长白山地区臭冷杉径向生长与环境因子的响应
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中图分类号：S791.149 文献标志码：A 文章编号：1673-923X（2025）11-0055-11
Response of radial growth of Abies nephrolepis to environmental factors in Changbaimountain
WANGQi1，WANGZixiao²，LIUTaiyan1，XUWei²，XIANGWei1 （1.NationalKeybratoryfientProductiooFrestsoureseigorestryUesityngoia; 2.China ForestFarm Group Corporation Limited，Beijing looo29，China; 3.Wang Qing ForestryBranchofChangbaiMountain Forest IndustryGroup，Yanjil332oo，Jilin，China）
Abstract：【Objective】Studyingtheradialgrowthof tresiscucialforreconstructingpastclimaticconditionsandpredictingthe futureadaptabilityofreststolimatechangeandfordevelopingsustaableforestmaagementstrategies.【Method】TeGopertz modelwausedtoftthegrowthcurveofAbiesnephrolepistodeterminethetimeofgrowigseason.Theperiodiccyclemethoddaily valuemethodandzergrowthmodelwereusedtoextract tedailydialvration，andtheorelationbetwnteadalvationin thegrowingseasonandevionmentalfactorssuchaairtmperatureandumiditysoiltmpeatureandumidityasprocdad analyzed.【Result】1）ThegrowthseasonofAbiesnephrolepisbeganinearlyMayandendedfromlateJulytoAugust.Themaximum growthrateappearedbeforethesummersolstice;2）TheannualradialvariationsequenceofAbiesnephrolepis hasobviousseasonal characteristics.Terapidwaterreplenishmentexpansioninarlyspringandthefreze-tawccleofsteminwinteradstogeradial varition，whilethelongperiodcausedbyontiuouscoolinginsummerandcontiuouscontractionoflowtemperatureinwintermakes thedailyradialvarationofpriodiccyclemethodsignfcantlydiferentfromothermethds;3）Duringtegrowingseasonsuint rainfallandlowsaturatedaporpresuredeficitwerethekeyfactorstopromotetedailyadialgrowthofAbiesnephrolepiswhilete minimumtemperatureatnghtsignifcantlyaffectedtheexpansiongrowthprocessofadialvariation.Thedailyvaluemethodandthe zerogrowthmodelemphasizethsyegisticfectofultipleydrothealonditiossuchasaverageairtemperature，soiltmpature andhumiditywhiletheperiodiccyclemethodemphasizestheoleofwaterfactors（saturatedvaporpressrediferene，aiall）， and the periodic cycle method has a higher interpretation of growth variablesabout 60% .【Conclusion】Rainfall and saturated vapor presurediferencewerethedominantenvironmentalfactorsinthegrowingseasonofAbiesnephrolepis inthestudyrea，followedby thehighstairtemperatureandsoilmoistureTeperiodiccclmetodismoresuitableforthestudyofshorttetreeadialgrowthin this area than other methods.
Keywords：radial growth;Abiesnephrolepis;stemcycleapproach;dailyapproacl
树木作为地球生态系统中不可或缺的组成部分，在生物多样性和生态系统服务中发挥着重要的作用[1，树木的生长，尤其是径向生长不仅能够反映树木自身的生理状况，还能反映其对环境因素的响应。（剩余19049字）
