都北湖公园则以常绿阔叶为主,落叶和针叶林少。60个农家乐平均配置乔木5.1±2.47(N=60)种,平均配置灌木8.77±3.41(N=60)种,平均拥有草本11.83±6.75(N=60)种,超过50%的植物种类为三地或两地共有,植物配置呈现明显的相似性。

A Study of the Structure of Plant Communities in Typical Farm-entertainment in Chengdu

Taking the typical farm-entertainment of Beihu Park, Farming Division Village and Sansheng Town as examples, investigations are conducted on the structure of plant communities. The results have shown that there are 257 species of plants,which consist of 56 arbor species, 83 bush species, 118 herbage species, belonging to 91 families and 184 genera. The proportion of arbor species in Beihu Park is the highest up to 22. 39%, the proportion of bush species in Farming Division Village is the highest up to 36.55%, and the proportion of herbage species in Sansheng Town is the highest up to 47.92%. The average DBH and height of trees in Farming Division Village are the highest, reaching 13.32 ± 9.07cm and 5.53 ±2. 49 m respectively. The vegetation in Sansheng Town and Farming Division Village is mainly broad-leaved evergreen forests and broad-leaved deciduous forest and short of coniferous forest. The vegetation in Beihu Park is mainly broad-leaved deciduous forest and short of broad-leaved deciduous forest and coniferous forest. Averagely, there are 5. 1 ±2.47 （ N = 60） arbor species,8.77 ±3.41 （ N = 60） bush species, 11.83 ±6.75 （ N = 60） herbage species in farm-entertainment. Their plant arrangement is similar to each other, more than 50% species can be found in different regions.