| 人工管理措施改善了我国西部高寒沙化草甸土壤水分和碳、氮、磷含量 |
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| 作者姓名： | WU Gao-Lin LI Wei ZHAO Ling-Ping SHI Zhi-Hua |
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| 作者单位： | State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resource, Yangling 712100 (China);Key Laboratory of Arid and Grassland Ecology of the Ministry of Education, Lanzhou University, Lanzhou 730000 (China);State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resource, Yangling 712100 (China);Key Laboratory of Arid and Grassland Ecology of the Ministry of Education, Lanzhou University, Lanzhou 730000 (China);State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resource, Yangling 712100 (China) |
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| 基金项目： | Supported by the Strategic and Leading Sci-Tech Project of the Chinese Academy of Sciences (No.XDA05050403); the Key Laboratory of Arid and Grassland Ecology of the Ministry of Education, Lanzhou University, China, the State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, China (Nos.10502-Z8-5 and 10502-Z12); the Hundred Talents Program of the Chinese Academy of Sciences |
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| 摘 要： | Regeneration of degraded grassland ecosystems is a significant issue in restoration ecology globally. To understand the effects of artificial management measures on alpine meadows, we surveyed topsoil properties including moisture, organic carbon (SOC), nitrogen (N), and phosphorus (P) contents five years after fencing and fencing + reseeding management practices in a sandy meadow in the eastern Qinghai-Tibetan Plateau, northwestern China. Both the fencing and fencing + reseeding management practices significantly increased soil moisture storage, SOC, total N, available N, total P, and available P, as compared to the unmanaged control. Fencing plus reseeding was more effective than fencing alone for improving soil C, N, and P contents. These suggested that rehabilitation by reseeding and fencing generally had favorable effects on the soil properties in degraded sandy alpine meadows, and was an effective approach for restoration of degraded meadow ecosystems of the Qinghai-Tibetan Plateau.
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| 关 键 词： | degraded ecosystem fencing reseeding restoration ecology soil properties |
Artificial management improves soil moisture, C, N and P in an alpine sandy meadow of western China |
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| WU Gao-Lin,LI Wei,ZHAO Ling-Ping,SHI Zhi-Hua.Artificial management improves soil moisture, C, N and P in an alpine sandy meadow of western China[J].Pedosphere,2011,21(3):407-412. |
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| Authors: | WU Gao-Lin LI Wei ZHAO Ling-Ping and SHI Zhi-Hua |
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| Institution: | State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resource, Yangling 712100 (China);Key Laboratory of Arid and Grassland Ecology of the Ministry of Education, Lanzhou University, Lanzhou 730000 (China);State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resource, Yangling 712100 (China);Key Laboratory of Arid and Grassland Ecology of the Ministry of Education, Lanzhou University, Lanzhou 730000 (China;State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100 (China);Institute of Soil and Water Conservation of Chinese Academy of Sciences and Ministry of Water Resource, Yangling 712100 (China) |
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| Abstract: | Regeneration of degraded grassland ecosystems is a significant issue in restoration ecology globally. To understand the effects of artificial management measures on alpine meadows, we surveyed topsoil properties including moisture, organic carbon (SOC), nitrogen (N), and phosphorus (P) contents five years after fencing and fencing + reseeding management practices in a sandy meadow in the eastern Qinghai-Tibetan Plateau, northwestern China. Both the fencing and fencing + reseeding management practices significantly increased soil moisture storage, SOC, total N, available N, total P, and available P, as compared to the unmanaged control. Fencing plus reseeding was more effective than fencing alone for improving soil C, N, and P contents. These suggested that rehabilitation by reseeding and fencing generally had favorable effects on the soil properties in degraded sandy alpine meadows, and was an effective approach for restoration of degraded meadow ecosystems of the Qinghai-Tibetan Plateau. |
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| Keywords: | degraded ecosystem fencing reseeding restoration ecology soil properties |
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