模块沙障对土壤微生物和酶活性变化的影响

doi:10.3981/j.issn.1000-7857.2014.10.010

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摘要按照生态系统组成特征，在流动沙地人工构建了集防风固沙、局部土壤改良和植被恢复3 大功能于一体的模块沙障。为掌握模块沙障对局部土壤生物特性的影响程度，测定了土微生物含量和土壤酶活性，研究设置了5 年后的模块沙障内部及其对周边土壤微生物数量和土壤酶活性变化的影响。结果表明，模块沙障内部土壤3 大微生物总量比对照样地0~10 cm 土层高1.91倍，细菌、真菌和放线菌含量分别比对照样地高1.33 倍、1.76 倍和2.83 倍，蔗糖酶和脲酶活性分别比对照样地增加2.47 倍和67.64%；模块沙障覆盖下0~10 cm 土层土壤微生物总量比对照样地0~10 cm 土层高1.22 倍，细菌、真菌和放线菌含量分别增加0.83 倍、0.87 倍和2.14 倍，蔗糖酶和脲酶的活性分别比对照样地增加2.01 倍和29.41%。此外，模块沙障及其内部填充基质能够通过降雨淋溶、填充基质扩散等作用有效的改善沙障迎风侧或背风侧70 cm 范围内土壤微生物含量和蔗糖酶、脲酶活性，实现了“肥岛作用“改善土壤的生物化学特征。

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	闫德仁
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关键词 ：流动沙地, 模块沙障, 微生物, 酶活性, 肥岛作用

Abstract：According to the composition characteristics of the ecosystem, a module sand barrier has been artificially constructed on moving sandy dune, which integrates sand fixation, partial soil improvement and vegetation restoration. To understand the influence of the module sand barrier on the biological characteristics of soil, soil microorganism amount and enzyme activity have been measured, and the variation of them inside and around the module sand barrier has been studied after construction for five years. The results show that inside the module sand barrier, the total amount of soil microorganisms was 1.91 times that of the one at 0-10 cm layer in the control plot, the amount of bacteria, fungi and actinomycetes were 0.83 times, 0.87 times and 2.14 times higher than those in the control plot, and the sucrase and urease activities were increased by 2.01 times and 29.41% than those in the control plot. Moreover, the artificially constructed module sand barrier and its internal filling matrix can improve the soil microorganism amount, sucrase and urease activities during 0 to 70 cm of the windward side or leeward side of the module sand barrier, and the formed fertility island effect can improve the biochemical characteristics of the soil.

Key words： moving sandy land module sand barrier microorganism enzyme activity fertility island effect

收稿日期: 2014-01-02

ZTFLH:	S157.1
	S288

基金资助:国家“十二五”科技支撑计划项目（2012BAD16B0204）；国家林业局948项目（2012-4-72）

作者简介: 闫德仁，研究员，研究方向为荒漠化防治，电子信箱：nmglkyydr@163.com

引用本文:

闫德仁, 袁立敏, 胡小龙, 黄海广. 模块沙障对土壤微生物和酶活性变化的影响[J]. 科技导报, 2014, 32(10): 57-62.
YAN Deren, YUAN Limin, HU Xiaolong, HUANG Haiguang. Influence of Module Sand Barrier on Soil Microorganisms and Enzyme Activity. journal1, 2014, 32(10): 57-62.

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http://www.kjdb.org/CN/10.3981/j.issn.1000-7857.2014.10.010 或 http://www.kjdb.org/CN/Y2014/V32/I10/57

