Invasion Status and Risk Analysis of Solidago canadensis L.in Qiandongnan Prefecture,Guizhou Province
In order to understand the occurrence and risk level of Solidago canadensis L.in the Qiandongnan Prefecture,Guizhou Province,and proposed prevention and control strategies of S.canadensis to prevent further rapid spread,the investigation was carried out to analyze and study the invasion and distribution of S.canadensis in Qiandongnan Prefecture from January to November 2022,and the forestry pest risk analysis index system was used to conduct quantitative analysis and evaluation.The results indicated that S.canadensis invaded Qiandongnan Prefecture for the first time in 2015 and spread to 41 townships in 14 counties during 7 years,and the comprehensive evaluation R-value was 2.58.S.canadensis was distributed in multiple locations in the Qiandongnan Prefecture,which was in the stage of colonization.Some spots had a large distribution area and belonged to a particularly dangerous risk level.According to the distribution of occurrence of S.canadensis in the Qiandongnan Prefecture,this study proposed the risk management measures such as monitoring,prevention and control.
NETL
NSTL
万方数据
维普
