学科分类
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2 个结果
  • 简介:全面的抽象A但是称为DPS(数据处理系统)的simple-to-use软件包裹被开发了执行在试验性的设计,统计和数据采矿使用的标准数字分析和操作的一个范围。这个程序在标准Windows计算机上跑。许多函数对特定昆虫学并且另外的生物研究并且没在标准统计软件被发现。这篇论文在昆虫学介绍DPS的应用程序给试验性的设计,统计分析和数据采矿。

  • 标签: 数据挖掘技术 数据处理系统 统计分析 实验设计 昆虫学 DPS
  • 简介:Thebrownstinkbug(BSB),Euschistusservus(Say)(Hemiptera:Pentatomidae),isaseriouseconomicpestofcornproductioninthesoutheasternUnitedStates.TheBSBpopulationdynamicswasmonitoredfor17weeksfromtasselingtopreharvestofcornplants(i.e.,lateMaytomid-September)usingpheromonetrapsinthreecornfieldsfrom2005to2009.ThetrapdatashowedtwopeaksinearlyJuneandmid-August,respectively.Therelationshipbetweentrapcatchandpregrowingseasonweatherdatawasexaminedusingcorrelationandstepwisemultiplefactorregressionanalyses.Weatherindicesusedfortheanalyseswereaccumulatedgrowingdegreeday(AGDD),numberofdayswithminimumtemperaturebelow0℃(Subz),accumulateddailymaximum(AMaxT)andminimumtemperatures(AMinT)andrainfall(ARain).Theweatherindiceswerecalculatedwithlower(10℃)andupper(35℃)asbiologicalthresholds.Theparametersusedinregressionanalysiswereseasonalabundance(oroverallmeanofBSBadultcatch)(BSBm),numberofBSBadultscaughtatapeak(PeakBSB),andpeakweek(Peakwk).TheBSBmwasnegativelyrelatedtohightemperature(AmaxTorAGDD)consistently,whereasIstPeakBSBwaspositivelycorrelatedtobothARainandSubz,irrespectiveofweatherdatadurations(thefirst4,4.5,and5months).Incontrast,the7-monthweatherdata(AGDD7)werenegativelycorrelatedtotheBSBmonly,butnotcorrelatedtothesecondPeakBSB.The5-yearmonitoringstudydemonstratedthatweatherdatacanbeusedtopredicttheBSBabundanceatitsfirstpeakintasselingcornfieldsinthesoutheasternU.S.states.

  • 标签: Euschistus servus first TRAP CATCH peak