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Microbial diversity...
Microbial diversity declines in warmed tropical soil and respiration rise exceed predictions as communities adapt
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- Nottingham, Andrew T. (författare)
- Smithsonian Tropical Research Institute,University of Edinburgh,University of Leeds
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- Scott, Jarrod J. (författare)
- Smithsonian Tropical Research Institute
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- Saltonstall, Kristin (författare)
- Smithsonian Tropical Research Institute
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- Broders, Kirk (författare)
- USDA ARS National Center for Agricultural Utilization Research,Smithsonian Tropical Research Institute
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- Montero-Sanchez, Maria (författare)
- Smithsonian Tropical Research Institute
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- Püspök, Johann (författare)
- Smithsonian Tropical Research Institute
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- Bååth, Erland (författare)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Mikrobiologisk ekologi,Forskargrupper vid Lunds universitet,Centre for Environmental and Climate Science (CEC),Faculty of Science,Microbial Ecology,Lund University Research Groups
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- Meir, Patrick (författare)
- Australian National University,University of Edinburgh
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(creator_code:org_t)
- 2022-09-05
- 2022
- Engelska 11 s.
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Ingår i: Nature Microbiology. - : Springer Science and Business Media LLC. - 2058-5276. ; 7:10, s. 1650-1660
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Perturbation of soil microbial communities by rising temperatures could have important consequences for biodiversity and future climate, particularly in tropical forests where high biological diversity coincides with a vast store of soil carbon. We carried out a 2-year in situ soil warming experiment in a tropical forest in Panama and found large changes in the soil microbial community and its growth sensitivity, which did not fully explain observed large increases in CO2 emission. Microbial diversity, especially of bacteria, declined markedly with 3 to 8 °C warming, demonstrating a breakdown in the positive temperature-diversity relationship observed elsewhere. The microbial community composition shifted with warming, with many taxa no longer detected and others enriched, including thermophilic taxa. This community shift resulted in community adaptation of growth to warmer temperatures, which we used to predict changes in soil CO2 emissions. However, the in situ CO2 emissions exceeded our model predictions threefold, potentially driven by abiotic acceleration of enzymatic activity. Our results suggest that warming of tropical forests will have rapid, detrimental consequences both for soil microbial biodiversity and future climate.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
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