简介:Thegreengovernment(public)procurementsystemplaysanimportantroleinachievingthepolicyobjectiveofenergysavingandenvironmentalprotection,andpromotinggreentechnologyprogressinenterprises.ThegreengovernmentprocurementstartscomparativelylateinChina,andtherearestillalotofproblemsinthelegalsystem,procurementstandards,organizationandmanagementsystem,informationcommunicationandmonitoringevaluationmechanismsandsoforth.Withinternationalexperienceastherefer...
简介:ThedevelopmentofplantationplaysaveryimportantroleinforestryindustrydevelopmentinChinabecauseofitsuniqueadvantages.However,theecologicalandenvironmentalissuesurgentlyrequiresustainableplantationdevelopment.FSCcertificationforsustainableforestmanagementbalancestheeconomic,environmentalandsocialbenefitsandcontributestosustainabledevelopmentofplantation.FSCcertificationforplantationissignificantlyimportanttoChinawiththemostplantationareainthewor...
简介:n2000,theauthorscollectedagreatquantityofrelevantdatabyinvestigatingmorethan50naturereserves.BasedontheanalysisofdevelopmentandmanagementsituationoftheprotectedareasinChina,themainproblemswereputforward,suchas,nounifiedmanagementforincomeandmanagingactivities,lackofspecialguidelineandeffectivesupervision,lackofincomeandinvestment,investingfinancialdifferenceindifferentprovinces.Alltheseproblemscausedthelackoffundsforconstruction,aswellasthedamageofresourcesandenvironment.Furthermoretheconservingactivitieshavetotransmittotheprofitsinmanyprotectedareas.Combinedwiththeseproblems,theprimarysolutionprogrammersalsowereputforward.
简介:StudyTouronCommunityForestryandAgroforestryApproachesinChina(Sept.16-29,1996)Thestudytourwillprovide4differentmodelsofsocial/...
简介:Massonpine(Pinusmassoniana)isoneofthemainpinespeciesinChina.Itisthemostextensivelydistributed,itisthelargestinnumber,anditsuseisextensive.ThispaperdealswiththestudysituationofthepropertyvariationofthetreeandtheeffectofexternalconditionsonitspropertiesinChina,includingpinewoodmodification(degreasing,mouldpreventionandimprovementofdimensionalstability).
简介:Alloftheplantscanbecombusted.Themechanismofforestbeltsresistanceisthatthetreespeciesweren'tliabletobeburnedcomparedwithotherplantspecies.Inthispapernewconceptsonfireresistanttreesandfuel-breakstreeswerepresented.Thefireresistancemechanismincludes3aspects,fire-resistanttreespecies,rationalconstructionforestbeltsandenvironment.Treecrownscanresistfireforwarding.Forestbeltscanformtheenvironment,whichisnoteasytofire,andalsomakefuelsdistributeddiscontinuous.Thenetworkofforestbeltshaslargeareaofconiferforestsegregated.Theidealf'ireresistanttreespecieshadbettertoembracesomecharacteristics,suchashighf'ireresistance,rationalplantingandbiologicalcharacteristics.
简介:AtpresentbiomassenergyindustryisinitsinfancyinChinaandithasabrightfuture.Biomassenergyproductionusedgrainasrawmaterialshasenteredindustrializationphase.Somekeytechnologiesofbiomassenergyindustryarecomingtomature.Chinahasissuedrelevantindustrialstandardslawsandregulations,andhasprovidedsupportinfinance,loan,tax,etc.ButChina'sbiomassenergyindustryisfacedwithmanyproblemswhichneedtobesolved.Forexample,takinggrainasrawmaterialsisunsustain...
简介:ElevenspeciesofalieninvasiveforestinsectpestshavebeenfoundsincetheearlytimethatinsectspecieshadbeentakenrecordedinChina.Theirorigins,inlanddistribution,invasivetime,hosts,causingdamagearerecordedinthispaperfortheevidenceofbiologicalinvasion.Theircontrolmethodsarealsostudiedordiscussed.
