生物炭
固碳
生物地球化学
生态系统
生物量(生态学)
环境科学
生态系统工程师
陆地生态系统
化学
营养循环
生态学
土壤生物学
土壤健康
生态系统服务
土壤水分
农林复合经营
土壤有机质
生物
有机化学
热解
二氧化碳
作者
Daniel D. Warnock,Johannes Lehmann,Thomas W. Kuyper,Matthias C. Rillig
出处
期刊:Plant and Soil
[Springer Nature]
日期:2007-09-19
卷期号:300 (1-2): 9-20
被引量:1020
标识
DOI:10.1007/s11104-007-9391-5
摘要
Experiments suggest that biomass-derived black carbon (biochar) affects microbial populations and soil biogeochemistry. Both biochar and mycor- rhizal associations, ubiquitous symbioses in terrestrial ecosystems, are potentially important in various ecosystem services provided by soils, contributing to sustainable plant production, ecosystem restoration, and soil carbon sequestration and hence mitigation of global climate change. As both biochar and mycor- rhizal associations are subject to management, under- standing and exploiting interactions between them could be advantageous. Here we focus on biochar effects on mycorrhizal associations. After reviewing the experimental evidence for such effects, we critically examine hypotheses pertaining to four mechanisms by which biochar could influence mycorrhizal abundance and/or functioning. These mechanisms are (in decreas- ing order of currently available evidence supporting them): (a) alteration of soil physico-chemical proper- ties; (b) indirect effects on mycorrhizae through effects on other soil microbes; (c) plant-fungus signaling interference and detoxification of allelochemicals on biochar; and (d) provision of refugia from fungal grazers. We provide a roadmap for research aimed at testing these mechanistic hypotheses.
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