第51卷第1期2023年3月贵州林业科技GuizhouForestryScienceandTechnologyVol.51,No.1Mar.,2023梁山慈竹和硬头黄竹秆形结构和地上生物量分配特性姜霞1,2,周华1,2,晏玉莹1,侯贻菊1,杨永艳1,2,谢涛1(1.贵州省林业科学研究院,贵州贵阳550005;2.贵州黎平石漠生态系统国家定位观测研究站,贵州贵阳550005)摘要:以赤水市主要竹浆竹梁山慈竹和硬头黄竹为试材,对梁山慈竹和硬头黄竹竹节变化规律、地上生物量分配规律、构件生物量与调查因子的相关性进行了研究。结果表明:梁山慈竹和硬头黄竹竹节的分布都呈现“短-长-短”的分布规律。梁山慈竹和硬头黄竹地上部分各构件含水率平均值呈叶>秆>枝的趋势,叶的含水率分别是62.80%和54.77%。梁山慈竹和硬头黄竹两个竹种地上部分生物量随竹龄的增大而减少,表现为1a生>2a生>3a生;同一竹龄两个竹种都表现为秆的生物量显著高于枝、叶,两个竹种地上部分不同构件生物量占地上生物量的比值都表现为秆占比例最大,分别为67.58%和73.54%,枝和叶构件的比例无显著差异。关键词:梁山慈竹;硬头黄竹;秆形结构;生物量中图分类号:S795.5文献标识码:ACulmStructureandAbove-groundBiomassAllocationofDendrocalamusfarinosusandBambusarigidaJIANGXia1,2,ZHOUHua1,2,YANYu-ying1,HOUYi-ju1,YANGYong-yan1,2,XIETao1(1.GuizhouAcademyofForestry,Guiyang,Guizhou550005;2.GuizhouLipingNationalPositioningObservationandResearchStationofStoneDesertEcosystem,Guiyang,Guizhou550005)Abstract:TestbamboosweretakenastheD.farinosusandBambusarigidainChishuiCounty,GuizhouProvinceofChina.Thenodelengthofbambooandtheallocationpatternofabove-groundbiomasswerethenmeasuredtodeterminethecorrelationofmodularbiomassandsurveyfactors.Theresultsshowedthattherewasthetrendof“short-long-short”inthebamboonodelengthofD.farinosusandB.rigida.Themoisturecontentoftwokindsofbambooswasrankedinthedescendingorderoftheleaf>stem>brand,wherethemoisturecontentsofleafwere62.80%,and54.77%,respectively.Theabove-groundbiomassoftwokindsofbamboosdecreasedwiththeincreaseofageclass.Thebiomassofstemsoftwokindsofbambooswerehigherthanthatofbranchesandleaves.Thestemmodulewasaccountedforthelargestpro-portionineachbamboo,whichwere67.58%and73.54%respectively.Therewasnosignificantdifferencebetweentheproportio...
