Changes in biogeochemistry and carbon fluxes in a boreal forest after the clear-cutting and partial burning of slash

Kulmala, Liisa; Aaltonen, Hermanni; Berninger, Frank; Kieloaho, Antti‐Jussi; Levula, Janne; Bäck, Jaana; Hari, Pertti; Kolari, Pasi; Korhonen, Janne F. J.; Kulmala, Markku; Nikinmaa, Eero; Pihlatie, Mari; Vesala, Timo; Pumpanen, Jukka

doi:10.1016/j.agrformet.2013.12.003

Cited by 77 publications

(85 citation statements)

References 65 publications

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“…During the CO 2 measurement campaigns, soil in the windthrow areas was on average 4.8 ± 0.7 • C (RW07) and 3.2 ± 0.7 • C (RW00) warmer than in the undisturbed treatment (RC) at Rax and 4.2 ± 0.4 • C (HW09) and 2.9 ± 0.4 • C (HW07) warmer than in the undisturbed treatment (HC) at Höllengebirge (Table 2). Such an increase in soil temperature after stand disturbance is a commonly observed response in forest ecosystems (Payeur-Poirier et al, 2012;Kulmala et al, 2014;Classen et al, 2005;Pumpanen et al, 2004b;Singh et al, 2008;Vanderhoof et al, 2013), driven by the loss of shading by the tree canopy and the subsequently higher insolation at the forest floor. The decreasing temperature difference between windthrow areas and undisturbed stands with increasing time post-disturbance is likely connected to increased shading by the developing ground vegetation.…”

Section: Discussionmentioning

confidence: 99%

“…Windthrow can also affect microclimatic variables such as soil temperature and moisture, which are key drivers of SOM decomposition (Davidson et al, 1998;Davidson and Janssens, 2006;Lloyd and Taylor, 1994). Complete or partial removal of the tree layer, and the associated changes in insolation on the ground and transpiration demand on the soil, can lead to altered soil temperature and soil moisture regimes (Payeur-Poirier et al, 2012;Kulmala et al, 2014;Peng and Thomas, 2006;Pumpanen et al, 2004b;Singh et al, 2008). Due to the complex interplay of various rate-limiting factors regarding organic matter decomposition, the overall response of F soil to windthrow depends on many site-and ecosystem-specific factors.…”

Section: Introductionmentioning

confidence: 99%

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Soil CO<sub>2</sub> efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

et al. 2014

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Soil CO<sub>2</sub> efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

et al. 2014

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“…It has been found that it may take 3-10 years for post-fire soil CO 2 efflux recovery [36,37], and the main factors affecting it are the vegetation type, vegetation coverage and post-fire biomass recovery [38,39], which contribute to the formation of new SOM. However, in our study somewhat longer recovery period was observed.…”

Section: Discussionmentioning

confidence: 99%

How Time since Forest Fire Affects Stand Structure, Soil Physical-Chemical Properties and Soil CO2 Efflux in Hemiboreal Scots Pine Forest Fire Chronosequence?

Köster

Orumaa

et al. 2016

Forests

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Abstract:We compared the changes in aboveground biomass and initial recovery of C pools and CO 2 efflux following fire disturbances in Scots pine (Pinus sylvesteris L.) stands with different time since stand-replacing fire. The study areas are located in hemiboreal vegetation zone, in north-western Estonia, in Vihterpalu. Six areas where the last fire occurred in the year 1837, 1940, 1951, 1982, 1997, and 2008 were chosen for the study. Our results show that forest fire has a substantial effect on the C content in the top soil layer, but not in the mineral soil layers. Soil respiration showed a chronological response to the time since the forest fire and the values were lowest in the area where the fire was in the year 2008. The respiration values also followed seasonal pattern being highest in August and lowest in May and November. The CO 2 effluxes were lowest on the newly burned area through the entire growing season. There was also a positive correlation between soil temperature and soil respiration values in our study areas.

