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DOI: 10.1371/journal.pone.0136344
Title:
Higher Trophic Levels Overwhelm Climate Change Impacts on Terrestrial Ecosystem Functioning
Author: Shannon L. Pelini; Audrey M. Maran; Angus R. Chen; Justine Kaseman; Thomas W. Crowther
Source Publication: PLOS ONE
ISSN: 1932-6203
Indexed By: SCI-E
Publishing Year: 2015
Date Published: 2015-8-20
Volume: 10, Issue:8
Language: 英语
Keyword: Mesocosms ; Invertebrates ; Forest ecology ; Food web structure ; Forests ; Climate change ; Physical geography ; Salamanders
Subject in Chinese: ; 排放物 ; 森林 ; 二氧化碳
Subject: CARBON ; EMISSIONS ; FORESTS ; CARBON DIOXIDE
English Abstract: Forest floor food webs play pivotal roles in carbon cycling, but they are rarely considered in models of carbon fluxes, including soil carbon dioxide emissions (respiration), under climatic warming. The indirect effects of invertebrates on heterotrophic (microbial and invertebrate) respiration through interactions with microbial communities are significant and will be altered by warming. However, the interactive effects of invertebrates and warming on heterotrophic respiration in the field are poorly understood. In this study we combined field and common garden laboratory approaches to examine relationships between warming, forest floor food web structure, and heterotrophic respiration. We found that soil animals can overwhelm the effects of warming (to 5 degrees Celsius above ambient) on heterotrophic respiration. In particular, the presence of higher trophic levels and burrowing detritivores strongly determined heterotrophic respiration rates in temperate forest soils. These effects were, however, context-dependent, with greater effects in a lower-latitude site. Without isolating and including the significant impact of invertebrates, climate models will be incomplete, hindering well-informed policy decisions.
Related Link: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0136344&type=printable
Citation statistics:
被引频次[WOS]:6   [查看WOS记录]     [查看WOS中相关记录]
Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/21851
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Affiliation: Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, 43403, United States of America;Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, 43403, United States of America;Harvard Forest, Harvard University, Petersham, MA, 01366, United States of America;Department of Biological Sciences, Bowling Green State University, Bowling Green, OH, 43403, United States of America;Harvard Forest, Harvard University, Petersham, MA, 01366, United States of America;School of Forestry and Environmental Studies, Yale University, New Haven, CT, 06511, United States of America

Recommended Citation:
Shannon L. Pelini,Audrey M. Maran,Angus R. Chen,et al. Higher Trophic Levels Overwhelm Climate Change Impacts on Terrestrial Ecosystem Functioning[J]. PLOS ONE,2015-01-01,10(8)
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