摘要
采用标准木法对文县杨地上部分生物量进行了调查,分析了地上部分各器官生物量与株高、胸径的相关关系,结果表明:文县杨地上部分生物量各器官的比例为树干56.12%、干皮7.8%、叶9.5%、枝21.4%、枝皮5.2%,其大小顺序依次为树干>枝>叶>干皮>枝皮;地上部分质量、树干质量、树皮质量、叶质量、枝质量等与株高和胸径均呈显著正相关关系。在此基础上,模拟了文县杨各器官生物量与树高、胸径的相关数学模型,并编制了以树高和胸径估测的文县杨生物量表。
Sample Tree Method（STM） was adopted to investigate the above-ground biomass.The correlations among biomass,the height DBH of different parts of the individuals above-ground were analyzed.Biomass ratio of different parts above-ground shows that： the trunk,bark,leaves,the branches branch bark is being 56.12%,7.8%,9.5% 21.4%,5.2%,respectively.The order of the above-ground biomass of various organs is： the trunk branchleafbarkbranch bark;quality of above-ground parts,trunk,bark,leaves,and sticks etc.with the height and DBH shows significant positive correlation;on this basis,relevant mathematical model for the biomass and tree height,DBH of different parts of P.wenxianica were simulated;biological scales which estimated tree height DBH of P.wenxianica were worked out,which can provide the basis for scientific management rational use of resources for P.wenxianica.
出处
《防护林科技》
2011年第3期9-11,共3页
Protection Forest Science and Technology
关键词
文县杨
生物量
生长规律
Populus wenxianica Z.C.Feng et J.L.Guo
biomass
growth rules
