ASTM E1923-1997(2008) 陆上和湿地植被取样的标准指南

作者:标准资料网 时间:2024-05-15 01:02:34  浏览:8903   来源:标准资料网

【英文标准名称】:StandardGuideforSamplingTerrestrialandWetlandsVegetation
【原文标准名称】:陆上和湿地植被取样的标准指南
【标准号】:ASTME1923-1997(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E47.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:mensuration;phytosociology;plantcommunitysampling;vegetation
【摘要】:Vegetationsamplingisusefulforinvestigatingplantsuccessionandcommunitycompositionforavarietyofpurposesincludinglanduseplanning,resourcesurveys,assessmentofvegetationresponsetotoxicmaterialsandotherenvironmentalstresses,andforecologicalresearch(11).1.1Thisguidecoversenvironmentalstudiessuchasriskassessments,planningprojects,orresearchtypicallyincludingcharacterizationofecologicalresources.Compliancewithfederalstatutes(forexample,NationalEnvironmentalPolicyAct1970,(NEPA);ComprehensiveEnvironmentalResponse,CompensationandLiabilityAct1981,(CERCLA:withitsRemedialInvestigation/Feasibility(RI/FS)andNaturalResourceDamageAssessment(NRDA)components);ResourceConservationRecoveryAct(RCRA),andFederalInsecticide,Fungicide,andRodenticideAct,(FIFRA))aswellasstateregulationsaddressingprojectssuchashazardouswastesiteassessmentsandenvironmentalimpactanalysisoftenrequirescharacterizationofvegetation.Thisguidepresentsaframeworkforselectionofterrestrialvegetationsamplingmethodsbasedonproject-specificobjectives.Method-specificpracticesareassociatedwiththisbasicguideasannexes.1.2Aswithanydatagatheringactivity,thevalueofinformationisaffectedbythestrategyandsamplingdesign.Determiningthenumberofsamplepoints,temporalandspatiallocationofsamplepoints,relationshipsamongsamplingpoints,andthecorrespondenceofothersamplingactivitiesareimportantconsiderations.Strengthsandlimitationsofvariousmethodsaredescribedingeneraltermsinthisguide.However,thekeyissueslinkedtodataqualityrelatetothespecificquestionbeingaddressedandtheadequacyofthefieldsamplingplan.1.3solely-SI-units;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:
【页数】:19P.;A4
【正文语种】:英语