DB21∕T 2483-2015 草原主要蝗虫预测预报技术规范

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1、ICS65.020.20B16DB21辽宁省地方标准DB21/T2483—2015草原主要蝗虫预测预报技术规范Rulesforforecasttechnologyofthemainlylocustandgrasshopperingrassland2015-06-23发布2015-08-23实施辽宁省质量技术监督局发布DB21/T2483—2015目次前言................................................................................III1范围....................

2、............................................................12规范性引用文件......................................................................13术语和定义..........................................................................14发生程度分级指标......................................................

3、..............35系统调查............................................................................35.1样地设立........................................................................35.2抽样方法........................................................................35.3卵期调查....................

4、....................................................45.4蝗蝻期调查......................................................................46区域普查............................................................................46.1样地设立...............................................................

5、.........46.2抽样方法........................................................................56.3普查路线........................................................................56.4普查频度........................................................................56.5卵期调查...........................

6、.............................................56.6蝗蝻期调查......................................................................56.7成虫期调查......................................................................57调查数据汇总........................................................................5

7、8预测预报方法........................................................................58.1发生期预测预报..................................................................68.2发生面积预测预报................................................................68.3发生程度预测预报........................................

8、............