整合分析氮磷添加对土壤酶活性的影响

doi:10.13287/j.1001-9332.201804.024

应用生态学报 ›› 2018, Vol. 29 ›› Issue (4): 1266-1272.doi: 10.13287/j.1001-9332.201804.024

整合分析氮磷添加对土壤酶活性的影响

范珍珍^1,2, 王鑫^1,2, 王超^1*, 白娥¹

¹中国科学院沈阳应用生态研究所森林生态与管理重点实验室, 沈阳 110016;
²中国科学院大学, 北京 100049;

收稿日期:2017-08-06 出版日期:2018-04-18 发布日期:2018-04-18
通讯作者: * E-mail: cwang@iae.ac.cn
作者简介:范珍珍,女,1992年生,硕士研究生.主要从事土壤氮循环及全球氮沉降下土壤生物地球化学循环研究. E-mail: zhzhfan2016@163.com
基金资助:
本文由国家重点基础研究发展计划项目(2014CB954400)和国家自然科学基金项目(41601255)资助

Effect of nitrogen and phosphorus addition on soil enzyme activities: A meta-analysis

FAN Zhen-zhen^1,2, WANG Xin^1,2, WANG Chao^1*, BAI E¹

¹Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
²University of Chinese Academy of Sciences, Beijing 100049, China;

Received:2017-08-06 Online:2018-04-18 Published:2018-04-18
Contact: * E-mail: cwang@iae.ac.cn
Supported by:
This work was supported by the Major State Basic Research Development Program of China (2014CB954400) and the National Natural Science Foundation of China (41601255).

摘要/Abstract

摘要： 本文通过整合分析(Meta-analysis)的方法分析了氮、磷添加对土壤碳、氮和磷素循环水解酶以及土壤氧化酶活性的影响.结果表明: 氮添加显著增加了碳、氮和磷循环水解酶的活性,增幅分别为6.9%、5.6%和10.7%;与氮添加相比,在氮磷同时添加下,3类土壤酶的活性增加更为显著,增幅分别达13.4%、37.4%和13.3%.然而,对于土壤氧化酶,氮以及氮磷的添加都使其活性降低,分别降低了6.1%和0.4%.不同生态系统类型、氮肥类型、施肥速率和施肥试验时间都对土壤酶活性具有影响.在全球大气氮沉降与磷添加逐渐增加的背景下,土壤微生物活性和酶的变化将会对土壤生物地球化学循环过程和土壤生态系统功能产生重要影响.

Abstract: We conducted a meta-analysis to analyze the effects of nitrogen (N) and combined N and phosphorus (N+P) addition on soil enzyme activities, which being involved in soil carbon (C), N, and P cycles as well as oxidative processes. Nitrogen addition significantly increased the activities of soil C acquisition enzymes, N acquisition enzymes, and P acquisition enzymes by 6.9%, 5.6% and 10.7%, respectively, while the enhancement was much stronger under N+P treatment with 13.4%, 37.4% and 13.3%, respectively. In contrast, both N addition and N+P addition decreased the activities of oxidative enzymes by 6.1% and 0.4%, respectively. The effect sizes of N and N+P addition on soil enzyme activities varied with ecosystem types, N fertilizer types, N addition rates, and the duration of fertilization experiments. Our results suggested that the changes in soil microbes and their enzymes under increasing N deposition and P addition would have profound impacts on soil biogeochemical processes and functions.

范珍珍, 王鑫, 王超, 白娥. 整合分析氮磷添加对土壤酶活性的影响[J]. 应用生态学报, 2018, 29(4): 1266-1272.

FAN Zhen-zhen, WANG Xin, WANG Chao, BAI E. Effect of nitrogen and phosphorus addition on soil enzyme activities: A meta-analysis[J]. Chinese Journal of Applied Ecology, 2018, 29(4): 1266-1272.

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整合分析氮磷添加对土壤酶活性的影响

Effect of nitrogen and phosphorus addition on soil enzyme activities: A meta-analysis

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