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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16321
|2 doi
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|a pubmed25n1142.xml
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|a (NLM)35770362
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Sridhar, Bhavya
|e verfasserin
|4 aut
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| 245 |
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|a Microbial community shifts correspond with suppression of decomposition 25 years after liming of acidic forest soils
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 16.08.2022
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|a Date Revised 26.09.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 John Wiley & Sons Ltd.
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|a Microbial community structure and function regularly covary with soil pH, yet effects of these interactions on soil carbon are rarely tested experimentally within natural ecosystems. We investigated the enduring (25 year) impacts of liming on microbial community structure and decomposition at an acidic northern hardwood forest, where experimental liming increased pH one unit and surprisingly doubled the organic carbon stocks of the forest floor. We show that this increase in carbon storage corresponded with restructuring of the bacterial and fungal communities that drive decomposition. In the Oe horizon, liming reduced the activities of five extracellular enzymes that mediate decomposition, while the Oa horizon showed an especially large (64%) reduction in the activity of a sixth, peroxidase, which is an oxidative enzyme central to lignocellulose degradation. Decreased enzyme activities corresponded with loss of microbial taxa important for lignocellulose decay, including large reductions in the dominant ectomycorrhizal genera Russula and Cenococcum, saprotrophic and wood decaying fungi, and Actinobacteria (Thermomonosporaceae). These results demonstrate the importance of pH as a dominant regulator of microbial community structure and illustrate how changes to this structure can produce large, otherwise unexpected increases in carbon storage in forest soils
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|a Journal Article
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|a decomposition enzymes
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|a ectomycorrhizae
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| 650 |
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|a lignocellulose decay
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| 650 |
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|a microbial ecology
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| 650 |
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|a soil carbon
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|a soil pH
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| 650 |
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|a Soil
|2 NLM
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|a Carbon
|2 NLM
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| 650 |
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|a 7440-44-0
|2 NLM
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| 700 |
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|a Wilhelm, Roland C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Debenport, Spencer J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fahey, Timothy J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Buckley, Daniel H
|e verfasserin
|4 aut
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| 700 |
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|a Goodale, Christine L
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 28(2022), 18 vom: 30. Sept., Seite 5399-5415
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnas
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| 773 |
1 |
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|g volume:28
|g year:2022
|g number:18
|g day:30
|g month:09
|g pages:5399-5415
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|u http://dx.doi.org/10.1111/gcb.16321
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