【摘要】 利用黔东南州16个地面气象观测站47年(1961-2007年)的气象资料,运用统计学方法,通过相关分析,筛选出年平均日照时数、冬季降水量和夏季日照时数等8个与农作物病虫害发生发展关系最密切的气候因子,分析其演变趋势对黔东南州农作物病虫害发生发展趋势的影响。结果表明:8个主要气候因子均不同程度地向有利于农作物病虫害发生发展的方向变化,即随着气候的变化,黔东南州农作物病虫害的危害向加重的趋势演变。更多还原

【Abstract】 47 years meteorological data from 16 ground-based meteorological stations during 1961 to 2007 in Qiandongnan were analyzed.According to utilization of statistical method and correlation analysis,8 climatic factors of annual mean sunshine hours,winter precipitation,summer sunshine hours and so on were screened out that is the closest climatic factors relating to occurrence and development of crop insects and diseases.And influence of evolution tendency of these factors on the crop pests was analyzed.The results showed that there is a change trend of the 8 main climatic factors,which is advantage to occurrence and development of the crop pests on different degree.Namely harm of the crop pests tends to an aggravation evolution in Qiandongnan along with the climatic change.更多还原