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对引进新西兰的低影响城市设计与开发(LIUDD)实践所用“植物印记”法进行效度推验.以呼市蒙椴群落植物印记为研究对象,用典型取样、现场实测等方法获取原始数据,以生物多样性、群落分布、群落空间结构及种群构成等分析为基础,从生物多样性、物种丰富度及景观自然度等方面进行效度推验.景观重要值被应用于植物印记提取;景观自然度概念亦被提出并应用其中.结果表明:植物印记可提高项目区物种丰富度5~7倍;随植被覆盖度不同,景观自然度可恢复33%~67%.裸地生物多样性指数可恢复至丰富,高覆盖度区域可恢复至0.55.
Validation of Validity of “Plant Stamping” Method Applied in LIUDD Practice in New Zealand Introduced by Tunghai Plantation of Tilia liaotungensis Tung as the object of study, typical samples and field measurements were used to obtain the original Based on the analysis of biodiversity, community distribution, spatial structure of the community and population composition, the data were validated from the aspects of biodiversity, species richness and naturalness of the landscape, etc. The important value of landscape was applied to plant imprint extraction The concept of natural degree of landscape has also been put forward and applied.The results show that the plant imprints can increase the species richness of the project area by 5 to 7 times and the natural degree of the landscape can recover by 33% -67% with different vegetation coverage. Sex index can be restored to rich, high coverage area can be restored to 0.55.