芦芽山林线组成树种白杄径向生长特征及其与环境因子的关系_杨艳刚.pdf

29 12 Vo.l29, No.12 2009 12 ACTAECOLOGICASINICA Dec., 2009 1, 2, 4, ＊ 2, 3 1, 2 2 2 杨艳刚 , 张文涛 , 任斐鹏 , 王耿锐 , 董满宇 (1., 　100875 2., 　100875 3., 　100875 4., 100 10 1) :, (Dendrometer) 6 , 。 , 7 15 ～ 8 7(), 9 5 ～ 10 9 ()。 :(1) , , (2 ) , , 9 0。 (3) , , 、、 , 。 (4 ) , , , , 。 : :1000 -0933 (2009)12 -6793 -12　:Q948　:A Stem radiusgrowthfeaturesofPiceameyerianditsrelationshipwith environmentalfactorsatthetreelineofLuyaMountain 1, 2, 4, ＊ 2, 3 1, 2 2 2 YANGYan-Gang , ZHANGWen-Tao, RENFei-Peng, WANGGeng-Rui, DONGMan-Yu 1 StateKeyLaboratoryofEarthSurfaceProcessesandResourceEcology, BeijingNormalUniversity, Beijing100875, China 2 CollegeofResourseScienceandTechnolog,yBeijingNormalUniversit,yBeijing100875, China 3 KeyLaboratoryofTraditionalChineseMedicineProtectionandUtilizationofBeijing, BeijingNormalUniversity, Beijing100875, China 4 InstituteofGeographicalSciencesandNaturalResource,sChineseAcademyofScience,sBeijing10010 1, China ActaEcologicaSinica, 2009, 29 (12):6793 ～ 6804. Abstrac:tTheStemradiusvariation(SRV)wasmeasuredbydendrometerfromsixsampletreesofPiceameyeriatthetree- lineofLuyaMountain, NorthChin,a combinedwithsynchronizedinstrumentalobservationandmeasurementofhabitat temperatur,emoistur,eet.c, from July15th totheAugust7th(summerphase)andfrom September5 th toOctober9th (autumnphase)in2007.Theprelmiinaryanalyticresultswereasfollow:s(1)thediameterofstemsvariedonsunnydays withadailyfluctuationbutsteadilywidened, whileonrainydaysitcontinuouslyincreasedduringtherainbutshrinked rapidlyaftertherain.(2 )TheStemradialincrement(SRI)patterninb