[1]王晓燕,李忠武,修成贤.基于137Cs示踪的南方红壤丘陵区不同土地利用管理方式的侵蚀效应[J].水土保持研究,2013,20(02):1-4.
　WANG Xiao-yan,LI Zhong-wu,XIU Cheng-xian.Study on Soil Erosion and Its Effect on Different Landuse Types in the Red Soil Hilly Area of South China Based on 137Cs Tracing[J].Research of Soil and Water Conservation,2013,20(02):1-4.
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基于137Cs示踪的南方红壤丘陵区不同土地利用管理方式的侵蚀效应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年02期 页码: 1-4 栏目: 出版日期: 2013-04-28
Title:
Study on Soil Erosion and Its Effect on Different Landuse Types in the Red Soil Hilly Area of South China Based on 137Cs Tracing
作者:
王晓燕1, 李忠武2, 修成贤3
1. 长沙理工大学 土木与建筑学院, 长沙 410114;
2. 湖南大学 环境科学与工程学院, 长沙 410082;
3. 莱州市云峰中学, 山东 莱州 261400
Author(s):
WANG Xiao-yan1, LI Zhong-wu2, XIU Cheng-xian3
1. School of Civil Engineering Architecture, Changsha University of Science and Technology, Changsha 410114, China;
2. College of Environmental Science and Engineering, Hu’nan University, Changsha 410082, China;
3. Yunfeng Middle School of Laizhou, Shandong Province, Laizhou, Shandong 261400, China
关键词:
137Cs示踪; 红壤丘陵区; 土地利用; 侵蚀效应
Keywords:
137Cs tracing; red soil hilly area; land utilization; erosion effect
分类号:
S157
摘要:
南方红壤丘陵区因土壤侵蚀严重而成为生态脆弱地带。通过137Cs示踪技术，采用相关土壤侵蚀定量模型，对南方典型红壤丘陵区不同土地利用与管理方式下不同地貌部位的土壤侵蚀及其导致的侵蚀效应进行了研究。结果表明：研究区的137Cs的背景值为（1 920±125.6） Bq/m2；137Cs含量在不同土地利用管理方式和地貌部位存在明显的分异；侵蚀强度总的变化趋势表现为：荒山 > 本地松林、水保林 > 桔园 > 桔园改苗圃地 > 苗圃，因侵蚀而导致的土壤有机质和其他理化性状也表现出大致相同的变化特征；而不同地貌部位的侵蚀模数则表现为坡顶相对较小，坡中和坡底则相对较大。
Abstract:
Because of serious soil erosion and degradation, the red soil hilly region has become a fragile ecological area. Based on 137Cs tracing technique and soil erosion estimation models, the soil erosion rate and corresponding effect were studied on the representative land utilization of Shaoyang, Hunan province. The result showed that the reference inventory of 137Cs in the study area was (1 920±125.6) Bq/m2. 137Cs concentrations’ distribution had obvious differentiation on the slope with different land use types and on the different parts of slope. The average soil erosion rate was also different, which decreased in the order of barren hill, local pine forest, soil and water conservation forest, citrus orchard, nursery garden changed from citrus orchard, nursery garden. The soil organic matter and other soil physicochemical properties also showed the same variation characteristics as soil erosion rate. On the different parts of slope, the soil erosion rate was relatively smaller on the top while relatively larger rate occurred on the middle and bottom of slope.

参考文献/References:

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备注/Memo

收稿日期:2012-11-10;改回日期:2012-12-19。
基金项目:国家自然科学基金（40971170，41271914）
作者简介:王晓燕(1973-),女,湖南邵阳人,博士,副教授,主要从事土壤侵蚀与水土保持方面的研究。E-mail:w_xiaoyan@163.com

更新日期/Last Update: 1900-01-01