期刊
ECOLOGY LETTERS
卷 16, 期 8, 页码 1045-1053出版社
WILEY
DOI: 10.1111/ele.12137
关键词
Carbon dynamics; climate; litter C:N ratio; litter decomposition; litter quality; meta-analysis; soil fauna
类别
资金
- Spanish Ministerio de Educacion
- Colorado State University
- European Commission's FP7 Marie Curie IEF [DECOMFORECO-2011-299214]
- European Research Council under the European Community's Seventh Framework Programme [FP7/2007-2013]
- ERC [242658]
- National Science Foundation [0344834]
- DIVERSITAS
- IGBP
- Global Land Project
- UK-NERC
- FRB
- GIS
- Fulbright postdoctoral contract from the Spanish Ministerio de Educacion
- European Commission's FP7 Marie Curie IEF grant [DECOMFORECO-2011-299214]
- European Research Council under the European Community's Seventh Framework Programme/ERC [242658, (FP7/2007-2013)]
- Direct For Biological Sciences
- Division Of Environmental Biology [0344834] Funding Source: National Science Foundation
- European Research Council (ERC) [242658] Funding Source: European Research Council (ERC)
Climate and litter quality have been identified as major drivers of litter decomposition at large spatial scales. However, the role played by soil fauna remains largely unknown, despite its importance for litter fragmentation and microbial activity. We synthesised litterbag studies to quantify the effect sizes of soil fauna on litter decomposition rates at the global and biome scales, and to assess how climate, litter quality and soil fauna interact to determine such rates. Soil fauna consistently enhanced litter decomposition at both global and biome scales (average increment-27%). However, climate and litter quality differently modulated the effects of soil fauna on decomposition rates between biomes, from climate-driven biomes to those where climate effects were mediated by changes in litter quality. Our results advocate for the inclusion of biome-specific soil fauna effects on litter decomposition as a mean to reduce the unexplained variation in large-scale decomposition models.
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