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1备课资料SandstormswillnotvanishinChinaSandstormswillnotvanishinChinaandincreasinggreencoverageistheonlyresort,saidanofficialwiththeStateForestryAdmin

istration(SFA),Saturday.“Asanaturalphenomenon,sandstormsaredecidedbytheclimateandtheearth’ssurface,”saidLiuTuo,anSFA

officialinchargeofdesertificationcontrol,atapressconference.Sandstormscanbetriggeredbystrongwindsandlargebarrensurfaceswh

ichprovideabundantsand,heexplained.SituatedinthecentralAsiasandstormregion,oneoftheworld’sfourlargestsandstormreg

ions,Chinanowhasmorethan1.74millionsquarekilometersofdesertificationareas,only530000squarekilometersofwhichcanbecurbed,andtheremaini

ng1.2millionsquarekilometersaredesertandgobi,aseriesofshallowalkalinebasinsthatserveasthemajorsourceofsandstormshittingnorthernChina.InChin

a,theareasoffrequentsandstormsaremainlyintheTaklimakanDesertandnearbyareasintheXinjiangUygurAutonomo

usRegion,andotherdesertsinNingxia,ShaanxiandInnerMongolia,saidLiu,addingthatsandstormsourcingareasare

notonlyinChina,butalsooutsidethecountry.HenotedthatChinahasmaderemarkableprogressincurbingsandstorms,theocc

urrenceofwhichhasreducedinthelasttwoyears.Chinawillredoubleeffortstocurb11millionhectaresofdesertifyingareasinthe2006-2010period,headded.