| 黄土高原森林带人工油松林水土保持作用 |
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| 引用本文： | 王利霞,朱首军,陈云明,黄琳琳.黄土高原森林带人工油松林水土保持作用[J].西北林学院学报,2011,26(4):47-52. |
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| 作者姓名： | 王利霞 朱首军 陈云明 黄琳琳 |
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| 作者单位： | 1. 西北农林科技大学资源环境学院,陕西杨陵,712100
2. 西北农林科技大学水土保持研究所,陕西杨陵,712100 |
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| 基金项目： | 陕西省科学院科技计划重点项目"陕北黄土丘陵区植被恢复与动物多样性保护关键技术"，中国科学院知识创新工程"百人计划"项目:黄土高原半干旱区群落水分平衡与调控机理 |
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| 摘 要： | 采用长期定位观测方法,建立标准人工径流小区,观测了3种处理人工油松林地及对照农地的径流量和产沙量。结果表明:(1)农地14 a平均土壤侵蚀量分别为自然油松林、采伐上层乔木林地、去枯落物地的908、97、58倍;(2)农地14 a平均含沙量分别为自然油松林地、去枯落物地和采伐上层乔木林地的81、35和46倍;(3)自然油松林和采伐上层乔木林地年产流量分别为农地的13.7%和12.2%;(4)综合分析对于不同类型、农地的径流与降雨量、含沙量与降雨强度均存在显著的相关关系。土壤侵蚀量与各降雨因子的相关性与含沙量的相似。
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| 关 键 词： | 黄土高原森林带 人工油松林 径流量 含沙量 降雨因子 相关性 |
Soil and Water Conservation Function of Pinus tabulaeformis Plantation in the Forest Zone of Loess Plateau |
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| WANG Li-xia,ZHU Shou-jun,CHEN Yun-ming,HUANG Lin-lin.Soil and Water Conservation Function of Pinus tabulaeformis Plantation in the Forest Zone of Loess Plateau[J].Journal of Northwest Forestry University,2011,26(4):47-52. |
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| Authors: | WANG Li-xia ZHU Shou-jun CHEN Yun-ming HUANG Lin-lin |
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| Institution: | WANG Li-xia1,ZHU Shou-jun1,CHEN Yun-ming2,HUANG Lin-lin1(1.College of Resources and Environment,Northwest A & F University,Yangling,Shaanxi 712100,China,2.Institute of Soil and Water Conservation,China) |
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| Abstract: | Soil and water conservation functions of Pinus tabulaeformis plantation in the forest zone of Loess Plateau were investigated by long term observation,establishment of standard artificial runoff and sediment modulus.The results showed that(1) soil erosion amount on farmland was 908,97,and 58 times more than those of natural P.tabulaeformis forest land,land of cutting trees and keeping bushes and grasses,land of clearing ground litter cover and keeping trees and bush during 14 years,respectively.(2) The sedi... |
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| Keywords: | Loess Plateau forest belt Pinus tabulaeformis land runoff sediment concentration rain factor correlation |
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