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青海云杉林种、属、科丰富度的垂直分布格局(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年04期
Page:
97-101
Column:
研究论文
publishdate:
2010-08-06

Article Info:/Info

Title:
The vertical distribution pattern of species richness in species, genera and families of Picea crassifolia forest
Author(s):
LIU Jianquan HAO Hu WANG Xuefu
Administration of Qilianshan National Nature Reserve, Zhangye 734000, China
Keywords:
Qilianshan National Nature Reserve Picea crassifolia forest species richness vertical distribution pattern
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2010.04.022
Document Code:
A
Abstract:
Based on the data collected from the 16 sampling plots which was 400 m2 per plot and selected from representative Picea crassifolia forest in six natural reserve stations, the vertical distribution pattern of plant species(S), genera(G), families (F), species/ genera(S/G), species / families(S/F), genera/ families(G/F), plant species/ the total of species(S/ST), genera/total genera(G/GT)and families/ total families(F/FT) were studied in Qilianshan National Nature Reserve. The results showed that: there were 96 species of vascular plants in P.crassifolia forest, which belonged to 25 families and 52 genera, it were 7.35 % of the total vascular plant species(1 305), 11.69 % of the total genera(445), 27.13 % of the total families(92) and showed a higher diversity; as the higher of the altitude, S, G, F showed a monotonously downward trend, S/G showed an increasing trend, S/F, G/F, S/ST, G/GT, F/FT showed a lower trend. The integrated richness of different forest types from largest to smallest is: P.crassifolia mixed forest, lousewort and P.crassifolia forest, grasses and P.crassifolia forest, shrubs and P.crassifolia forest, moss and P.crassifolia forest. As the elevation increased, the richness of the different forest types showed different variation trend.

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Last Update: 2010-08-06