[1]李伟,潘丹丹,艾应伟,等.典型边坡对土壤酶活性的影响[J].水土保持研究,2011,18(05):275-277.
　LI Wei,PAN Dan-dan,AI Ying-wei,et al.Impacts of Slope Types on Soil Enzyme Activities[J].Research of Soil and Water Conservation,2011,18(05):275-277.
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典型边坡对土壤酶活性的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年05期 页码: 275-277 栏目: 出版日期: 2011-10-20
Title:
Impacts of Slope Types on Soil Enzyme Activities
作者:
李伟1, 潘丹丹2, 艾应伟2, 张志卿2, 郭培俊2, 徐建忠1, 曹洋1
1. 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调控重点实验室, 成都 610041;
2. 四川大学 生命科学学院, 成都 610064
Author(s):
LI Wei1, PAN Dan-dan2, AI Ying-wei2, ZHANG Zhi-qing2, GUO Pei-jun2, XU Jian-zhong1, CAO Yang1
1. Key Laboratory of Mountain Surface Process and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Ministry of Water Resources, Chengdu 610041, China;
2. College of Life Sciences, Sichuan University, Chengdu 610064, China
关键词:
铁路边坡; 土地利用; 土壤酶活性; 季节动态
Keywords:
railway slope; land use; soil enzyme activity; seasonal dynamics
分类号:
S154.1
摘要:
利用成都东部的典型边坡土壤作为研究材料，研究了自然边坡、铁路边坡和农田边坡等三种典型边坡土壤中蔗糖酶和脲酶活性及其季节变化。结果表明：这两种酶在铁路边坡和自然边坡中表现出相似的季节动态，最大活性出现在春秋两季，最小活性出现在冬季；农田边坡中两种酶均在春季呈现出最大活性，在秋季呈现出最小活性。土壤蔗糖酶和脲酶的活性均表现为：自然边坡>铁路边坡>农田，不同土地利用方式下，脲酶活性季节变化没有规律。分析结果显示：蔗糖酶和脲酶活性在三种不同的土地利用方式下的变化是显著的（P<0.05）。
Abstract:
This study is to investigate the activities of soil invertase and urease and their seasonal variation in different slopes in eastern Chengdu Plain. The results show that, in the natural slope and railway slope, the enzymes are the most active in spring and autumn and in the tillage slope, however, their highest activities occur in spring while the lowest in autumn. The activities of invertase and urease were in the order of natural slope>railway slope>tillage slope; and no regular seasonal variation occurs with different landuse types. We conclude that slope types have significant effect on activities of soil invertase and urease (P<0.05).

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备注/Memo

收稿日期:2011-1-25;修回日期:2011-3-28
基金项目:中国科学院“西部之光”计划项目；国家自然科学基金项目（40771087，40571064）；四川省科技支撑计划项目（07FG001-018）；四川省公益性研究项目（2008FG0006）
作者简介:李伟（1969- ），男，四川省南充人，副研究员，主要从事山地生态与环境方面的研究工作。E-mail：liwei@imde.ac.cn
通讯作者:艾应伟（1965- ）,男,四川省资中人，教授,博士,博导,主要从事环境生态方面的研究工作。E-mail：aiyw99@sohu.com

更新日期/Last Update: 1900-01-01