Using (137)Cs technique to quantify soil conservation capacities of different ecosystems in Wolong Natural Reserve, southwestern China | |
Gao Jun ; Ouyang ZhiYun | |
刊名 | SCIENCE IN CHINA SERIES C-LIFE SCIENCES
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2007-08 | |
卷号 | 50期号:4页码:566-572 |
关键词 | soil and water conservation capacities (137)Cs technique Wolong Natural Reserve natural ecosystems |
英文摘要 | Reliable information about soil conservation capacities of different natural ecosystems is an important reference for the design of targeted erosion and sediment control strategies. The objective of this paper is to quantify the soil conservation capacities of different natural ecosystems that can represent different climatic zones. The (137)CS technique has been used to estimate soil redistribution rates in different natural ecosystems over the past 40 years in Wolong Nature Reserve. The reserve, transiting from the Chengdu plain to the Qinghai-Tibet plateau, maintains rich ecosystems from subtropical to frigid. The net soil erosion rates of 5 selected ecosystems that represent a warm coniferous-broadleaf-mixed forest, a cold-resistant deciduous taiga forest, a cold-resistant shrub, an evergreen cold-resistant taiga forest, and an alpine meadow are 0.17, 0.16, 0.13, 0.11 and 0.06 kg-m(-2)center dot a(-1), respectively. Their soil conservation capacities are reversed in order. The reference inventories for (137)CS in different ecosystems range from 1658 to 3707 Bq center dot m(-2) with the altitude. Results of this study indicate that any attempt to develop effective erosion and sediment strategies in areas with similar climates should consider natural ecosystem types. |
WOS记录号 | WOS:000249267000019 |
内容类型 | 期刊论文 |
源URL | [http://ir.rcees.ac.cn/handle/311016/22396] ![]() |
专题 | 生态环境研究中心_城市与区域生态国家重点实验室 |
推荐引用方式 GB/T 7714 | Gao Jun,Ouyang ZhiYun. Using (137)Cs technique to quantify soil conservation capacities of different ecosystems in Wolong Natural Reserve, southwestern China[J]. SCIENCE IN CHINA SERIES C-LIFE SCIENCES,2007,50(4):566-572. |
APA | Gao Jun,&Ouyang ZhiYun.(2007).Using (137)Cs technique to quantify soil conservation capacities of different ecosystems in Wolong Natural Reserve, southwestern China.SCIENCE IN CHINA SERIES C-LIFE SCIENCES,50(4),566-572. |
MLA | Gao Jun,et al."Using (137)Cs technique to quantify soil conservation capacities of different ecosystems in Wolong Natural Reserve, southwestern China".SCIENCE IN CHINA SERIES C-LIFE SCIENCES 50.4(2007):566-572. |
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