Evolution of soil pores and their characteristics in a siliceous and calcareous proglacial area

Musso, Alessandra; Lamorski, Krzysztof; Sławiński, Cezary; Geitner, Clemens; Hunt, A. G.; Greinwald, Konrad; Egli, Markus

doi:10.1016/j.catena.2019.104154

Cited by 35 publications

(86 citation statements)

References 82 publications

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“…The oldest Klausenpass moraine seems to have been deposited during the Younger Dryas advance phases as the radiocarbon ages from the soil organic matter were between 13.1 ka and 14 ka cal bp (Musso et al, 2019). These ages fit well with the moraine deposits of the nearby former Reussgletscher (Boxleitner et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

“…At both locations (Klausenpass, Sustenpass), four lateral moraines were selected for the chronosequences. To assess soil development, two soil pits per moraine were excavated according to the functional richness of the vegetation (covering areas of high and low functional richness; see Musso et al, 2019). These soil pits refer to the erosion/slope sites where the samples for Pu measurements were taken (see later and Figures 2 and 3).…”

Section: Methodsmentioning

confidence: 99%

“…All these sites were located in close proximity to the soil pits previously described by Musso et al (2019). Accordingly, the erosion sites in this study are also split into sites where the plant community has a higher or lower functional diversity (Table 1).…”

Section: Methodsmentioning

confidence: 99%

“…The Alps consist of several nappes of vastly different lithologies, containing crystalline, sedimentary and metamorphic rocks within relatively short distances (Figure 1). This enabled us to compare soil development in varying lithologies, which are close to each other and which have evolved under similar climatic conditions (Musso et al, 2019). The chronosequence near Klausenpass is on calcareous parent material and near the Sustenpass on siliceous parent material.…”

Section: Study Areas and Age Constraintsmentioning

confidence: 99%

“…11.6 ka bp (Renner, 2011). Another, younger moraine (estimated age of 3 to 5 ka) in the vicinity was also selected for our chronosequence and both were dated using radiocarbon (Musso et al, 2019). We estimated the ages of the younger two moraines, LIA and younger, using historical maps which showed the extent of the glacier tongue.…”

Section: Study Areas and Age Constraintsmentioning

confidence: 99%

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Rapid decrease of soil erosion rates with soil formation and vegetation development in periglacial areas

Musso

Ketterer

Greinwald

et al. 2020

Earth Surf Processes Landf

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Study Areas and Age Constraintsmentioning

confidence: 99%

Section: Study Areas and Age Constraintsmentioning

confidence: 99%

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Rapid decrease of soil erosion rates with soil formation and vegetation development in periglacial areas

Musso

Ketterer

Greinwald

et al. 2020

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Pore space memory of the Tlalpan pedosedimentary sequence as an indicator of paleopedogenesis

Pogosyan,

Abrosimov,

Sedov

2024

J. Plant Nutr. Soil Sci.

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BackgroundImaging techniques of analysis in undisturbed soil samples are powerful tools for understanding soil properties and functioning. Although micromorphological analysis has always been applied for studying soil genesis, the modern 3D X‐ray Computed Tomography (CT) approach is mostly used in soil physical studies related to soil functioning and ecological services.AimIn this study, we interpret ancient soil formation of the Late Pleistocene pedosedimentary archive of the Tlalpan sequence in the State of Tlaxcala in Central Mexico, based on soil and sediment porosity distribution in 2D and 3D.MethodsIn order to interpret ancient soil formation based on the porosity distribution, we applied both micromorphological (2D) and CT (3D) analyses in undisturbed samples of each horizon of the Tlalpan sequence.ResultsOur micromorphological observations have shown that pore space arrangement is unique for each soil horizon and that it is predetermined by the dominant pedogenetical processes and their succession, such as bioturbation, clay illuviation, and vertic shrinking/swelling. Most of the channels formed by biogenic agents (roots and mesofauna) subsequently underwent shape deformations and/or refilling. The “accommodating planes” type of voids resulted from the development of features of vertic paleosols that, in some cases, erased the past pedogenic pore space organization. Although biogenic turbation, compaction, and clay illuviation mostly affected the macro‐ and mesopores, shrinking/swelling processes affected macro‐ and mesoporosity distribution. The process that was only reflected at the microporosity level is hydroconsolidation.ConclusionsDespite the common idea that textural pores are more resistant to changes compared to meso‐ and macropores, most of soil formation processes registered in the Tlalpan sequence, including anthropogenic impact, were identified in macro‐ and mesopore space. Moreover, the changes that were registered in pore space transformation by 2D and 3D methods of analysis in undisturbed samples are crucial for identifying the sequence of formation processes and, therefore, for paleopedological interpretation. This study shows that the CT is a useful tool to access the soil formation, and pore space memory studied both in 3D and 2D is an important proxy for paleopedological research.

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Root density drives aggregate stability of soils of different moraine ages in the Swiss Alps

et al. 2021

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Aims The stability of hillslopes is an essential ecosystem service, especially in alpine regions with soils prone to erosion. One key variable controlling hillslope stability is soil aggregate stability. We aimed at identifying dominant controls of vegetation parameters on aggregate stability and analysed their importance for soil aggregate stability during landscape development. Methods We quantified the aggregate stability coefficient (ASC) and measured plant cover, diversity, root mass and root length, density (RMD, RLD) along two chronosequences with contrasting bedrocks (siliceous, calcareous) in the Swiss Alps. Results We found that ASC developed slower along the calcareous chronosequence. Furthermore, we observed a significant positive effect of vegetation cover and diversity on ASC that was mediated via root density. These relationships developed in a time-depended manner: At young terrain ages, vegetation parameters had a strong effect on aggregate stability compared to older stages. Moreover, RLD was the most powerful predictor of ASC on young terrain, whereas on older moraines RMD became more important. Conclusions We highlight that root density plays a major role in governing ASC for soils differing in moraine ages. The changing importances of RLD and RMD for ASC development suggest different mechanistic linkages between vegetation and hillsope stability during landscape development.

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Evolution of soil pores and their characteristics in a siliceous and calcareous proglacial area

Cited by 35 publications

References 82 publications

Rapid decrease of soil erosion rates with soil formation and vegetation development in periglacial areas

Rapid decrease of soil erosion rates with soil formation and vegetation development in periglacial areas

Pore space memory of the Tlalpan pedosedimentary sequence as an indicator of paleopedogenesis

Root density drives aggregate stability of soils of different moraine ages in the Swiss Alps

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