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dc.contributor.author
Fritz, Christian
dc.contributor.author
Pancotto, Veronica Andrea
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dc.contributor.author
Elzenga, Josephus T. M.
dc.contributor.author
Visser, Eric J. W.
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Grootjans, Ab P.
dc.contributor.author
Pol, Arjan
dc.contributor.author
Iturraspe, Rodolfo Javier
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dc.contributor.author
Roelofs, Jan G. M.
dc.contributor.author
Smolders, Alfons J.
dc.date.available
2017-02-07T20:58:05Z
dc.date.issued
2011-04
dc.identifier.citation
Fritz, Christian ; Pancotto, Veronica Andrea; Elzenga, Josephus T. M.; Visser, Eric J. W.; Grootjans, Ab P.; et al.; Zero methane emission bogs: extreme rhizosphere oxygenation by cushion plants in Patagonia; Wiley; New Phytologist; 190; 2; 4-2011; 398-408
dc.identifier.issn
0028-646X
dc.identifier.uri
http://hdl.handle.net/11336/12700
dc.description.abstract
•Vascular wetland plants may substantially increase methane emissions by producing root exudates and easily degradable litter, and by providing a low-resistance diffusion pathway via their aerenchyma. However, model studies have indicated that vascular plants can reduce methane emission when soil oxygen demand is exceeded by oxygen released from roots. Here, we tested whether these conditions occur in bogs dominated by cushion plants.
•Root–methane interactions were studied by comparing methane emissions, stock and oxygen availability in depth profiles below lawns of either cushion plants or Sphagnum mosses in Patagonia.
•Cushion plants, Astelia pumila and Donatia fascicularis, formed extensive root systems up to 120 cm in depth. The cold soil (< 10°C) and highly decomposed peat resulted in low microbial activity and oxygen consumption. In cushion plant lawns, high soil oxygen coincided with high root densities, but methane emissions were absent. In Sphagnum lawns, methane emissions were substantial. High methane concentrations were only found in soils without cushion plant roots.
•This first methane study in Patagonian bog vegetation reveals lower emissions than expected. We conclude that cushion plants are capable of reducing methane emission on an ecosystem scale by thorough soil and methane oxidation.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Cushion Plants
dc.subject
Methane
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Nutrient
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Patagonia
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Rhizosphere
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Oxygenation
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Root
dc.subject
Sphagnum
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Wetland
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Zero methane emission bogs: extreme rhizosphere oxygenation by cushion plants in Patagonia
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-02-07T18:01:13Z
dc.journal.volume
190
dc.journal.number
2
dc.journal.pagination
398-408
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Fritz, Christian . Radboud Universiteit Nijmegen; Países Bajos. University of Groningen; Países Bajos
dc.description.fil
Fil: Pancotto, Veronica Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Elzenga, Josephus T. M.. University of Groningen; Países Bajos
dc.description.fil
Fil: Visser, Eric J. W.. Radboud Universiteit Nijmegen; Países Bajos
dc.description.fil
Fil: Grootjans, Ab P.. University of Groningen; Países Bajos
dc.description.fil
Fil: Pol, Arjan. Radboud Universiteit Nijmegen; Países Bajos
dc.description.fil
Fil: Iturraspe, Rodolfo Javier. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Roelofs, Jan G. M.. Radboud Universiteit Nijmegen; Países Bajos
dc.description.fil
Fil: Smolders, Alfons J.. Radboud Universiteit Nijmegen; Países Bajos
dc.journal.title
New Phytologist
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2010.03604.x/abstract
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/j.1469-8137.2010.03604.x
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