Carbon balance in the soils of abandoned lands in Moscow region

Kurganova, I. N.; Yermolaev, A. M.; Gerenyu, V. O. Lopes de; Ларионова, А. А.; Kuzyakov, Yakov; Keller, Thomas; Lange, Sébastien F.

doi:10.1134/s1064229307010085

Cited by 36 publications

(18 citation statements)

References 17 publications

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“…The initial C accumulation rates are within the range previously reported for young soils: 0.8-1.1 g C kg −1 soil year −1 for soils developed under deciduous forests and 0.3-1.5 g C kg −1 soil year −1 under coniferous forests (Vesterdal et al 2008). Our results (for the C accumulation in forest soils) were higher than the C accumulation rate in arable soils that were converted to abandoned meadow, where 0.2 g C kg −1 soil year −1 accumulated over 25 years (Kurganova et al 2007).…”

Section: Effect Of Vegetation On Total C and N Contentscontrasting

confidence: 53%

Effect of plant communities on aggregate composition and organic matter stabilisation in young soils

et al. 2014

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Objectives Carbon (C) content in pools of very young soils that developed during 45 years from loess was analysed in relation to vegetation: deciduous and coniferous forests and cropland. We hypothesised that variations in the amount of particulate organic matter (POM) can explain the C accumulation and also affects the C bound to mineral surfaces in soil under various vegetation.Methods Soil samples were collected under three vegetation types of a 45-year-old experiment focused on initial soil development. Aggregate and density fractionations were combined to analyse C accumulation in large and small macro-and microaggregates as well as in free and occluded POM and mineral factions. Results Deciduous forest soil accumulated the highest C content in the 0-5 cm layer (43 g C kg −1 ), whereas values in coniferous forest and arable soils were lower (30 and 12 g C kg −1 , respectively). The highest portion of C in arable soil was accumulated in the mineral fraction (80 %), whereas 50-60 % of the C in forest soils were in POM. More C was associated with minerals in deciduous forest soil (16 g C kg −1 soil) than under coniferous forest and arable land (8-10 g C kg −1 soil). Conclusions Particulate organic matter explains most of the differences in organic C accumulation in soils Plant Soil developed during 45 years under the three vegetation types on identical parent material. The C content of the mineral soil fraction was controlled by plant cover and contributed the most to differences in C accumulation in soils developed under similar vegetation type (forest).

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Section: Effect Of Vegetation On Total C and N Contentscontrasting

confidence: 53%

Effect of plant communities on aggregate composition and organic matter stabilisation in young soils

et al. 2014

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“…Because these events occur on an irregular schedule they may only be detected with frequent sampling. Intermittent releases of trace gases have also been documented in laboratory experiments (Teepe and Ludwig 2004;Kurganova et al 2007). Second, a mid-winter minimum in CO 2 flux occurs at some sites.…”

Section: Discussionmentioning

confidence: 94%

“…The near-surface soil environment reflects diurnal and synoptic fluctuations in air temperatures. Laboratory experiments have suggested that large pulses of CO 2 can be released during periods when the soils are thawed (Teepe and Ludwig 2004;Kurganova et al 2007). Because of the unpredictable seasonal pattern of CO 2 fluxes at sites in zone I, frequent sampling would be required to capture any pulses of gas emissions (c.f.…”

Section: Discussionmentioning

confidence: 99%

Process-level controls on CO2 fluxes from a seasonally snow-covered subalpine meadow soil, Niwot Ridge, Colorado

et al. 2009

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Fluxes of CO 2 during the snow-covered season contribute to annual carbon budgets, but our understanding of the mechanisms controlling the seasonal pattern and magnitude of carbon emissions in seasonally snow-covered areas is still developing. -2 emitted over the winter, *30% of the annual soil CO 2 efflux at this site. In general, the CO 2 flux increased during the winter as soil moisture increased. A conceptual model was developed with distinct snow cover zones to describe this as well as the three other reported temporal patterns in CO 2 flux from seasonally snow-covered soils. As snow depth and duration increase, the factor controlling the CO 2 flux shifts from freeze-thaw cycles (zone I) to soil temperature (zone II) to soil moisture (zone III) to carbon availability (zone IV). The temporal pattern in CO 2 flux in each zone changes from periodic pulses of CO 2 during thaw events (zone I), to CO 2 fluxes reaching a minimum when soil temperatures are lowest in mid-winter (zone II), to CO 2 fluxes increasing gradually as soil moisture increases (zone III), to CO 2 fluxes decreasing as available carbon is consumed. This model predicts that interannual variability in snow cover or directional shifts in climate may result in dramatically different seasonal patterns of CO 2 flux from seasonally snow-covered soils.

