浙江农林大学学报2012，Vol.29Issue(5)：647-654,8.
百山祖亮叶水青冈种群结构和分布格局
Population structure and distribution of Fagus lucida in the Baishanzu forest
摘要
Abstract
To study the structure and population dynamics of Fagus lucida, as well as its distribution pattern, the study was carried out in a 5 hm2 permanent plot established in the north slope of Baishanzu Nature Reserve, Zhejiang Province. Size structure and index of assembling intensity (K) were analyzed. Results at four teen growth stages, based on diameter at bright height (DBH), showed that stages 1 and 2 comprised only 4% of all individuals, stages 4 to 9 made up 80%, and stages 10 to 13 accounts for 13%. Also, K for small trees (1.0 cm≤SDBH<7.5 cm) was 0.588, for seedlings (DBH<1 cm) it was 0.029, for middle-sized trees (7.5 cm≤ DBH<22.5 cm) it was 0.143, and for large trees (DBH≥22.5 cm) it was 0.169. Thus, Fagus lucida population structure was a spindle-type with the population declining due to lack of seedlings; whereas K revealed that spatial distribution was random for small trees but clumped for seedlings, middle-sized trees, and large trees, as a result decided mainly by interactions of biological and ecological properties like the inter-competi tion and density limitation, as well as environmental factors like drought and storm.关键词
森林生态学/亮叶水青冈/种群结构/分布格局/百山祖Key words
forest ecology/ Fagus lucida/ population structure/ distribution pattern/ Baishanzu分类
农业科技引用本文复制引用
陈小荣,李乐,夏家天,杨旭,王伟,丁炳扬..百山祖亮叶水青冈种群结构和分布格局[J].浙江农林大学学报,2012,29(5):647-654,8.基金项目
中国科学院专项基金资助项目(SW04103) （SW04103）
