论文部分内容阅读
近年来,我国“三北”地区发生了严重的沙棘木蚕蛾危害。目前,国家林业局在辽宁省建平县召开现场会,全国13个省(区)的森防专家共同探讨防治对策。沙棘具有很强的保持水土、改善生态功能,是优化“三北”生态环境的先锋树种。近20年来,我国每年栽种的沙棘都在120万亩以上,全国沙棘
In recent years, serious damage has occurred to the seabuckthorn wood moth in China’s “Three Norths”. At present, the State Forestry Administration has held on-site meetings in Jianping County, Liaoning Province. Forest defense experts from 13 provinces (regions) across the country jointly discussed prevention and treatment measures. Seabuckthorn has a strong soil and water conservation, improve ecological functions, is to optimize the “three northern” ecological environment pioneer tree species. In the past 20 years, seabuckthorn planted in our country is more than 120 million mu each year, and the national seabuckthorn