摘要
森林生物量测定一直是森林生态系统研究的主要内容,也是地区森林生态系统长期监测所必需的基础性研究。以浙江天童国家森林公园常绿阔叶林为研究对象,于2003年10月份采用收获法(草本层、灌木层)和标准木法(乔木层)相结合的方法,测定了以木荷Schimasuperba,米槠Castanopsis carlesii为优势种的群落地上部分生物量。结果表明:群落地上部分总生物量为(141.0770±17.4298)t.hm-2(平均值±标准差,n=3),其中接近90%集中于乔木层,其他层生物量分配较少。群落及其各层生物量种间分配差异较大,以优势树种木荷和米槠生物量为主,其生物量主要由树干组成,器官分配大小顺序为干>枝>叶。群落萌枝生物量主要集中在灌木层,50%以上由米槠萌枝生物量构成。群落生物量及其分配状况基本体现了以木荷和米槠为优势种的该群落结构特征及常绿阔叶林群落生物量分配特征。
Changes in the biomass played an important role in the research of forest ecosystem,and the basal data of biomass was indispensable to its long-term observation. Based on methods of ingathering（for herb and shrub layers） and standard trees （for tree layer）,aboveground biomass and its allocation pattem of the community dominated by Schima superba and Castanopsis carlesii were measured and analyzed in the evergreen broad-leaved forest of Tiantong National Forest Park in October,2003.The results showed that the community biomass aboveground was（141.077 0±17.429 8） t·hm^-2（mean＋SD,n=3）,that was about 90% in the tree layers, and little amount in other layers.There was remarkable difference of every species in the community and layers,in which the biomass of dominated species Schima superba and Castanopsis carlesii were respectively dominant,and the trunk biomass was the main component,the biomass order of various organs was trunk〉branch〉leaf.Sprouting biomass of the community was mainly allocated in shrub layer,above 50% of that was composed of the biomass of Castanopsis carlesii.This community structure was illuminated by the analysis of aboveground biomass and its distribution pattern as well as the biomass characteristics and allocation of evergreen broad-leaved forest.
出处
《浙江林学院学报》
CSCD
北大核心
2007年第4期389-395,共7页
Journal of Zhejiang Forestry College
基金
国家自然科学基金重点资助项目(30130060)
国家重点基础研究发展计划(973计划)资助项目(G2000046801)
上海市城市化生态过程与生态恢复重点实验室建设项目
关键词
森林生态学
常绿阔叶林
群落生物量
分配规律
天童国家森林公园
forest ecology
evergreen broad-leaved forest
aboveground biomass
allocation pattern
Tiantong National Forest Park
