文山松毛虫危害程度与发生范围预测预报研究

A Preliminary Study on the Forecast of Harm Extent and Occurrence Area of Dendrolimus punctatus wenshanensis

摘要: 编制了文山松毛虫预测预报虫灾级数表,提出了文山松毛虫危害程度初步测报式。利用马尔可夫链模型分析法进行了文山松毛虫发生面积的预测预报,准确性较高。

Abstract: The preliminary forcast formula of harm extent was developed on the basis of insect plague progression table of Dendrolimus punctatus wenshanensis,and the forecast of occurrence area was also obtained by Markov chain method with high accuracy.