排序方式: 共有7条查询结果,搜索用时 0 毫秒
1
1.
2.
3.
4.
5.
6.
IntroductionDendFOHffiussuPeransbrokeOutinShibazhanForestBureau,Daxing'anMount8insRegion,inJuneOf199o.TheinfeCtedareareachedo.8miIlionhm',takingup7o%offorestareaoftheBureau.AcCoFdingtotheinvestigation,DendFOhinussuPeransoccurredinnaturaIhaIfm8tureoryounggrowthforestmainIycomposedoflarch-TheaveragepopuIationdensityoflarvaereached283.5insectAree,andatthemoSt2256inseCts/treeinheaviIydestroyedstands-Den-dFOHmussuPeranshasonelif6circleovertWoyearsinthisarea.StandaFdplOtswereseIected… 相似文献
7.
1