[Species composition, structure, and spatial distribution of shrubs in broad-leaved Korean pine (Pinus koraiensis) mixed forest in Changbai Mountains].
Based on the shrub census of 600 quadrats (5 mx5 m) in a 25 hm2 plot of broad-leaved Korean pine mixed forest in Changbai Mountains, this paper analyzed the species composition, structure, and spatial distribution of shrubs in the forest. A total of 18 shrub species, including 6435 shrub individuals and 11369 stems, were found in the census, with Philadelphus schrenkii, Corylus mandshurica, and Acer barbinerve being the dominant species. P. schrenkii had the highest amounts of individuals and stems, occupying 40.6% and 33.4% of the total, respectively. There existed great differences in the clumpy ratio, stem number per clump, crown size, and basal diameter among the shrub species, and the height of different shrub species also varied significantly, with obvious vertical stratification observed in the community. The dominant species P. schrenkii had a wide distribution, while Sorbaria sorbifolia, Spiraea chamaedryfolia, S. salicifolia, and Euonymus pauciflorus had obvious heterogeneous distributions.
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China. bxjiao1984@163.com
Xue-Jiao
XJ
Bai
Bu-Hang
BH
Li
Jian
J
Zhang
Li-Wei
LW
Wang
Zuo-Qiang
ZQ
Yuan
Fei
F
Lin
Zhan-Qing
ZQ
Hao
D031002:Acer / Q000254:growth & development; D002681:China; D031211:Corylus / Q000254:growth & development; D017753:Ecosystem; D028223:Pinus / Q000254:growth & development*; D011157:Population Dynamics; D014197:Trees / Q000254:growth & development*