Carbon concentrations and stocks in forest soils of Europe

Baritz, Rainer; Seufert, G.; Montanarella, Luca; Ranst, Éric Van

doi:10.1016/j.foreco.2010.03.025

Cited by 165 publications

(92 citation statements)

References 30 publications

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“…The greater C stock as particulate SOM found in the 0-5cm layer in P14 can be related to the lower decomposition rate of the pine litter, 26 which likely derives from its high chemical recalcitrance (indicated by high C:N) and lower nutrient content (Table 2). However, other local factors such as microclimate, soil type and harvest system 25,27 may play an important role on soil C accumulation for land under exotic species plantations, since both increase and decrease in soil C stocks have been observed in highland areas within 180 km off the present study site after 12 and 8 years, respectively, of Pinus introduction. 6 Nevertheless, the increase in C stocks as humified SOM (C CO ) in P14 observed in the present study can be attributed to a higher C concentration in the aboveground vegetal residue (Table 2), from which the colloidal SOM originates.…”

Section: Stocks and Distribution Of Som Chemical Compartmentsmentioning

confidence: 77%

Distribution of chemical compartments of soil organic matter and c stocks of a cambisol from south Brazil as affected by Pinus afforestation

Almeida¹,

Dick²,

Bertotto³

et al. 2012

Quím. Nova

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Distribution and stocks of soil organic matter (SOM) compartments after Pinus monoculture introduction in a native pasture area of a Cambisol, Santa Catarina, Brazil, were investigated. Pinus introduction increased soil acidity, content of exchangeable Al+3 and diminished soil nutrients. Nevertheless, soil C stock increased in all humic fractions of the 0-5 cm layer after Pinus afforestation. In the subsurface, the vegetation change only promoted SOM redistribution from the NaOH-extractable humic substances to a less hydrophobic humin fraction. Under Pinus, soil organo-mineral interactions were relevant up to a 15 cm depth, while in pasture environment, this mechanism occurred mainly in the surface layer

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Section: Stocks and Distribution Of Som Chemical Compartmentsmentioning

confidence: 77%

Distribution of chemical compartments of soil organic matter and c stocks of a cambisol from south Brazil as affected by Pinus afforestation

Almeida¹,

Dick²,

Bertotto³

et al. 2012

Quím. Nova

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“…The effect of tree species on soil C pools may be confounded by inherent site factors, such as parent material and soil texture (Baritz et al 2010). However, the similarity in plot characteristics (soil type, parent material, and slope) and especially its proximity suggest that species composition is the main varying factor between selected areas.…”

Section: Discussionmentioning

confidence: 99%

Tree species identity mediates mechanisms of top soil carbon sequestration in a Norway spruce and European beech mixed forest

Andivia

Rolo

Jonard

et al. 2016

Annals of Forest Science

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Abstract& Key message Combined effects of litterfall and root turnover significantly increase topsoil carbon stocks in Norway spruce and European beech mixed forests, indicating local complementarity effects mediated by tree species mixtures. & Context The establishment of mixed stands by intermingling individuals of European beech and Norway spruce is an ongoing trend in adaptive forest management strategies. However, our understanding of the potential of these strategies to promote C sequestration remains limited. & Aims This study aims to assess the effect of species composition on SOC stock in a mixed forest of Norway spruce and European beech. & Methods We studied C stocks in the uppermost soil layers in two stands dominated either by Norway spruce or European beech and in a mixture of both species. We evaluated the effect of litterfall and root turnover on soil organic carbon (SOC) stocks and its spatial distribution by combining structural equation models and geostatistical techniques. & Results C stocks in the forest floor were highest in Norway spruce, whereas in the mineral soil, the highest values were in the mixed stand. The proportion of Norway spruce litterfall was positively related to C stock in the forest floor across stands. Root turnover was positively related to C stock in the mineral soil of the mixed stand. & Conclusion Our results confirm a contrasting role of root turnover and litterfall between soil layers in the studied stands, suggesting that tree species composition can mediate the spatial distribution of SOC stocks in mixed forests.

