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...

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简介：ElevenspeciesofalieninvasiveforestinsectpestshavebeenfoundsincetheearlytimethatinsectspecieshadbeentakenrecordedinChina.Theirorigins,inlanddistribution,invasivetime,hosts,causingdamagearerecordedinthispaperfortheevidenceofbiologicalinvasion.Theircontrolmethodsarealsostudiedordiscussed.

简介：本文报道了毛白杨三倍体育种的研究进展．应用染色体加倍、种间杂交和花粉辐射技术，成功选育出了２０个回交杂种异源三倍体无性系，最优三倍体无性系８年生单株材积达到了０．３６ｍ３，超过一般二倍体的２．５５倍．由此表明，育种材料的遗传组成和育种方法是获得较高遗传增益的基础．二倍体选种增益一般为４５％，回交杂种增益为１５５％，而异源三倍体最优无性系的增益为２５５％．

简介：GenusEurydoxaFilipjevinChinaisreviewedandnotedforthefirsttime.Basedonthepresentstudy,twospeciesarerecognized,includingrhodopaDiakonoffandadvenaFilipjev.Allavailableinformationforthespeciesisreviewedandprovided.

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.

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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...