干湿交替对土壤有机碳矿化影响的研究进展

被引：24

作者：

张梦瑶 ^{[1
,2
]}

高永恒 ^{[1
]}

谢青琰 ^{[1
,2
]}

机构：

[1] 中国科学院水利部成都山地灾害与环境研究所

[2] 中国科学院大学资源与环境学院

来源：

世界科技研究与发展 | 2017年 / 39卷 / 01期

关键词：

干湿交替; 土壤有机碳矿化; 土壤团聚体; 微生物活性; 全球变化;

D O I：

10.16507/j.issn.1006-6055.2017.02.001

中图分类号：

S153.6 [土壤成分];

学科分类号：

090301 [土壤学];

摘要：

全球气候变化正在改变全球的降水格局,未来干旱和暴雨事件将会增多,进而加速土壤干湿交替现象的发生。土壤有机碳作为生态系统中最主要的碳贮存形态,很可能在干湿交替作用下发生改变。本文综述了近年来国内外有关土壤有机碳对干湿交替响应的研究,并从土壤结构和微生物活性变化两个方面阐述了干湿交替作用下土壤有机碳矿化的响应机理,最后分析了目前研究存在的不足与局限性,提出今后干湿交替条件下土壤有机碳矿化的研究方向及发展趋势,以便为全球变化背景下的土壤生态系统有机碳循环的预测和管理提供参考依据。

引用

页码：17 / 23

页数：7

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