Direct and indirect effects of shifting rainfall on soil microbial respiration and enzyme activity in a semi-arid system

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• 作者：Ellen H. Esch ; David Lipson ; Elsa E. Cleland
• 关键词：Chaparral ; Exotic species ; Extracellular enzyme activity ; Microbial acclimation ; Microbial biomass ; Microbial respiration
• 刊名：Plant and Soil
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：411
• 期：1-2
• 页码：333-346
• 全文大小：
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Plant Sciences; Soil Science & Conservation; Plant Physiology; Ecology;
• 出版者：Springer International Publishing
• ISSN：1573-5036
• 卷排序：411

文摘

Background and aimsHigher interannual precipitation variability is predicted for Southern California’s shrub-dominated systems, promoting soil moisture variation and changing community composition. We asked if soil microbial responses to rainfall regime will depend on litter inputs; showing direct effects of altered precipitation through soil moisture and indirect effects resulting from shifting litter inputs.