外来入侵植物马缨丹在中山市的风险性分析

Risk Analysis of Invasive Lantana camara in in Zhongshan

马缨丹(Lantana camara)是一种外来入侵植物,目前广泛分布在我国华南地区。中山市气候条件和地理位置都非常适合马缨丹的生长,一旦爆发不利于控制。参照外来入侵物种风险评估指标体系,从外来生物的传入定殖风险、扩散风险、潜在危害与影响以及危害控制等4方面对马缨丹进行了定性、定量分析和综合评估,结果表明:马缨丹在中山市的风险评估R值为0.76,属于低风险外来入侵物种。该结果对科学制定马缨丹的防控对策具有指导意义。

Lantana camara is an invasive alien species,which is widely distributed in South China.The climatic conditions and geographical location of Zhongshan City are suitable for the growth of L.camara,and the outbreak is not conducive to control.According to the risk assessment index system of invasive alien species,L.camara was qualitatively and quantitatively analyzed and comprehensively assessed from four aspects:introduction and colonization risk,spread risk,potential harm and impact,and hazard control.The result showed that the R value of risk assessment of L.camarain Zhongshan City was 0.76,which was a low risk alien.The results are of guiding significance for formulating scientific countermeasures against L.camara.