拉萨市城市规划区园林植物调查与分析

Investigation and analysis on garden plants in urban planning area of Lhasa

摸清拉萨市城市规划区绿化资源的种类、数量及其生长状态,分析、评价其特点和存在的问题,为拉萨市城市规划区制定绿地发展规划、管理绿化资源提供依据。结果表明:(1)拉萨市城市规划区共有园林绿化植物198种;(2)乔、灌木层中,应用最多的是蔷薇科(Rosaceae)(共43种),草本层中应用最多的是菊科(Asteraceae)(共12种);(3)乔木层中生长状态最好的是侧柏(Platycladus orientalis),灌木层中生长状态最好的是大叶黄杨(Euonymus japonicus),草本层中生长状态最好的是草地早熟禾(Poa pratensis)。

This paper finds out the types,quantity and growth status of the greening resources in the urban planning area of Lhasa,analyzes and evaluates its characteristics and existing problems,and provides a basis for the development of green space development planning and management of green resources in the urban planning area of Lhasa.The results showed that:(1)there were 198 species of landscaping plants in the urban planning area of Lhasa;(2)the most application arbor and shrub layer was Rosaceae,the total of 43 species,the most application herb layer was Asteraceae,the total of 12 species;(3)the best growing species in the arbor layer was Platycladus orientalis,in the shrub and herb layer,the best species were Euonymus japonicus and Poa pratensis respectively in the herd layer.