2007
DOI: 10.1093/treephys/27.5.749
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No diurnal variation in rate or carbon isotope composition of soil respiration in a boreal forest

Abstract: Characterization of soil respiration rates and delta(13)C values of soil-respired CO(2) are often based on measurements at a particular time of day. A study by Gower et al. (2001) in a boreal forest demonstrated diurnal patterns of soil CO(2) flux using transparent measurement chambers that included the understory vegetation. It is unclear whether these diurnal patterns were solely the result of photosynthetic CO(2) uptake during the day by the understory or whether there were underlying trends in soil respira… Show more

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Cited by 43 publications
(42 citation statements)
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“…grasslands (Dudziak and Halas, 1996;Bahn et al, 2009), forests (Kodama et al, 2008;Fig. 1a, Marron et al, 2009), Mediterranean woodlands (Maseyk et al, 2009;Unger et al, 2010a, b; K. P. Tu and T. E. Dawson, unpublished data), and agricultural systems , while nonsignificant diel variations were detected in a boreal forest (Betson et al, 2007) (Table 2). A highly variable range in soil δ 13 C R of 0.3-12.5 ‰ occurred in an experimental garden with deciduous trees (Moyes et al, 2010).…”
Section: New Methodological Developments In High Time-resolved Measurmentioning
confidence: 97%
See 1 more Smart Citation
“…grasslands (Dudziak and Halas, 1996;Bahn et al, 2009), forests (Kodama et al, 2008;Fig. 1a, Marron et al, 2009), Mediterranean woodlands (Maseyk et al, 2009;Unger et al, 2010a, b; K. P. Tu and T. E. Dawson, unpublished data), and agricultural systems , while nonsignificant diel variations were detected in a boreal forest (Betson et al, 2007) (Table 2). A highly variable range in soil δ 13 C R of 0.3-12.5 ‰ occurred in an experimental garden with deciduous trees (Moyes et al, 2010).…”
Section: New Methodological Developments In High Time-resolved Measurmentioning
confidence: 97%
“…Consequently, the diel cycle of δ 13 C in organic matter in trunks and stems of trees is mainly dependent on the position along the trunk and dampening as well as time lags have been observed (Keitel et al, 2003;Brandes et al, 2006Brandes et al, , 2007. At the tree trunk base often no diel variation in phloem sugar δ 13 C was present Kodama et al, 2008;Betson et al, 2007;Rascher et al, 2010) whereas strong diel variations in δ 13 C res are generally observed (Kodama et al, 2008;Maunoury et al, 2007). They thus cannot be explained by variation in substrate δ 13 C (Fig.…”
Section: M13: Isotope Fractionation During Carbon Transportmentioning
confidence: 98%
“…This type of work, which has been undertaken in both forest and grassland systems, has utilised both natural abundance [9][10][11][12] and 13 C tracers. [13,14] Similarly, d…”
mentioning
confidence: 99%
“…Yan et al (2009) reported that there were no significantly differences in R s between daytime and nighttime in Dinghushan area in China, although ST varied significantly through the day in different forest types and all seasons. Betson et al (2007) also found no diurnal patterns in R S rate in a boreal Picea abies L. Karst. forest in northern Sweden, despite substantial variations in climatic conditions and shoot photographic rates.…”
Section: Diurnal Variation Of Soil Respirationmentioning
confidence: 80%