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八角林分水源涵养功能的研究(PDF)

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

Issue:
2003年06期
Page:
63-66
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
A Study on the Water Conservation Function of Illicium verum Forest
Article ID:
1000-2006(2003)06-0063-04
Author(s):
HE BinLI YueWANG Linghui
Forestry College of Guangxi University,Nanning 530001,China
Keywords:
Illicium verumManglietia glaucaPinus massonianaWater conservation function
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2003.06.016
Document Code:
A
Abstract:
Through selecting comparative plots with the close location,same site indexes and similar tree age(mature stand) in Illicium verum forest,Pinus massoniana forest and Manglietia glauca forest,the waterholding capacity of canopy,vegetation layer under canopy and litter layer,the waterholding capacity of soil were further studied.The paper aimed to make a comparison to the water conservation function between the Illicium verum forest(economic forest) and the industrial plantation(including broadleaf forest and conifer forest).The result showed the total waterholding above ground and in the order of Manglietia glauca forest(42.245 t/hm2)>Illicium verum forest(27.150 t/hm2)>Pinus massoniana forest(16.098 t/hm2).The total waterstoring of soil(0~100 cm) of Illicium verum forest(686.20 t/hm2) was approximate to that of Manglietia glauca forest(722.80 t/hm2) and significantly higher than that of Pinus massoniana forest(546.40 t/hm2).The original permeation value and steady permeation value in 0~20 cm were Illicium verum forest>Manglietia glauca forest>Pinus massoniana forest.If the total waterstorage capacity both above ground and soil was regarded as the evaluating index,the largest was in Manglietia glauca forest(765.04 t/hm2),the second in Illicium verum forest(713.35 t/hm2),the least in the Pinus massoniana forest(573.30 t/hm2).Therefore,the Illicium verum forest could achieve economic benefits and also ecological benefits such as soil structure improvement and the water conservation.

References

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Last Update: 1900-01-01