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|a pubmed24n0511.xml
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|a (DE-627)NLM153262052
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|a (NLM)15666448
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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 McBain, M C
|e verfasserin
|4 aut
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|a Laboratory-scale measurements of N2O and CH4 emissions from hybrid poplars (Populus deltoides x Populus nigra)
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 17.03.2005
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|a Date Revised 16.11.2017
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|a published: Print
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|a Citation Status MEDLINE
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|a The purpose of this study was to determine whether or not young hybrid poplar (Populus deltoides x Populus nigra) could transport landfill biogas internally from the root zone to the atmosphere, thereby acting as conduits for landfill gas release. Fluxes of methane (CH4) and nitrous oxide (N2O) from the seedlings to the atmosphere were measured under controlled conditions using dynamic flux chambers and a tunable diode laser trace gas analyser (TDLTGA). Nitrous oxide was emitted from the seedlings, but only when extremely high soil N2O concentrations were applied to the root zone. In contrast, no detectable emissions of CH4 were measured in a similar experimental trial. Visible plant morphological responses, characteristic of flood-tolerant trees attempting to cope with the negative effects of soil hypoxia, were observed during the CH4 experiments. Leaf chlorosis, leaf abscission and adventitious roots were all visible plant responses. In addition, seedling survival was observed to be highest in the biogas 'hot spot' areas of a local municipal solid waste landfill involved in this study. Based on the available literature, these observations suggest that CH4 can be transported internally by Populus deltoides x Populus nigra seedlings in trace amounts, although future research is required to fully test this hypothesis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Air Pollutants
|2 NLM
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|a Soil
|2 NLM
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|a Nitrous Oxide
|2 NLM
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|a K50XQU1029
|2 NLM
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|a Methane
|2 NLM
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|a OP0UW79H66
|2 NLM
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|a Warland, J S
|e verfasserin
|4 aut
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|a McBride, R A
|e verfasserin
|4 aut
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|a Wagner-Riddle, C
|e verfasserin
|4 aut
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 22(2004), 6 vom: 01. Dez., Seite 454-65
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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|g volume:22
|g year:2004
|g number:6
|g day:01
|g month:12
|g pages:454-65
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|d 22
|j 2004
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|h 454-65
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