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“…All data needed for C stock calculations were present in the database except for bulk density. Bulk density was estimated from a pedotransfer function (Baritz et al 2010) or from separate data (de Wit and Kvindesland 1999;Strand et al 2016). Fifteen percent of the profiles had no information on the exact thickness of the deepest horizon; for these horizons, we set a thickness of 0.2 m, less if this caused the total profile depth to exceed 1 m. For mineral soil horizons missing information on stone (6% of horizons) and gravel (15% of horizons) contents, we estimated these fractions by using either the average of the above and below horizons or the median of these fractions from soils of the same parent material (Strand et al 2016).…”

Section: Calculation Of Field-based Soil C Stocksmentioning

confidence: 99%

Underestimation of boreal forest soil carbon stocks related to soil classification and drainage

et al. 2016

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Soil organic carbon (C), accumulated over millennia, comprise more than half of the C stored in boreal and temperate forest landscapes. We used the Norwegian national forest inventory and soil survey network (n = 719, no deep organic soils) to explore the validity of a deterministic model representation of this pool (Yasso07). We statistically compared simulated and measured soil C stocks and related differences (measured -simulated) to site factors (drainage, topography, climate, vegetation, C-to-N ratio, and soil classification). Median C stocks were 5.0 kg C·m −2 (model) and 14.5 kg C·m −2 (measurements). Soil C differences related to site factors (r 2 of 0.16 to 0.37). For Brunisols, Gleysols, and wet Organic soils, differences related primarily to topographic wetness. For Regosols, Podzols, and Dystric Eluviated Brunisols, they related to climate, profile depth, and, in some cases, drainage class and site index. We argue that soil moisture regimes in our study area overrule tree productivity effects in the determination of soil C stocks and present conditions for soil formation that the model cannot (and does not explicitly) account for. These are processes such as humification and podsolization that involve eluviation and illuviation of dissolved organic C (DOC) with sesquioxides to form spodic B horizons and carbon enrichment due to hampered decomposition in frequently anoxic conditions.Key words: drainage, national forest inventory (NFI), SOC simulation, soil classification, soil-forming factors, soil moisture regime, soil survey, podsolization, Yasso07. Résumé :Le carbone (C) organique du sol accumulé au fil des millénaires correspond à plus de la moitié du C stocké dans les paysages forestiers boréaux et tempérés. Nous avons utilisé l'inventaire forestier national norvégien et le réseau d'inventaire des sols (n = 719, aucun sol organique épais) pour étudier la validité d'une représentation de ce réservoir (Yasso07) à l'aide d'un modèle déterministe. Nous avons statistiquement comparé les stocks de C du sol simulés et mesurés, et relié leurs différences (mesurés -simulés) à des caractéristiques de la station (drainage, topographie, climat, végétation, rapport de C à N et classification du sol). Les stocks médians de C atteignaient 5,0 (simulé) et 14,5 (mesuré) kg C·m -2 . Les différences de C du sol étaient reliées aux caractéristiques des stations (r 2 de 0,16 à 0,37). Pour les brunisols, les gleysols et les sols organiques humides, les différences étaient surtout reliées à l'humidité topographique. Pour les régosols, les podzols et les brunisols dystriques éluviés, les différences étaient reliées au climat, à la profondeur du profil et, dans certains cas, à la classe de drainage et à l'indice de qualité de station. Nous avançons que le régime d'humidité du sol de notre aire d'étude est un facteur plus important que les effets de la productivité ligneuse pour déterminer les stocks de C, et qu'il engendre des conditions de formation des sols dont le modèle ne peut tenir compte et ne tient pas ...

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Carbon concentrations and stocks in forest soils of Europe

Cited by 165 publications

References 30 publications

Distribution of chemical compartments of soil organic matter and c stocks of a cambisol from south Brazil as affected by Pinus afforestation

Distribution of chemical compartments of soil organic matter and c stocks of a cambisol from south Brazil as affected by Pinus afforestation

Tree species identity mediates mechanisms of top soil carbon sequestration in a Norway spruce and European beech mixed forest

Underestimation of boreal forest soil carbon stocks related to soil classification and drainage

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