[1]YANG Xianjun,DENG Yunye,DUAN Lindong.Analysis on Soil and Water Protection Functions of Three Types of Stands[J].Research of Soil and Water Conservation,2016,23(02):177-182.
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Analysis on Soil and Water Protection Functions of Three Types of Stands
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
23
Number of periods:
2016 02
Page number:
177-182
Column:
Public date:
2016-04-28
- Title:
- Analysis on Soil and Water Protection Functions of Three Types of Stands
- Keywords:
- red soil; soil erosion; water conservation forest; runoff coefficient; soil erosion modulus
- CLC:
- S714.7
- DOI:
- -
- Abstract:
- The principles of ecology system, the protection of soil and water features on red soil in three different types of soil and water conservation forests in Shaodong, Hu’nan were studied. The results showed that the water holding capacities of three kinds of soil and water conservation forest plants were 7.55~7.93 times of those of the same area. The non-capillary porosities in 20 cm deep soil of the stands were 23.53%~43.82% higher than that in the wasteland,which accounted for 17.20%~25.27% more grand total porosity in stands than that in wasteland. The natural soil moisture in 20 cm deep soil in the stands ranged from 24.1% to 25.2%,which was 10.55%~15.60% higher than that in wasteland. The soil capillary water was 1.11~1.21 times more than that in the wasteland. The maximum water holding capacity in the wasteland was 82.83%~92.69% of that in soil and water conservation of forests,and soil erosion modulus in the soil and water conservation forest decreased by 33.78%~46.35% compared to that in the wasteland. Soil and water conservation forest has the significant soil and water conservation function, and the soil and water conservation features in the mixed forest of broad-leaved species were greater than that in the coniferous broad-leaved species mixed forest.
- References:
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