青冈叶片功能性状对不同海拔梯度的响应与适应

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中图分类号：S792.16 文献标志码：A 文章编号：1673-923X（2025）10-0115-09

Response and adaptation of Quercus glauca leaf functional traits to different altitudinal gradients

YANFengchen1，ZHUJiang12，AIXunru12，YAOLan12，GUOQiuju1²，CHENJinshi1 （la.KeyLaboratoyofoloicalResoucsProtectionandUtlationofHuberovce;bhoolofForestryndHtiltureHubei MinzuUnivitsbi;beslstech

Abstract：【Objective】Plantfunctional traitsareaseriesofatributesofplants，eflectingtheadaptive strategiesof plants to environmentalagesItanotolyspondtoangesintealiontutalsecttefuctioofforote elevationasakeycomprehensiveenvironmentalfactor，thetemperaturediferencebetween diferentelevations provides innate conditionsforstudinghowplantsdaptoowtmpeatureeviomentAsaepesentatieplantinsubtroicalevegeenboad-leaved forest，thereareewstudiesoaffuntioaltraitsofQuercus glaucandthecologicalstrategisdoptedyQuercusglauctoope withthehighaltiudeandlowtemperatureenvironmentaeverylmitedTostudythechangesofeaffunctionaltraitsofQuercusglauca atdierentaltdegadntsisfultodestaditssurialddeoffstategiesisposetioetalgdto provideeferencesforunderstandingtheadaptationmechanismofsubtropicalevergrendeciduousbroad-leavedmixedforestvegetation toenvironmentalandclimatechange.【Method】Inthispaper，theleaffunctionaltraitsofQuercusglaucaindiferentelevations （I，I，I）fubeiioaltueeeemeasdtaltetionsmodetevaislote diferenceandcorelationsamongthefunctionaltraits，andexplore teadaptivestrategiestocopewiththeharshenvionmentinthe high altitude area.【Result】The variation of 6 functional traits of the leaves of Quercus glauca was 9.81%-25.17% ，and the variation coefcientofdrymatercontentintemiddlelobewasthesalestndthlafareawastergestTeleafaraandspeiafa ofQuercusglucaecreasdwiththeincreaseofaltudeLeafthickns，afdrymatercontentandleafNontentincreasedwiththe increaseofidiasdeeftseadlloli witheach other，thesurvival strategyof Quercus glauca graduallychangedfrom“fastretur”to“slowretur”.【Conclusion】Among diferentaltitudegadients，terewerediferecesintefunctioaltraitsoftelavesofQuerusglaucahichadaptedtotearsh environment in the high altitudearea through the interactionand restrictionof the functional traits.

Keywords：leaffunctional traits;Quercus glauca;altitude;Mulinzi nationalnaturereserve;survival strategy

植物功能性状能够反映植物对生长环境的响应和适应，并将环境、植物个体和生态系统结构、过程与功能联系起来，能够显著影响生态系统功能并能够反映植被对环境变化的适应性[1-2]。（剩余16011字）