简介:TheobjectiveofthisstudyistodeterminethepropertiesofG.amplexifolia.Inthispaper,thechemicalcomposition,includingholocellulose,acid-insolublelignin,1%NaOHsolubility,benzene-ethanolextractivesandashcontent,wasconsideredforthevariabilitywithrespecttopositionsalongbambooculmheight(bottom,middleandtop),partsalongradialdirection(innerpartandouterpart)andages(1-yearand2-year).ThetestresultswerealsocomparedtothoseofmosothatiscommonlyplantedandusedinChina.Thisstudyindicatedthatboththeholocellulosecontentandthelignincontentininnerpartwerelowerthaninouterpart,butforextractivesandashcontent,thereversewastrue.Bambooagealsohadeffectonchemicalcomposition;boththeholocellulosecontentandtheashcontentintheculmof1-yearwerehigherthanthoseof2-year,whilethelignincontentandtheextractivecontentintheculmof1-yearwerehigherthanthoseof2-year.Highholocellulosecontent,lowlignincontentandextractivecontentwereadvantagesofG.amplexifolia.
简介:Forestshavemultiplebenefitsandfunctions,includingmitigationofclimatechange.Theimpactsofforestsontheglobalcarboncycleincludeforestsascarbonsinks,wood-basedproductsascarbonsinks,bio-energy,andproductionanduseofnon-timberproducts.Inthepastdecades,forestcoverofChinahasincreasedfrom8.6%to18.21%bylarge-scaleafforestationandconversionofcroplandintoforests.Forestbiomasscarbon(C)stockincreasedfrom4.3PgC(1PgC=1015gC)intheearly1980sto5...
简介:Theproductionofwood-basedpanelwaspresentedfirstlyinthispaper.SomefeaturesofChina’swood-basedpanelindustrywerereviewed,includingproductionbases,rawmaterialsandmainmarketsofwood-basedpanel.Inaddition,thetradeflowofwood-basedpanelwasdescribedintheend.
简介:BambooandRattan(B&R)resourcesplayaveryimportantroleforecologicalandeconomicaldevelopmentasthetwomostimportantnon-timberforestresources,duetodeteriorationofglobalecologicalenvironmentandsupplypressureoftimberresource.B&RindustryhasalwaysbeenregardedasoneofthegreenindustrieswithgreatdevelopmentpotentialasB&Rcanbeusedaswoodsubstitute.Manycountriesandregionshavetheirdistinctadvantagesandsuccessfulexperiencesindevelopingbambooandrattanin...
简介:在这份报纸,狼(犬属豺狼座)的食物习惯在内部蒙古被决定,用敲打声分析结果显示ungulates是主食食物项目(频率53.8%,相对生物资源85.2%)。在scats,动物由出现的频率是40.3%,并且75.7%由相对生物资源。与在Heilongjiang省的狼的食物习惯相比,狼在这个区域在猎物选择显示出一个不同模式。在这研究,我们估计食物项目的相对生物资源,和每个猎物的数量由一只狼摄取了,基于一个线性回归方程,y=2.76+0.02x(r=0.997),它在喂的试用被获得。狼是机会主义的食肉动物,这被建议。为狼保存和管理的一些建议被讨论。
简介:Forestryandforestecosystemarehighlysensitivetoclimatechange.Atpresent,studiesabouttheresponsesofforeststoclimatechangeinChinaaremorefocusedonphysicalinfluencesofclimatechange.Thispaperfirstlydividedthekeyimpactfactorsofclimatechangeonforestandforestrydevelopingintodirectfactorsandindirectfactors,andthenmadeanassessmentonclimatechangeaffectingfutureforestrydevelopmentfromtheaspectofforestproductsandecologicalservices.Onthisbasis,theadap...
简介:Fromthreedifferenthistoricalphases,thearticlesummarizesthedevelopmentprocessonforestrycooperativeorganizationsinChinasince1949,andanalysesthetypes,functionsandexistingproblemsofcurrentforestrycooperativeorganizations.Drawingontheexperienceofothercountriesforreference,theauthorsbringforwardpolicysuggestionsonfacilitatingthedevelopmentofforestrycooperativeorganizationsandstrengtheningstandardizedmanagement.
简介:WiththeimplementationofNaturalForestsProtectionProgram,woodresourcebaseinChinaisshiftingfromnaturallygrownforeststoplantationforests.Thispaperreviews:1)TheevolutionofChinesedecade-longreforestationprogramanditscontributiontosustainablewoodsupplyanddevelopment,and2)impactsof"China'sNaturalForestProtectionProgramand"Fast-GrowingandHigh-YieldPlantationPrograminChina"onChina'swoodsupplyandsustainability.Inaddition,thispaperhighlightsChi...