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Received:July 31, 2017Revised:October 16, 2017
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The Application of Indigenous Plants in Provincial Greenway of Pearl River Delta
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Abstract:
Base on site quadrat survey of provincial greenway in Pearl River Delta (PRD), this paper analyzed the application of indigenous plants in greenway. The result showed that: (I) 147 indigenous plants were found in greenway. According to biotype of plants, the number of the tree was the largest, followed by shrub and ground-cover. The number and species richness of suburbs type greenway way was largest, followed by urban and ecotype greenway. (II) The application of plants has close relations with plants’ ecological habits, ornamental attributes and climate characteristics of PRD. On the use frequency and quantity, indigenous evergreen trees were the dominant species in arborous layer. Ornamental shrubs were more common in shrubs layer. Ornamental ground-covers with strong resistance were used more widely. (III) There was a certain relationship between Plants’ ornamental characteristics and greenway types. Urban greenway pays more attention to the ornamental effect of the plant. Conversely, the cost was always a chief concern during the construction of ecotype greenway. (IV) Considering spatial structure, the multi-storied structure composed of plants from a variety of life forms was most common. The plant groups composed of tall indigenous tree species had obvious advantages in the application of various types of greenway.
Key words:  indigenous plants; greenway; application

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