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WANG Jing-yan, GONG Wei, HU Ting-xing, GONG Yuan-bo, RAN Hua. Water conservation in a natural evergreen broadleaf forest and three plantations in southern Sichuan Province[J]. Journal of Zhejiang A&F University, 2007, 24(5): 569-574.
Citation: WANG Jing-yan, GONG Wei, HU Ting-xing, GONG Yuan-bo, RAN Hua. Water conservation in a natural evergreen broadleaf forest and three plantations in southern Sichuan Province[J]. Journal of Zhejiang A&F University, 2007, 24(5): 569-574.

Water conservation in a natural evergreen broadleaf forest and three plantations in southern Sichuan Province

Funds:

forest ecology |natural evergreen broadleaf forest |artificial regeneration |water conversation |infiltration

  • Publish Date: 2004-10-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Water conservation in a natural evergreen broadleaf forest and three plantations in southern Sichuan Province

Funds:

forest ecology |natural evergreen broadleaf forest |artificial regeneration |water conversation |infiltration

Abstract: How did the water conservation in the soil change when the natural evergreen broadleaf forests were regenerated to the plantations ?The aim was to provide a basis to protect the natural evergreen broadleaf forests and manage the plantations .This research studied water conservation in the soil of a natural evergreen broadleaf forest and three plantations , namely Sassafras tsumu , Cryptomeria fortunei , and Metasequoia glyptostroboides plantations , that were formed by artificial regeneration within the natural evergreen broadleaf forest in Muchuan County of Sichuan in July of 2004 and 2005 , by typical sample plots method , statistical analysis and correlation analysis . Results showed that compared with the natural evergreen broadleaf forest , soil organic matter in the three plantations significantly decreased (P 0.05) and bulk density significantly increased (P 0.05).For the C .fortunei plantation soil total porosity and capillary porosity , maximum and minimum water holding capacity , as well as the capillary porosity water holding capacity of the 20 -40 cm soil layer were significantly lower (P 0.05) than the natural evergreen broadleaf forest .S .tsumu and M .glyptostroboides plantations had fewer negative effects on original soil water conservation than the C .fortunei plantation .A close relationship (P 0.05) existed among soil organic matter , bulk density and porosity , water holding capacity , drainage capacity , and infiltration .Therefore , protecting and choosing appropriate tree species for artificial regeneration of a natural evergreen broadleaf forest are important for increasing water conservation in forest soils so as to decrease surface runoff losses .[ Ch , 4 tab .15 ref .]

WANG Jing-yan, GONG Wei, HU Ting-xing, GONG Yuan-bo, RAN Hua. Water conservation in a natural evergreen broadleaf forest and three plantations in southern Sichuan Province[J]. Journal of Zhejiang A&F University, 2007, 24(5): 569-574.
Citation: WANG Jing-yan, GONG Wei, HU Ting-xing, GONG Yuan-bo, RAN Hua. Water conservation in a natural evergreen broadleaf forest and three plantations in southern Sichuan Province[J]. Journal of Zhejiang A&F University, 2007, 24(5): 569-574.

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