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宁淮高速公路带人工植被多样性评价与分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年04期
Page:
103-106
Column:
研究论文
publishdate:
2007-04-20

Article Info:/Info

Title:
Evaluation of Artificial Afforestation Diversity on Ninghuai Expressway
Article ID:
1000-2006(2007)04-0103-04
Author(s):
ZHU Zun-ling1 WANG Yong-an2 CHEN Gui-qi2 LU Jian-guo1 HU Hai-bo1 MENG Fan-yun1 JIANG Bei1 XING Li-xia2
1. College of Landscape Architecture Naniing Forestry University, Nanjing 210037, China; 2. Commander Department of Expressway Construction of Jiangsu Province, Naniing 210049, China
Keywords:
Plant diversity Expressway Interflowing area Evaluation
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2007.04.023
Document Code:
A
Abstract:
Plant diversity is the foundation of ecological function of greenland system in expressways and the prerequisites of greenland landscape diversity, which also indicates the level of greening engineering. Applying the theory of plant diversity to the landscape projects on the Ninghuai expressway, this paper evaluates the diversity state of the arbor layer and shrub layer with the approach of α-diversity. It is found that the categories of plants are abundant; the arbor layer of the five interflowing areas evaluated is inferior to the shrub layer in plant species and there exists variations in species index; the variation index Simpson and Shannon-wiener in shrub layer is greater than in arbor layer. The diversity index in shrub layer is relatively high, which indicates high diversity and consistency. The plant diversity in Ninghuai expressway is superior to that of natural communities in the same latitude. The afforestation is close to deciduous broadleaved forests in nature with fewer species than in evergreen broadleaved forests.

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Last Update: 2013-05-20