内蒙古林业调查设计
內矇古林業調查設計
내몽고임업조사설계
INNER MONGOLIA FORESTRY INVESTIGATION AND DESIGN
2011年
6期
74-76,88
,共4页
胡杰%侯德海%罗世成%张凯
鬍傑%侯德海%囉世成%張凱
호걸%후덕해%라세성%장개
樟子松梢小卷蛾%幼虫%空间分布
樟子鬆梢小捲蛾%幼蟲%空間分佈
장자송소소권아%유충%공간분포
tribution in all population density%The usage of spatial pettern on the determioation of the sample number and the sampling method was discussed too
文章介绍了以样枝为取样单位,采用8种聚集度指标和三种概率频次分布来确定樟子松梢小卷蛾（Rhyacionia pinicolana（Doubleday））幼虫的空间分布型。测定结果表明,樟子松梢小卷蛾（Rhya-cionia pinicolana（Doubleday））幼虫呈Neyman分布,且在一切密度下都呈聚集分布,聚集程度不因种群密度的变化而变化。同时介绍了空间分布型在最适抽样数的确定及序贯抽样中的应用。
文章介紹瞭以樣枝為取樣單位,採用8種聚集度指標和三種概率頻次分佈來確定樟子鬆梢小捲蛾（Rhyacionia pinicolana（Doubleday））幼蟲的空間分佈型。測定結果錶明,樟子鬆梢小捲蛾（Rhya-cionia pinicolana（Doubleday））幼蟲呈Neyman分佈,且在一切密度下都呈聚集分佈,聚集程度不因種群密度的變化而變化。同時介紹瞭空間分佈型在最適抽樣數的確定及序貫抽樣中的應用。
문장개소료이양지위취양단위,채용8충취집도지표화삼충개솔빈차분포래학정장자송소소권아（Rhyacionia pinicolana（Doubleday））유충적공간분포형。측정결과표명,장자송소소권아（Rhya-cionia pinicolana（Doubleday））유충정Neyman분포,차재일절밀도하도정취집분포,취집정도불인충군밀도적변화이변화。동시개소료공간분포형재최괄추양수적학정급서관추양중적응용。
This paper introduced a method that can be used to determine the spatial pattern of Orange-spottd shoot moth（Rhyacionia pinicolann（Doubleday）） by using three kinds of assemble and three kinds of frequeocy disbibutions,The quota resuIts ofthe determinations showed that the larva of orenge-spotted shoot moth were tally with Neyman dis
