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Technical note: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies

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Technical note: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies. / Keane, James Benjamin; Ineson, Philip.

In: Biogeosciences, Vol. 14, 13.03.2017, p. 1181-1187.

Research output: Contribution to journalArticle

Harvard

Keane, JB & Ineson, P 2017, 'Technical note: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies', Biogeosciences, vol. 14, pp. 1181-1187. https://doi.org/10.5194/bg-14-1181-2017

APA

Keane, J. B., & Ineson, P. (2017). Technical note: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies. Biogeosciences, 14, 1181-1187. https://doi.org/10.5194/bg-14-1181-2017

Vancouver

Keane JB, Ineson P. Technical note: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies. Biogeosciences. 2017 Mar 13;14:1181-1187. https://doi.org/10.5194/bg-14-1181-2017

Author

Keane, James Benjamin ; Ineson, Philip. / Technical note: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies. In: Biogeosciences. 2017 ; Vol. 14. pp. 1181-1187.

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@article{af51b5a3eeb3498b82ce63c4198dca84,
title = "Technical note:: Differences in the diurnal pattern of soil respiration under adjacent Miscanthus ×giganteus and barley crops reveal potential flaws in accepted sampling strategies",
abstract = "For convenience, measurements used to compare soil respiration (Rs) from different land uses, crops or management practices are often made between 09:00 and 16:00 UTC, convenience which is justified by an implicit assumptionthat Rs is largely controlled by temperature. Three months of continuous data presented here show distinctly different diurnal patterns of Rs between barley (Hordeum vulgare) and Miscanthus ×giganteus (Miscanthus) grown on adjacent fields. Maximum Rs in barley occurred during the afternoon and correlated with soil temperature, whereas in Miscanthus after an initial early evening decline, Rsincreased above the daily average during the night and in July maximum daily rates of Rs were seen at 22:00 and was significantly correlated with earlier levels of solar radiation, probably due to delays in translocation of recent photosynthate. Since the time of the daily mean Rs in Miscanthus occurredwhen Rs in the barley was 40 {\%} greater than the daily mean, it is vital to select appropriate times to measure Rs especially if only single daily measurements are to be made.",
author = "Keane, {James Benjamin} and Philip Ineson",
note = "{\circledC} Author(s) 2017.",
year = "2017",
month = "3",
day = "13",
doi = "10.5194/bg-14-1181-2017",
language = "English",
volume = "14",
pages = "1181--1187",
journal = "Biogeosciences",
issn = "1726-4170",
publisher = "European Geosciences Union",

}

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TY - JOUR

T1 - Technical note:

T2 - Biogeosciences

AU - Keane, James Benjamin

AU - Ineson, Philip

N1 - © Author(s) 2017.

PY - 2017/3/13

Y1 - 2017/3/13

N2 - For convenience, measurements used to compare soil respiration (Rs) from different land uses, crops or management practices are often made between 09:00 and 16:00 UTC, convenience which is justified by an implicit assumptionthat Rs is largely controlled by temperature. Three months of continuous data presented here show distinctly different diurnal patterns of Rs between barley (Hordeum vulgare) and Miscanthus ×giganteus (Miscanthus) grown on adjacent fields. Maximum Rs in barley occurred during the afternoon and correlated with soil temperature, whereas in Miscanthus after an initial early evening decline, Rsincreased above the daily average during the night and in July maximum daily rates of Rs were seen at 22:00 and was significantly correlated with earlier levels of solar radiation, probably due to delays in translocation of recent photosynthate. Since the time of the daily mean Rs in Miscanthus occurredwhen Rs in the barley was 40 % greater than the daily mean, it is vital to select appropriate times to measure Rs especially if only single daily measurements are to be made.

AB - For convenience, measurements used to compare soil respiration (Rs) from different land uses, crops or management practices are often made between 09:00 and 16:00 UTC, convenience which is justified by an implicit assumptionthat Rs is largely controlled by temperature. Three months of continuous data presented here show distinctly different diurnal patterns of Rs between barley (Hordeum vulgare) and Miscanthus ×giganteus (Miscanthus) grown on adjacent fields. Maximum Rs in barley occurred during the afternoon and correlated with soil temperature, whereas in Miscanthus after an initial early evening decline, Rsincreased above the daily average during the night and in July maximum daily rates of Rs were seen at 22:00 and was significantly correlated with earlier levels of solar radiation, probably due to delays in translocation of recent photosynthate. Since the time of the daily mean Rs in Miscanthus occurredwhen Rs in the barley was 40 % greater than the daily mean, it is vital to select appropriate times to measure Rs especially if only single daily measurements are to be made.

U2 - 10.5194/bg-14-1181-2017

DO - 10.5194/bg-14-1181-2017

M3 - Article

VL - 14

SP - 1181

EP - 1187

JO - Biogeosciences

JF - Biogeosciences

SN - 1726-4170

ER -