Edge Influence of Soil Temperature on Cultivated Pasture-Farmland Boundary in Guizhou Province

doi:10.11733/j.issn.1007-0435.2013.06.007

›› 2013, Vol. 21 ›› Issue (6): 1080-1084.DOI: 10.11733/j.issn.1007-0435.2013.06.007

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Edge Influence of Soil Temperature on Cultivated Pasture-Farmland Boundary in Guizhou Province

YANG Feng¹, LIU Hong-lai¹, CHEN Chao^1,2, LI Lin¹, KONG De-shun³, WU Wen-xuan¹, ZHAO Li-li¹, XIANG Jun⁴

1. College of Animal Science, Guizhou University, Guiyang, Guizhou Province 550025, China;
2. College of Animal Science & Technology, China Agricultural University, Beijing 100193, China;
3. Institute of Animal Husbandry and Veterinary Research, Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou Province 550005, China;
4. Agriculture Bureau of Huangping County, Huangping, Guizhou Province 556100, China

Received:2013-04-28 Revised:2013-07-11 Online:2013-12-15 Published:2013-11-27

贵州人工草地-农田界面土壤温度影响域研究

杨丰¹, 刘洪来¹, 陈超^1,2, 黎琳¹, 孔德顺³, 吴文旋¹, 赵丽丽¹, 向俊⁴

1. 贵州大学动物科学学院, 贵州贵阳 550025;
2. 中国农业大学动物科学技术学院, 北京 100193;
3. 贵州省农业科学院畜牧兽医研究所, 贵州贵阳 550005;
4. 贵州省黄平县农业局, 贵州黄平 556100

通讯作者: 刘洪来
作者简介:杨丰（1988-），男，贵州思南人，硕士，主要从事草学方面的研究，E-mail：1067822310@qq.com
基金资助:
贵州大学大学生创新性实验计划项目（贵大创字（2011）070号）；贵州大学引进人才科研项目（贵大人基合字（2010）003号）；国家自然科学基金项目（31101751）；贵州省科技厅项目（黔科合NY字[2012]3011号）（黔科合NY[2012]3051号）（黔科合NY字[2009]3085号）；黔西南州种草养羊产业发展科技合作专项（黔西南科合[2011]8号）资助

Abstract

Abstract: The agricultural-pasturage ecotone of Guizhou Province containing linear cropland and grassland was chosen to investigate soil temperature. The depth of edge influence on the surface soil temperature (0~20 cm) of cultivated pasture-farmland landscape boundary was detected by moving split-window technique. Results showed that the soil temperature was abruptly changed in the boundary, whereas presented linear distribution in both cultivated pasture and cropland ecosystem. The average temperature of cropland was 1.08℃ higher than that of cultivated pasture. The depth of edge influence was 30 m, from 22 m in cultivated pasture to 8 m in cropland. These results provided a reference for the management of south ecotone and the mechanism study of matter migration between ecosystems.

Key words: Grassland-farmland Boundary, Soil Temperature, Moving Split- window technique, Influence depth

摘要： 以贵州人工草地-农田景观界面为研究对象，采用移动窗口法研究了人工草地-农田界面表层土壤（0~20 cm）温度影响域。结果表明：研究区人工草地-农田界面土壤温度在空间上是变化的，人工草地和农田系统之间存在着复合功能区（即界面影响域）；土壤温度在界面影响域变化剧烈，而在农田和草地区域基本上呈线性形状分布，农田生态系统土壤平均温度比草地高1.08℃。研究区土壤温度界面影响域为农田8 m，草地22 m，总宽度30 m，属渐变型界面。该研究结果可为南方生态交错区的科学管理和生态系统间物质运移机理的研究提供参考。

关键词: 农田-草地界面, 土壤温度, 移动窗口法, 影响宽度

CLC Number:

S161.2

YANG Feng, LIU Hong-lai, CHEN Chao, LI Lin, KONG De-shun, WU Wen-xuan, ZHAO Li-li, XIANG Jun. Edge Influence of Soil Temperature on Cultivated Pasture-Farmland Boundary in Guizhou Province[J]. , 2013, 21(6): 1080-1084.

杨丰, 刘洪来, 陈超, 黎琳, 孔德顺, 吴文旋, 赵丽丽, 向俊. 贵州人工草地-农田界面土壤温度影响域研究[J]. , 2013, 21(6): 1080-1084.

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Edge Influence of Soil Temperature on Cultivated Pasture-Farmland Boundary in Guizhou Province

贵州人工草地-农田界面土壤温度影响域研究

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