[1] 高永, 邱国玉, 丁国栋, 等. 沙柳沙障的防风固沙效益研究[J]. 中国沙漠, 2004, 24(3): 365-370. Gao Yong, Qiu Guoyu, Ding Guodong, et al. Effect of salix psammophila checkerboardon reducing wind and stabilizing sand[J]. Journal of Desert Research, 2004, 24(3): 365-37.
[2] 董治宝, Fryrear D W, 高尚玉. 直立植物防沙措施粗糙特征的模拟实验[J]. 中国沙漠, 2000, 20(3): 260-263. Dong Zhibo, Fryrear D W, Gao Shangyu. Modeling the roughness effect of blown-sand-controlling standing vegetation in wind tunnel[J]. Journal of Desert Research, 2000, 20(3): 260-263.
[3] 屈建军, 刘贤万, 雷加强, 等. 尼龙网栅栏防沙效应的风洞模拟实验[J]. 中国沙漠, 2001, 21(3): 276-280. Qu Jianjun, Liu Xianwan, Lei Jiaqiang, et al. Simulation experiments on sand arresting effect of nylon net fence in wind tunnel[J]. Journal of Desert Research, 2001, 21(3): 276-280.
[4] 常兆丰, 仲生年, 韩福贵, 等. 粘土沙障及麦草沙障合理间距的调查研究[J].中国沙漠, 2000, 20(4): 455-457. Chang Zhaonian, Zhong Shengnian, Han Fugui, et al. Research of the suitable row spacing on clay barriers and straw barriers[J]. Journal of Desert Research, 2000, 20(4): 455-457.
[5] 屈建军, 凌裕泉, 俎瑞平, 等. 半隐蔽格状沙障的综合防护效益观测研究[J].中国沙漠, 2005, 25(3): 330-335. Qu Jianjun, Ling Yuquan, Zu Ruiping, et al. Study on comprehensive sand-protecting efficiency of semi-buried checkerboard sand-barriers[J]. Journal of Desert Research, 2005, 25(3): 330-335.
[6] 袁立敏, 高永, 虞毅, 等. PLA沙障对土壤硬度的影响[J]. 中国水土保持科学, 2010, 8(4): 90-94. Yuan Limin, Gao Yong, Yu Yi, et al. Research on the effect of PLA sand barrier on soil hardness[J] Science of Soil and Water Conservation of China, 2010, 8(4): 90-94.
[7] 李锦荣, 孙保平, 高永, 等. 基于空气动力学的沙袋沙障气流场模拟[J]. 北京理工大学学报, 2010, 30(6): 749-752. Li Jinrong, Sun Baoping,Gao Yon, et al. Simulation of sand-bag barrier wind flow field based on aerodynamics[J]. Transactions of Beijing Institute of Technology, 2010, 30(6): 749-752
[8] 中国科学院南京土壤研究所微生物室. 土壤微生物研究法[M]. 北京: 科学出版社, 1985: 33-70. Nanjing Institute of Microbiology Laboratory of Soil Science of Chinese Academy of Sciences. Study of soil microorganisms[M]. Beijing: Science Press, 1985: 33-70.
[9] 关松荫. 土壤酶及其研究法[M]. 北京: 农业出版社, 1986: 16-69. Guan Songyin. Soil enzyme and its research methods[M]. Beijing: Agricultural Press, 1986: 16-69.
[10] 闫德仁, 刘永军, 王晶莹, 等. 落叶松人工林土壤肥力与微生物含量的研究[J]. 东北林业大学学报, 1996, 24(3): 46-50. Yan Deren, Liu Yong jun, Wang Jin ying, et al. Study on the soil fertility and the microorganism content of pure larch plantations[J]. Journal of Notheast Forestry Unversity, 1996, 24(3): 46-50.
[11] 安长伟, 施丽阳, 李辉, 等. 康平沙地治理过程中土壤微生物数量与土壤肥力的关系[J]. 科技导报, 2010, 28(7): 45-49. An Changwei, Shi Liyang, Li Hui, et al. The relationship between soil microorganism and soil fertility in the process of transforming kangping's desertification[J]. Science & Technology Review, 2010, 28 (7): 45-49.
[12] 邝哲师, 黄小光, 叶明强, 等. 利用甜玉米秸秆和玉米芯发酵生产纤维素酶的研究[J]. 广东饲料, 2009, 18(2): 34-35. Kuang Zheshi, Huang Xiaoguang, Ye Mingqiang, et al. Study of sweet corn straw and corn cob cellulase production by fermentation[J]. Guangdong Feed, 2009, 18(2): 34-35.
[13] 汪方, 汪炜. 我国秸秆资源开发利用综述[J]. 资源开发与市场. 2008, 24(11): 1009-1012. Wang Fang, Wang Wei. Review of development and utilization of straw resources in China[J]. Resource Development & Market, 2008, 24 (11): 1009-1012.
[14] 孟杰, 王宏燕, 李涛. 生物表面活性剂混合纤维素分解菌分解秸秆的研究[J].东北农业大学学报, 2011, 42(2): 97-103. Meng Jie, Wang Hongyan, Li Tao. Research of bio-surfactants and cellulose-decomposing bacteria mixture fertilizers in straw decomposition[J]. Journal of Northeast Agricultural University, 2011, 42(2): 97-103.
[15] 黄昌勇. 土壤学[M]. 北京: 中国农业出版社, 2000: 100-118. Huang Changyong. Soil science[M].Beijing: Chinese Agricultural Press, 2000: 100-118.