[1]YU Jingrui,YANG Gairen,TIAN Xue,et al.Effects of Eucalyptus Plantation Replacing Long Rotation Plantation on Soil Infiltration[J].Research of Soil and Water Conservation,2017,24(06):11-15.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
24
Number of periods:
2017 06
Page number:
11-15
Column:
Public date:
2017-11-24
- Title:
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Effects of Eucalyptus Plantation Replacing Long Rotation Plantation on Soil Infiltration
- Author(s):
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YU Jingrui1,2, YANG Gairen1,2, TIAN Xue1,2, WANG Liaodan1, TAN Zhiwei1
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1. College of Forestry, Guangxi University, Nanning 530004, China;
2. Eco-engineering Institute, Guangxi University, Nanning 530004, China
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- Keywords:
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soil infiltration; single ring; Eucalyptus plantation; long rotation plantation
- CLC:
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S714;S152.7+2
- DOI:
-
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- Abstract:
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The previous stand types of eucalyptus plantation in Guangxi are mostly Coniferopsida long rotation plantation such as Pinus massoniana and Chinese fir. In order to ascertain the effect of vegetation changes on forest soil infiltration, infiltration of soils under deferent ages (8, 5, 4 and 1 years, abbreviation for 06-EU, 09-EU, 10-EU and 13-EU, respectively) first generation eucalyptus(Eucalyptus urophylla E. grandis) plantations were measured using single ring. Their control forest (21 a conifer-broadleaf mixed forest, 93-CM, 2 a third generation eucalyptus,12-EU3, 18 a Cunninghamia lanceolate, 96-CL, 18 a Pinus massoniana, 96-PM) were investigated at the same time. The soil infiltration parameters were calculated using BEST-intercept method. The study indicated that, compare with the previous stands (93-CM and 96-PM), the soil bulk densities of 06-EU and 13-EU significantly decreased by 13.5% and 18.3%, respectively, and porosities increased by 10.1% and 14.8%, but the change of soil particle-size distribution was not significant. The initial infiltration rate and 600 s cumulative infiltration of 06-EU were 39.9% and 25.3% lower than those of 93-CM; compare with the pre-stands(96-CL and 96-PM), the initial infiltration rate and 600 s cumulative infiltration of 10-EU and 13-EU increased by 23.9%, 148.1% and 32.7%, 97.2%, respectively; there was no significant different of soil physical property between the first with third generation eucalyptus plantations; the initial infiltration rate and 600 s cumulative infiltration of 12-EU3 were 39.9% and 32.4% lower than that of 10-EU. The research results indicate that afforestation eucalyptus on long rotation plantation land will increase soil macropore rates, which induces the changes of soil infiltration.