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热带山地雨林演替早期先锋树种与非先锋树种叶片特征的差异(PDF)

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

Issue:
2008年04期
Page:
28-32
Column:
研究论文
publishdate:
2008-07-20

Article Info:/Info

Title:
Differences of leaf traits between pioneer and non-pioneer tree species in early succession stage of tropical montane rain forest
Article ID:
1000-2006(2008)04-0028-05
Author(s):
ZHANG Ming12 LIU Fu-de1 WANG Zhong-sheng1 AN Shu-qing1* WANG Wen-jin3 SONG Chang-hong4 ZHENG Jian-wei1 YANG Wen-jie1
1. School of Life Science Nanjing University, Nanjing 210093, China; 2. Nanjing Institute of Environmental Sciences, Nanjing 210042, China; 3. Shanghai Garden Administration Bureau, Shanghai 200023, China; 4. Shandong Provincial Meteorological Bureau, Jinan 250031, China
Keywords:
Hainan island Tropical montane rain forest Succession Pioneer specie Non-pioneer specie Leaf traits
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2008.04.006
Document Code:
A
Abstract:
Leaf traits of six pioneer species and eight non-pioneer species were measured in the early succession stage of tropical montane rain forest of Hainan island. For the fourteen species, specific leaf area (SLA) was from 52. 3 to 111.6 cm2/g, leaf nitrogen content was from 2.16 to 8.30 rag/g, leaf phosphorus was from 3.03 to 5.58 mg/g, net light-saturated photosynthetic rate (Amax) was from 2. 95 to 13.27 μ mol/(m2 s) (A per unit leaf area) and from 22.7 to 126.5μ mol/(kg ? s) (A per unit leaf dry mass). The pioneer tree species’ A A and massbased day dark respiration (Rd-mass) were significantly higher than those of non-pioneer species (P<0.05). Their SLA, LN and LP were also higher than non-pioneer species’, but no significant differences existed (P>0.05). LN and LP of pioneer and non-pioneer species were both significantly and positively correlated with SLA. For non-pioneer, a steeper slope of the relationship between LN and SLA or between LP and SLA was observed. The pioneer species’ A-area and A-mass were significantly and positively correlated with SLA. Non-pioneer species’ A was also significantly and positively correlated with SLA, but their A was significantly and negatively correlated with SLA. These results were useful for further study of succession and renew of tropical montane forest.

References

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Last Update: 2013-05-20