Scheffer/SchachtschabelSoil Science

Blume, Hans‐Peter; Brümmer, Gerhard W.; Fleige, Heiner; Horn, Rainer; Kandeler, Ellen; Kögel‐Knabner, Ingrid; Kretzschmar, Ruben; Stahr, Karl; Wilke, Berndt‐Michael

doi:10.1007/978-3-642-30942-7

Cited by 225 publications

(199 citation statements)

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“…Frontiers in Environmental Science | www.frontiersin.org(e.g., Kovda et al, 1990;Lavelle et al, 1995;Lavelle, 1996Lavelle, , 2000Karl, 1997;Schouten et al, 1997;Rampazzo et al, 1998;Yaalon and Arnold, 2000;Barancikova and Madaras, 2003;Calvet, 2003;Blume et al, 2010Blume et al, , 2016Buchan, 2010;Bujnovsky and Vilcek, 2012;Glenk et al, 2012;Madena et al, 2012;Morel et al, 2014;O'Sullivan et al, 2015). In particular, soil functions have become a cornerstone in the long-standing debate on the somewhat vague concepts of "soil quality" and "soil health, " various authors arguing for the existence of absolute values of the notions for any given soil, whereas a growing number of researchers consider that their evaluation makes sense only in relation to specific soil functions (e.g., Sojka and Upchurch, 1999;Bouma, 2002Bouma, , 2010Bouma, , 2014Nortcliff, 2002;Letey et al, 2003;Robert, 2005;Kibblewhite et al, 2008;Keller et al, 2012;Thomsen et al, 2012;Volchko et al, 2014).…”

Section: Categories Of Soil Functionsmentioning

confidence: 99%

Soil “Ecosystem” Services and Natural Capital: Critical Appraisal of Research on Uncertain Ground

Baveye

Gowdy

2016

Front. Environ. Sci.

314

168

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Section: Categories Of Soil Functionsmentioning

confidence: 99%

Soil “Ecosystem” Services and Natural Capital: Critical Appraisal of Research on Uncertain Ground

Baveye

Gowdy

2016

Front. Environ. Sci.

314

168

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“…In contrast, Agrostis gigantea had a significantly higher N:P ratio (24) when growing next to stones than when in open spaces (N:P = 18). Thus, plants mobilizing P from mineral-derived sources, such as apatite, might be more important than N 2 -fixing species as pioneer plants, at least in the areas with granite /silicate bedrock which is a common lithology in the European Alps (Blume et al 2015). …”

Section: N 2 -Fixing Plantsmentioning

confidence: 99%

Nitrogen and phosphorus availability at early stages of soil development in the Damma glacier forefield, Switzerland; implications for establishment of N2-fixing plants

et al. 2016

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Background and aims Di-nitrogen (N 2 )-fixing plants are absent in the pioneer stages of glacial forefields in the European Alps despite low amounts of nitrogen (N) in the soil. We aimed to evaluate whether symbiotic N 2 -fixation is needed to meet the N demand of plants during the early stages of soil formation, and how phosphorus (P) availability affects plant establishment. Methods We measured total and available N and P in soil and N and P in the vegetation along the 137 year chronosequence in front of the Damma glacier (Switzerland). Results

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“…Exceptions to this rule have been observed in cases where pipe flow (Holden, 2005), fire disturbances (Sherwood et al, 2013), and rapid climate change resulting in changes in vegetation and subsequent peat deposition history (Rydin and Jeglum;Hedwall et al, 2017) occur. In summary, the afore-mentioned processes constitute the entire continuous pedogenesis shaping the soil profile as an ongoing process (Blume et al, 2016). It should be noted that this includes the actively growing Sphagnum mosses, as Weber et al (2017a) define the actively growing and living part of the Sphagnum mosses as part of the vadose zone, i.e.…”

Section: Introductionmentioning

confidence: 99%

A pore-size classification for peat bogs derived from unsaturated hydraulic properties

Weber

Iden

Durner

2017

Hydrol. Earth Syst. Sci.

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Abstract. In ombrotrophic peatlands, the moisture content of the acrotelm (vadoze zone) controls oxygen diffusion rates, redox state, and the turnover of organic matter. Thus, variably saturated flow processes determine whether peatlands act as sinks or sources of atmospheric carbon, and modelling these processes is crucial to assess effects of changed environmental conditions on the future development of these ecosystems. We show that the Richards equation can be used to accurately describe the moisture dynamics under evaporative conditions in variably saturated peat soil, encompassing the transition from the topmost living moss layer to the decomposed peat as part of the vadose zone. Soil hydraulic properties (SHP) were identified by inverse simulation of evaporation experiments on samples from the entire acrotelm. To obtain consistent descriptions of the observations, the traditional van GenuchtenMualem model was extended to account for non-capillary water storage and flow. We found that the SHP of the uppermost moss layer reflect a pore-size distribution (PSD) that combines three distinct pore systems of the Sphagnum moss. For deeper samples, acrotelm pedogenesis changes the shape of the SHP due to the collapse of inter-plant pores and an infill with smaller particles. This leads to gradually more homogeneous and bi-modal PSDs with increasing depth, which in turn can serve as a proxy for increasing state of pedogenesis in peatlands. From this, we derive a nomenclature and size classification for the pore spaces of Sphagnum mosses and define inter-, intra-, and inner-plant pore spaces, with effective pore diameters of > 300, 300-30, and 30-10 µm, respectively.

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Scheffer/SchachtschabelSoil Science

Cited by 225 publications

References 0 publications

Soil “Ecosystem” Services and Natural Capital: Critical Appraisal of Research on Uncertain Ground

Soil “Ecosystem” Services and Natural Capital: Critical Appraisal of Research on Uncertain Ground

Nitrogen and phosphorus availability at early stages of soil development in the Damma glacier forefield, Switzerland; implications for establishment of N2-fixing plants

A pore-size classification for peat bogs derived from unsaturated hydraulic properties

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