中条山东段植被垂直带的数量分类研究

STUDY ON VERTICAL ZONATION OF VEGETATION IN THE EASTERN PART OF THE ZHONGTIAO MOUNTAINS, SHANXI

在野外调查的基础上 ,应用有序样方聚类法对中条山东段植被的垂直带进行了数量分类研究 ,结果为 :1.落叶阔叶林带 ,包括 4个亚带 :(1)侧柏林带 (5 0 0～ 80 0m) ,(2 )松栎林带 (80 0～ 180 0m) ,(3)栓皮林带(140 0～ 2 0 0 0m)和 (4 )杨桦林带 (190 0～ 2 2 0 0m) ;2 .山地草甸带 (2 10 0～ 2 35 8m) .此外 ,与前人的划分结果进行了比较 ,结果表明 ,有序样方聚类法的结果更符合实际情况 .参

The vertical belts of vegetation in the eastern part of the Zhongtiao Mountains were studied by using the method of ordered plot clustering. There are 2 belts in the research area: 1. Deciduous broad leaved forest belt,including 4 subbelts which are (1) Platycladus orienlalis forest subbelt (500～800 m above sea level) , (2) Pinus Quercus forest subbelt (800～1 800 m), (3) Quercus variabilis forest subbelt (1 400～2 000 m), (4) Populus Betula forest subbelt (1 900～2 200 m), and 2. mountain meadow belt (2 100～2 358 m). The present division resulted from the ordered plot clustering method is regarded to be more reasonable. Ref 9