Phosphorus cycling in deciduous forest soil differs between stands dominated by ecto- and arbuscular mycorrhizal trees

© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1990. - 209(2016), 3 vom: 01. Feb., Seite 1184-95
1. Verfasser: Rosling, Anna (VerfasserIn)
Weitere Verfasser: Midgley, Meghan G, Cheeke, Tanya, Urbina, Hector, Fransson, Petra, Phillips, Richard P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't deciduous forest ectomycorrhizal (ECM) fungi mycorrhiza phosphorus (P) cycling soil Soil Phosphorus 27YLU75U4W
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500 |a CommentIn: New Phytol. 2016 Feb;209(3):894-5. doi: 10.1111/nph.13783. - PMID 26756530 
500 |a Citation Status MEDLINE 
520 |a © 2015 The Authors. New Phytologist © 2015 New Phytologist Trust. 
520 |a Although much is known about how trees and their associated microbes influence nitrogen cycling in temperate forest soils, less is known about biotic controls over phosphorus (P) cycling. Given that mycorrhizal fungi are instrumental for P acquisition and that the two dominant associations - arbuscular mycorrhizal (AM) and ectomycorrhizal (ECM) fungi - possess different strategies for acquiring P, we hypothesized that P cycling would differ in stands dominated by trees associated with AM vs ECM fungi. We quantified soil solution P, microbial biomass P, and sequentially extracted inorganic and organic P pools from May to November in plots dominated by trees forming either AM or ECM associations in south-central Indiana, USA. Overall, fungal communities in AM and ECM plots were functionally different and soils exhibited fundamental differences in P cycling. Organic forms of P were more available in ECM plots than in AM plots. Yet inorganic P decreased and organic P accumulated over the growing season in both ECM and AM plots, resulting in increasingly P-limited microbial biomass. Collectively, our results suggest that P cycling in hardwood forests is strongly influenced by biotic processes in soil and that these are driven by plant-associated fungal communities 
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650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a deciduous forest 
650 4 |a ectomycorrhizal (ECM) fungi 
650 4 |a mycorrhiza 
650 4 |a phosphorus (P) cycling 
650 4 |a soil 
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700 1 |a Midgley, Meghan G  |e verfasserin  |4 aut 
700 1 |a Cheeke, Tanya  |e verfasserin  |4 aut 
700 1 |a Urbina, Hector  |e verfasserin  |4 aut 
700 1 |a Fransson, Petra  |e verfasserin  |4 aut 
700 1 |a Phillips, Richard P  |e verfasserin  |4 aut 
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