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近几年来随着退耕还林、防沙治沙等国家重点工程项目的大力实施,以速生杨树、速生柳树为主的生态绿化建设造林在沧州市呈现出迅猛发展的良好势头。为确保绿化成果,抓好有害生物防治,沧州市组织专门力量深入重点县市,对全市林木的有害生物发生现状、变化趋势及治理对策进行了深入调查研究。一、林木有害生物发生现状与趋势全市现有林地面积410万亩。其中用材林120万亩,其它
In recent years, with the vigorous implementation of the key state projects such as returning farmland to forests and preventing desertification, eco-afforestation and afforestation mainly consisting of poplar and fast-growing willows has shown a good momentum of rapid development in Cangzhou. In order to ensure the achievements of afforestation and control of pests, Cangzhou City organized special forces to go deep into key counties and cities, and conducted an in-depth investigation and research on the status quo, changing trends and control strategies of pests in the whole city. First, the status of forest pests and trends The city’s existing forest land area of 4.1 million mu. Of which 1.2 million mu of timber forest, other