简介:AtpresentbiomassenergyindustryisinitsinfancyinChinaandithasabrightfuture.Biomassenergyproductionusedgrainasrawmaterialshasenteredindustrializationphase.Somekeytechnologiesofbiomassenergyindustryarecomingtomature.Chinahasissuedrelevantindustrialstandardslawsandregulations,andhasprovidedsupportinfinance,loan,tax,etc.ButChina'sbiomassenergyindustryisfacedwithmanyproblemswhichneedtobesolved.Forexample,takinggrainasrawmaterialsisunsustain...
简介:Fromthreedifferenthistoricalphases,thearticlesummarizesthedevelopmentprocessonforestrycooperativeorganizationsinChinasince1949,andanalysesthetypes,functionsandexistingproblemsofcurrentforestrycooperativeorganizations.Drawingontheexperienceofothercountriesforreference,theauthorsbringforwardpolicysuggestionsonfacilitatingthedevelopmentofforestrycooperativeorganizationsandstrengtheningstandardizedmanagement.
简介:Ofthemanyservicesthatforestsprovide,hydrologicalservicesareamongthemostvaluable,anditbecomesmorescarcewiththegrowingdemandsbyhumanbeings.Asakindofincentivemeasureforprotectingforest,foresthydrologicalservicesmarketshavebeendevelopedinmanycountriesaroundtheworldandsomevaluableexperienceshavebeenachieved.Thepaperreviewstheexperimentscarriedoutintheworldandtheirresearchfindingsonforesthydrologicalservicesmarket,andpresentstheissuesto...
简介:Thefeasibilityofthetechnologieshasbeendiscussedinthepaperthatbambooisusedformiddlingandtop-gradebuildingconstruction,architecturedecorating,andothermajorapplications.Thecontentincludesthecurrentapplicationofbamboomaterialsinconstructionfield;thebamboobearingmaterialtechnologicalprocesssuchasthelaminatedbambooboard,bamboomatplywoodprocesses;bambooceilingandwallmaterialtechnologiessuchasthebambooparticleboard,cement-bondedbambooparticlebo...
简介:PyriculariaoryzaeanamorphofMagnaportheoryzaeisoneofthemostnotoriousfungalpathogenscausingsevereeconomiclossinriceproductionworldwide.Variousmethods,viz.cultural,biologicalandmolecularapproaches,areutilizedtocounteractthispathogen.Moreover,sometolerantorresistantricevarietieshavebeendevelopedwiththehelpofbreedingprogrammes.Isolationandmolecularcharacterizationofdifferentblastresistancegenesnowopenthegatefornewpossibilitiestoelucidatetheactualallelicvariantsofthesegenesviavariousmolecularbreedingandtransgenicapproaches.However,thebehavioralpatternofthisfungusbreakupstheresistancebarriersintheresistantortolerantricevarieties.Thishost-pathogenbarrierwillbepossiblycounteredinfutureresearchbycomparativegenomicsdatafromavailablegenomesequencedataofriceandM.oryzaefordurableresistance.Presentreviewemphasizedfascinatingrecentupdates,newmolecularbreedingapproaches,transgenicandgenomicsapproaches(i.e.miRNAandgenomeediting)forthemanagementofblastdiseaseinrice.Theupdatedinformationwillbehelpfulforthedurable,resistancebreedingprogrammeinriceagainstblastpathogen.
简介:Assessmentofregionalforestcarbonstocksandunderlyingcontrolsiscriticalforguidingforestmanagementinthecontextofcarbonsequestration.Weinvestigatedthevariationsintreebiomasscarbonstocksrelatingtoforesttypes,andestimatedthetotaltreebiomasscarbonstocksandprojectedgainsthroughnaturalstanddevelopmentby2020and2050intheDaqingMountainNatureReservebasedonCategoryIIdataoftheForestInventoryofInnerMongoliafortheperiodending2008.Overatotalareaof388,577ha,thisnaturereservecurrentlystoresanestimated2221GgCintreeabovegroundbiomassalone,withpotentialtogrowbymorethan30%toreach2938GgCby2020andnearlydoubleto4092GgCby2050throughnaturaldevelopmentoftheexistingforeststands.Thetreebiomasscarbondensityandpotentialgainintreebiomasscarbonstocksvarymarkedlyamongforesttypesandwithstanddevelopment.Thevariationsinthepotentialchangeoftreebiomasscarbondensityfortheperiods2008–2020and2008–2050amongforesttypespartlyreflectthevaryingrelationshipsoftreebiomasscarbondensitywithstandagefordifferenttreespecies,andpartlyareattributabletovariationsinthestandagestructureamongdifferentforesttypes.Ofthemajorforesttypes,therankingofprojectedchangesintreebiomasscarbondensityarenotconsistentwithvariationsintherelationshipbetweentreebiomasscarbondensityandstandage,neitheraretheyexplainablebyvariationsinstandagestructures,implyingtheinteractiveeffectbetweenforesttypeandstanddynamicsontemporalchangesintreebiomasscarbondensity.Birchrankhighestforfuturebiomasscarbonsequestrationbecauseofitsdominanceincoverareaandbetteragestructureforpotentialgainintreebiomasscarbonstocks.Poplarandlarchwereout-performerscomparedtootherforesttypesgiventheirgreatercontributiontototaltreebiomasscarbonstocksrelativetotheirdistributionalareas.Findingsinthisstudyillustrateth