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“…The long-term effects of the burning of slash on the CO 2 and CH 4 fluxes from the soil were quantified by manual chamber measurements from the burned area every two weeks, together with the corresponding measurements from the clear-cut and a control forest (Kulmala et al, 2014). The fluxes were measured every two weeks from early May to the end of November for one year before and for three years after the treatment.…”

Section: Soil and Flux Measurementsmentioning

confidence: 99%

“…The flux measurements were performed by placing a chamber on a collar inserted into the soil to an approximate depth of 5 cm. Eleven collars were inserted for CO 2 measurement and eight collars were inserted for CH 4 measurement at each site, and one closure took 4 min for CO 2 and 35 min for CH 4 , as described in detail by Kulmala et al (2014) and Pihlatie et al (2013). During 2008-2010, CO 2 fluxes at each site were also measured using an automatic chamber described in detail by Kulmala et al (2010).…”

Section: Soil and Flux Measurementsmentioning

confidence: 99%

Prescribed burning of logging slash in the boreal forest of Finland: emissions and effects on meteorological quantities and soil properties

et al. 2014

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Abstract. A prescribed fire experiment was conducted on 26 June 2009 in Hyytiälä, Finland, to study aerosol and trace gas emissions from prescribed fires of slash fuels and the effects of fire on soil properties in a controlled environment. A 0.8 ha forest near the SMEAR II measurement station (Station for Measuring Ecosystem-Atmosphere Relations) was cut clear; some tree trunks, all tree tops and branches were left on the ground and burned. The amount of burned organic material was ∼46.8 tons (i.e., ∼60 tons ha −1 ). The flaming phase lasted 2 h 15 min, the smoldering phase 3 h. Measurements were conducted on the ground with both fixed and mobile instrumentation, and in the air from a research aircraft. In the middle of the burning area, CO 2 concentration peaked around 2000-3000 ppm above the baseline, and peak vertical flow velocities were ∼9 m s −1 , as measured with a 10 Hz 3-D sonic anemometer placed within the burn area. In the mobile measurements the peak particle number concentrations were approximately 1-2 × 10 6 cm −3 in the plume at a distance of 100-200 m from the burn area. On the ground at the SMEAR II station the geometric mean diameter of the mode with the highest concentration was 80 ± 1 nm during the flaming phase and in the middle of the smoldering phase, but, at the end of the smoldering phase, the largest mode was 122 nm. In the volume size distributions, geometric mean diameter of the largest volume mode was 153 nm during the flaming phase and 300 nm during the smoldering phase. The lowest single-scattering albedo of the groundlevel measurements was 0.7 in the flaming-phase plume and ∼0.9 in the smoldering phase. Elevated concentrations of several volatile organic compounds (VOC) (including acetonitrile, a biomass burning marker) were observed in the smoke plume at ground level. Measurements at the forest floor (i.e., a richly organic layer of soil and debris, characteristic of forested land) showed that VOC fluxes were generally low and consisted mainly of monoterpenes, and VOC flux peaked after the burning. After one year, the fluxes had Published by Copernicus Publications on behalf of the European Geosciences Union. 4474A. Virkkula et al.: Prescribed burning of logging slash in the boreal forest of Finland nearly stabilized close to the level before the burning. The clear-cutting and burning of slash increased the total longterm CO 2 release from the soil, and altered the physical, chemical and biological properties of the soil, such as increased the available nitrogen contents of the soil, which in turn, affected the long-term fluxes of greenhouse gases.

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Changes in biogeochemistry and carbon fluxes in a boreal forest after the clear-cutting and partial burning of slash

Cited by 77 publications

References 65 publications

Soil CO<sub>2</sub> efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

Soil CO<sub>2</sub> efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

How Time since Forest Fire Affects Stand Structure, Soil Physical-Chemical Properties and Soil CO2 Efflux in Hemiboreal Scots Pine Forest Fire Chronosequence?

Prescribed burning of logging slash in the boreal forest of Finland: emissions and effects on meteorological quantities and soil properties

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Changes in biogeochemistry and carbon fluxes in a boreal forest after the clear-cutting and partial burning of slash

Cited by 77 publications

References 65 publications

Soil CO&lt;sub&gt;2&lt;/sub&gt; efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

Soil CO&lt;sub&gt;2&lt;/sub&gt; efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

How Time since Forest Fire Affects Stand Structure, Soil Physical-Chemical Properties and Soil CO2 Efflux in Hemiboreal Scots Pine Forest Fire Chronosequence?

Prescribed burning of logging slash in the boreal forest of Finland: emissions and effects on meteorological quantities and soil properties

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Soil CO<sub>2</sub> efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance

Soil CO<sub>2</sub> efflux from mountainous windthrow areas: dynamics over 12 years post-disturbance