36544.植物導水系統(tǒng)的形態(tài)差異性與功能趨同性

1、中國科學院新疆生態(tài)與地理研究所碩士學位論文植物導水系統(tǒng)的形態(tài)差異性與功能趨同性姓名：王婷婷申請學位級別：碩士專業(yè)：生態(tài)學指導教師：李彥20080601摘要11／MorphologicaldivergenceandfunctionalconvergenceinplanthydraulicsystemWangTingting(Ecology)DirectedbyProfessorLiYahAbstractPlantsresponseanda

2、dapttovariableenvironmentbymorphological，physicalandhydraulicadjustinginordertoke印resourcesoptimalpartitionandwaterbalanceDifferentplantcouldbedivergentinmorphologyandphysiologywhenCOoccurrenceinthesamemicroenvironmentan

3、dmanagementwhereastheremaybeacertainconstantruleforallplantstoke印waterbalanceWeexaminedthemorphologyphysiologyanatomyandrelativeabilityinwatertransportationofGossypiumhirsutumLc、rXinK4，snlsolQnitrariaPall，Sophoraalopecur

4、oidsL，Sphaerophysasalsula(P口11)DC，Pefanumharmala厶andKalidiumfoliatumOa11)Moq，aftera70days’vegetativegrowthThe6plantsgrewporedinthesameenvironmentandundertheoptimalwaterfertilizermanagementItshowedinterspeciesdivergencein

5、allkindsofplanthydraulicsystemmorphologysuchasheightbasalstemdiameterleafareaabsorptionrootareaspecificleafarearoot／shootratio，transpirationrate，stomataconductance，anatomicalstructureandSOonSomeofthemorphologicalratiosof

6、hydraulicsystemsuchasdiameter&eight，leafarea／absorptionrootareastomataarea／stemvesselsectionalareaandSOonwerepartlyconsistentindifferentplantsWhenapplyingtheManningformulatocalculatethesapflowvelocityofplanthydraulicsyst

7、em，wecanobtaintherelativeabilitiesofwaterabsorptionconductionandlossWefoundtherewassignificantlydifferenceinthethreeabilitiesseparatelyalsoexistedanidenticaltendencyamongthemTheratiosamongtwooftheabilitiesshowedanobvious