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“…From early August to mid-September (DOY 216 to 258), high temperatures probably both inhibited photosynthesis and enhanced decomposition of organic matter, allowing the heterotrophic contribution to reach a second peak. As the temperature decreased from the beginning of September, the R h contribution decreased but the R r contribution remained at a relatively high level owing to the higher allocation of photosynthate (i.e., starch) to roots and ectomycorrhizal fungi (Liang et al, 2004;Liu et al, 2006a;Kurganova et al, 2007;Hasselquist et al, 2010). In the end of September, the contributions of R r and R h became equal, which lasted until December.…”

Section: Root Respiration (R R ) and Heterotrophic Respiration (R H )mentioning

confidence: 99%

Soil CO<sub>2</sub> efflux of a larch forest in northern Japan

et al. 2010

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Abstract. We had continuously measured soil CO 2 efflux (R s ) in a larch forest in northern Japan at hourly intervals for the snow-free period in 2003 with an automated chamber system and partitioned R s into heterotrophic respiration (R h ) and autotrophic respiration (R r ) by using the trench method. In addition, we applied the soil CO 2 concentration gradients method to continuously measure soil CO 2 profiles under snowpack in the snowy period and to partition R s into topsoil (O a and A horizons) CO 2 efflux (F t ) with a depth of 0.13 m and sub-soil (C horizon) CO 2 efflux (F c ). We found that soil CO 2 effluxes were strongly affected by the seasonal variation of soil temperature but weakly correlated with soil moisture, probably because the volumetric soil moisture (30-40% at 95% confidence interval) was within a plateau region for root and microbial activities. The soil CO 2 effluxes changed seasonally in parallel with soil temperature in topsoil with the peak in late summer. On the other hand, the contribution of R r to R s was the largest at about 50% in early summer, when canopy photosynthesis and plant growth were more active. The temperature sensitivity (Q 10 ) of R r peaked in June. Under snowpack, R s was stable until mid-March and then gradually increased with snow melting. R s summed up to 79 gC m −2 during the snowy season for 4 months. The annual R s was determined at 934 gC m −2 y −1 in 2003, which accounted for 63% of ecosystem respiration. The annual contributions of R h and R r to R s were 57% and 43%, respectively. Based on the gradient approach, R s was partitioned vertically into litter (O i and O e horizons) with a depth of 0.01-0.02 m, topsoil and sub-soil respirations with proportions of 6, 72 and 22%, respectively, on an annual basis. The vertical distribution of CO 2 efflux was consistent with those of soil carbon and root biomass.

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Carbon balance in the soils of abandoned lands in Moscow region

Cited by 36 publications

References 17 publications

Effect of plant communities on aggregate composition and organic matter stabilisation in young soils

Effect of plant communities on aggregate composition and organic matter stabilisation in young soils

Process-level controls on CO2 fluxes from a seasonally snow-covered subalpine meadow soil, Niwot Ridge, Colorado

Soil CO<sub>2</sub> efflux of a larch forest in northern Japan

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Carbon balance in the soils of abandoned lands in Moscow region

Cited by 36 publications

References 17 publications

Effect of plant communities on aggregate composition and organic matter stabilisation in young soils

Effect of plant communities on aggregate composition and organic matter stabilisation in young soils

Process-level controls on CO2 fluxes from a seasonally snow-covered subalpine meadow soil, Niwot Ridge, Colorado

Soil CO&lt;sub&gt;2&lt;/sub&gt; efflux of a larch forest in northern Japan

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Soil CO<sub>2</sub> efflux of a larch forest in northern Japan