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采用Rényi多样性曲线法评价昆嵛山林下灌草层多样性排序效果(PDF)

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

Issue:
2012年01期
Page:
73-78
Column:
研究论文
publishdate:
2012-01-30

Article Info:/Info

Title:
Assessment of shrub and herb diversity ordering by Rényi diversity profiles for Kunyushan Forest Reserve
Author(s):
SUN Zhiqiang1 ZHU Yanpeng2ZHANG Xingyao23LIN Lin23LIANG Jun23*JU Jiming4
1.China Paulownia Research Center, China State Forestry Administration, Zhengzhou 450003,China; 2.The Key Laboratory of Forest Protection of China State Forestry Administration, Research Institute of Forest Ecology, Environment and Protection, CAF, Beij
Keywords:
Rényi diversity profiles diversity ordering shrub and herb Kunyushan National Forest Reserve
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2012.01.015
Document Code:
A
Abstract:
In this paper, Rényi diversity profiles were used to order communities in diversity of shrub and herb among stand types and site conditions from 40 permanent plots set by Kunyushan Ecosystem Station and assess the efficiency of this approach. Sample species accounted 92.9% of total species in the reserve with an ACE value of 131.26. Analysis of species accumulation curves indicated that samples were statistically sufficient for analysis. ANOVA analysis suggested that shrub and herb diversity indices under various elevations, slope positions, slope gradients and soil depths were not significantly different, however that ShannonWinner index (F=4.665, p=0002)and Simpson index(F=2.465, p=0.044) were significantly different in various stand types. Rényi diversity profiles also indicated that, by having consistently higher profiles than other stand types, broadleaved stands and coniferbroadleaved mixed stands appeared to have higher species diversity, while the other five stand types, i.e. Pinus thunbergii stands, P. densiflora stands, P. thunbergiiP. densiflora mixed stands, Larix kaempfer/Cunninghamia lanceolata stands, coniferQuercus acutissima mixed stands, could not be ordered in diversity with one another as they had corresponding diversity profiles that intersected. On the other hand, site conditions had obvious effect on diversity. Plots at lower elevation, lower slope position and gradient, soil depth>5 cm and ranging 1-3 cm, had lower species diversity. Thus, Rényi diversity profiles were more intuitive to display some detailed differences of species diversity in communities than that which can not be distinguished by other analysis approaches.

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Last Update: 2012-01-30