简介:Forestcertificationhasdevelopedveryquicklyacrosstheworldasoneofthemostimportantmarketinitiativetopromotesustainableforestmanagement(SFM).Itssuccessandeffectivenessareinfluencedbysomekeyfactors,includingcredibility,costeffectiveness,certificationstandard,effectiveness,equitableness,government'sroleandlaws/regulationsframework.ThepaperanalyzedthesekeyfactorstothesuccessofforestcertificationandputforwardrelevantsuggestionsandadvicesforChinatod...
简介:Theisolation,cultureandtheactivedeterminationofpoplaricenucleationactive(INA)bacteriaandtheinoculationtestsinlaboratoryandfieldwereconducted,andthevarieties,distributionandnumberofpoplarINAbacteriaanditspathogenicityandfreezinginjurypropertyweredetermined.ThestudyresultsshowedthattheINAbacteriawidelyspreadonpoplarinNortheastChinaandcausedthefrozeninjuryforpoplarunderthefrostconditioninSpringorAutumn,whichwasthekeyfactortoinduceINAbacterialcanker.Throughevaluationandinvestigationofdifferentpoplarvarietiesandinoculationtests,finedisease-resistantvarietiesandstrainsofpoplarsuitableforNortheastChinawereselected.Furthertestsforstrongseedlingshowedthatburyingcuttingsinsandandcoveringwithplasticfilmcouldeffectivelyavoidthefrostbite,frozenanddroughtdamage,reduceINAbacteriainfection,andpromotepoplargrowth.INAbacterialcankerwasdetectedearlybyhighlyspecializedantiserumsofINAbacteriaandtheagglutinatedtestofring-shapedboundarysurface.Theinducerssuchasstreptomycin,phenylmercuricacetae,salicylicacidandheat-killedbacteriatoimmersecuttings,haveobviousinduceddisease-resistanteffect.Beforepoplarsproutedinearlyspring,throughsprayingthesolutionoffrostbiteagent,thecontroleffectalsowasobvious.
简介:HuoshanChina-NetherlandsPovertyAlleviationProjectisanintegratedpovertyreliefprojectassistingHuoshanCountyofAnhuiProvincebyNetherlandsgovernment.Itwasstartedin1998withadurationof5years.Thewholeprojectwillpersistinabasicthoughtofpatticipatorythinking,s...
简介:携手三林2008年4月18日,生活家与世界著名的国际化森林管理公司三林环球结成战略伙伴启动仪式暨巴洛克音乐研究所成立信息发布会在北京举行。生活家与三林集团正式签定战略合作协议,三林集团成为生活家的控股母公司。在这次生活家与三林的交易过程中,尽管双方都没有透露具体的方式与比例,但显然双方都不把这次合作视为