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当前位置: 首页 > 文章 > 不同恢复方式下二郎山公路创面土壤酶活性与土壤肥力变化特征 四川林业科技 2020 (1) 19-26
Position: Home > Articles > Changes in Soil Enzyme Activity and Soil Fertility of the Erlang Mountain Highway Wounds by use of Different Restoration Methods Journal of Sichuan Forestry Science and Technology 2020 (1) 19-26

不同恢复方式下二郎山公路创面土壤酶活性与土壤肥力变化特征

作  者：
郝云庆;易津鑫;郑文丽;李文俊;吴军佑;李伟
单  位：
中国科学院水利部成都山地灾害与环境研究所山地表生过程与生态调控重点实验室;成都信息工程大学资源环境学院
关键词：
公路边坡;土壤酶活性;土壤肥力;人工恢复;自然恢复;西南山区
摘  要：
为探究西南山区人工恢复与自然恢复对公路边坡土壤酶活性与土壤肥力的影响,通过野外采样结合室内实验分析,针对不同恢复方式下研究区的8个点进行了采样分析。结果表明:不同恢复方式下脲酶、蛋白酶、磷酸酶、蔗糖酶活性变化较大,过氧化氢酶活性变化较小;土壤肥力的各个指标与土壤5种酶活性之间均存在显著相关性;在人工恢复方式下,8种土壤肥力因子与土壤酶活性存在负相关性较正相关性明显,在自然恢复方式下,除全钾、硝态氮因子与土壤酶活性的相关关系较小外,其余影响因子相关关系较大,全钾与土壤酶活性存在负相关性,其余环境因子与土壤酶活性存在正相关性。
译  名：
Changes in Soil Enzyme Activity and Soil Fertility of the Erlang Mountain Highway Wounds by use of Different Restoration Methods
作  者：
HAO Yunqing;YI Jinxin;ZHENG Wenli;LI Wenjun;WU Junyou;LI Wei;College of Resources and Environment, Chengdu University of Information Technology;Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources;
关键词：
Highway slope;;Soil enzyme activity;;Soil fertility;;Artificial restoration;;Natural restoration;;Southwest mountain Area
摘  要：
In order to explore the effects of artificial restoration and natural restoration on soil enzyme activity and soil fertility of highway slopes in southwest mountainous areas, field sampling and laboratory experimental analysis were conducted. In the study areas, eight points were selected and treated by use of different restoration modes. The maximum difference of urease activity by use of different restoration modes had a positive feedback effect on urease activity at most sampling sites by use of natural restoration modes. By use of the natural recovery mode, the urease activity of most sampling sites had a positive feedback effect. The phosphatase activity by use of artificial restoration was lower than that by use of natural restoration. Compared with the other four soil enzyme activities, catalase activity was less affected by different restoration methods. There was a significant correlation between soil fertility indicators and soil enzyme activity by use of any restoration mode. By use of the artificial restoration mode, the negative correlation between eight soil fertility factors and soil enzyme activity was more obvious than the positive correlation.By use of the natural restoration mode, except that the correlation between total potassium and nitrate factors and soil enzyme activity was small, the correlation between other factors was large. Total potassium had a negative correlation with soil enzyme activity, while the other environmental factors had a positive correlation with soil enzyme activity.

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