苏州外来植物入侵风险评估体系及牛膝菊的入侵风险

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Abstract

Biological invasions are seriously challenging the local ecosystems and economy worldwide.Thus it is very important and urgent to quantitatively assess the risk of invasiveness for the alien species.According to the geography and climate characteristics of Suzhou City and the preexisting weed risk assessment models,as well as the updated research results,a risk assessment model for Suzhou City was set up,which adopted a set of indices commonly used by other models plus two new ones:self compatibility and DNA C-value.The invasive risks of Galinsoga parviflora were assessed by using the model.According to this risk assessing model with a full mark of 100,Galinsoga parviflora gets a mark of 68,which suggests it is in a medium risk level.It should be controlled before its outbreak in Suzhou.

Key words： Galinsoga parviflora alien invasive plant Suzhou City risk assessment model

Received: 25 October 2011

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	LIN Min
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Cite this article:

LIN Min,HAO Jian-hua. Risk assessment model of alien invasive plants and invasive risks of Galinsoga parviflora in Suzhou City[J]. , 2011, 30(5): 507-511.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2011/V30/I5/507

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