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荒漠人工植被区柠条和油蒿茎干液流动态研究
Title:DynamicStudyonSapFlowofTamarixandSuaedaSteminArtificialVegetationAreainDesert
Abstract:
Theestablishmentofartificialvegetationindesertareasisofgreatsignificanceforecologicalrestorationandenvironmentalprotection.However,thereislimitedresearchonthedynamiccharacteristicsofsapflowindesertplants,suchasTamarixandSuaeda.Inthisstudy,weconductedadynamicinvestigationofsapflowinthestemsofTamarixandSuaedainanartificialvegetationareainthedesert.Throughmonitoringandanalysis,wefoundthatsapflowinTamarixandSuaedastemsshoweddifferentcharacteristicsinresponsetoenvironmentalfactorssuchastemperature,lightintensity,andsoilmoisture.Thesefindingsprovidevaluableinformationforunderstandingthewatertransportmechanismandgrowthadaptationofdesertplantsinartificialvegetationareas.
1.Introduction
Desertsarecharacterizedbyextremearidityandharshenvironmentalconditions,makingitdifficultforplantstosurvive.Theestablishmentofartificialvegetationisaneffectivemeasuretocontrolwinderosion,preventsandstorms,andpromoteecologicalrestorationindesertareas.TamarixandSuaedaarecommondesertplantsthatareoftenusedinartificialvegetationduetotheirstrongresistancetodrought,salinity,andwind.However,thedynamiccharacteristicsofsapflowinTamarixandSuaedastemsremainpoorlyunderstood.
2.Methodology
2.1StudyArea
Thestudyareaislocatedinadesertregionwithatypicalaridclimate.Theaverageannualtemperatureisaround30°C,andtheannualprecipitationislessthan100mm.
2.2SapFlowMonitoring
SapflowinTamarixandSuaedastemswasmonitoredusingtheheatdissipationmethod.Thermaldissipationprobeswereinsertedintothestems,andthetemperaturedifferencebetweentheheatedandnon-heatedprobeswasrecordedatregularintervals.
2.3EnvironmentalFactorsMonitoring
Temperature,lightintensity,andsoilmoisturewerealsomeasuredduringthestudyperiodtoanalyzetheireffectsonsapflow.
3.ResultsandDiscussion
3.1SapFlowCharacteristicsofTamarix
ThesapflowinTamarixshowedadiurnalpatternwithapeakduringthedayandadecreaseatnight.Themaximumsapflowratewasobservedintheafternoo