Effects of land-use changes on humus forms on alpine pastureland (Central Alps, Tyrol)

Seeber, Julia; Seeber, Gilg

doi:10.1016/j.geoderma.2004.05.002

Cited by 46 publications

(27 citation statements)

References 16 publications

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“…The sites differed in vegetation, organic matter content, soil moisture and pH. Significant relationship determined among these variables suggested their connection through decomposition processes because decomposition is influenced by plant species composition, and changed in wet conditions, where it results in decreased soil pH [37].…”

Section: Discussionmentioning

confidence: 99%

Bacterial diversity and abundance of a creek valley sites reflected soil pH and season

et al. 2015

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The effect of environmental factors on bacterial and actinobacterial communities was assessed to predict microbial community structure in natural gradients. Bacterial and actinobacterial communities were studied at four sites differing in vegetation and water regime: creek sediment, wet meadow, dry meadow and deciduous forest located in a shallow valley. The vegetation structure was assessed by phytocoenological releves. T-RFLP and quantitative PCR were used to determine community composition and abundances. Significant relationships between bacterial community structure and selected soil traits at sites located relatively close to each other (within 200 m) were demonstrated. Both the quantity and structure of bacterial communities were significantly influenced by organic matter content, soil moisture and pH. Bacterial diversity was higher in summer, while that of actinobacteria increased in winter. The Simpson’s evenness E was significantly correlated with soil organic matter content. Soil pH had the greatest influence on bacterial community structure showing higher within-site variability in summer than in winter.

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Section: Discussionmentioning

confidence: 99%

Bacterial diversity and abundance of a creek valley sites reflected soil pH and season

et al. 2015

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“…5) can be also explained by a specific forest microclimate affecting the composition of forest floor species and OM decomposition rates and the fall of needles, which does not occur in grassland areas (cf. Kim, 2000;Seeber and Seeber, 2005;Rigueiro-Rodríguez et al, 2012). Soils covered with larch forest are not studied very often; however, the SOC stock in Jaworzynka Valley soils in plot no.…”

Section: 2 Land Use Effects On Soil Morphology and Soc Stocksmentioning

confidence: 99%

“…In coniferous forests ecosystems, thick O horizons develop (Table 1) as a result of a large amount of litter supplied to the soil as well as a specific forest microclimate and acidification caused as a result of needle decomposition (Bochter and Zech, 1985;Seeber and Seeber, 2005;Drewnik, 2006). The development of O horizons can rarely offset SOC depletion caused by the limited supply of grass roots (Kammer et al, 2009).…”

Section: 2 Land Use Effects On Soil Morphology and Soc Stocksmentioning

confidence: 99%

“…This trend can be explained by the fact that the slow growth of trees in harsh climate conditions makes the increase in SOC content possible only after a long period of time, while most studies cited by Laganière et al (2010) were carried out at relatively young plantations. An analysis of SOC changes must take into account the complexity of the carbon cycle in the forest ecosystem -including the accumulation of SOC in soil organic O horizons Seeber and Seeber, 2005;Poeplau and Don, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Land use effects on soil organic carbon sequestration in calcareous Leptosols in former pastureland – a case study from the Tatra Mountains (Poland)

Wasak

Drewnik

2015

Solid Earth

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Abstract. The purpose of the paper is to describe soil organic carbon (SOC) sequestration rates in calcareous shallow soils in reforested areas in the Tatra Mountains with a particular focus on different forms of organic matter (OM) storage. Three plant communities creating a mosaic on the slopes of the studied valley were taken into account.Fifty years since the conversion of pastureland to unused grassland, dwarf pine shrub and larch forest have emerged in the study area, along with the development of genetic soil horizons as well as SOC sequestration in the soil despite the steepness of slopes. SOC stock was measured to be the highest in soils under larch forest (63.5 Mg ha −1 ), while in soil under grassland and under dwarf pine shrub, this value was found to be smaller (47.5 and 42.9 Mg ha −1 , respectively).The highest amount of mineral-associated OM inside stable microaggregates (MOM FF3) was found in grassland soil (21.9-27.1 % of SOC) and less under dwarf pine shrub (16.3-19.3 % of SOC) and larch forest (15.3-17.7 % of SOC). A pool of mineral-associated OM inside transitional macroaggregates (MOM FF2) was found in soil under dwarf pine shrub (39.2-59.2 % of SOC), with less under larch forest (43.8-44.7 % of SOC) and the least in grassland soil (37.9-41.6 % of SOC). The highest amount of the free light particulate fraction (POM LF1) was found in soil under dwarf pine shrub (6.6-10.3 % of SOC), with less under larch forest (2.6-6.2 % of SOC) and the least in grassland soil (1.7-4.8 % of SOC).

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“…enhance soil erosion (Paldele, 1994;Körner, 1999;Tasser et al, 1999Tasser et al, , 2003Coppus et al, 2003). Organic material on the soil surface increases while the pH decreases, resulting in a shi from mull to moder humus forms (Seeber and Seeber, 2005). The measured soil chemical variables were linked not only to the natural fertility of the site, but also to long-term management inputs.…”

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confidence: 99%

Selected amino acids uptake by microorganisms in soil of differently managed mountain meadows

Vranová¹,

Holík²,

Pöschl³

et al. 2014

Acta Univ. Agric. Silvic. Mendelianae Brun.

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This work was aimed at determination of the effect of 13 years abandonment of previously long-term mown mountain meadows on uptake of L-glutamic acid (14CO2H[14CH2]2[NH2]14CO2H) and L-alanine (14CH314CH[NH2]14CO2H) by microbial community of Ap horizon (3–13 cm). The study plots has been located near to the experimental stand “Bílý Kříž“ which is located in the Moravian-Silesian Beskids Mountains (N 49°30’17”, E 18°32’28”), on a slope with an elevation of 825–860 m a. s. l. and southeast orientation, and soil classified as an Oxyaquic Hapludalf. The study was performed to test method for measurement of 14C-labelled amino acids uptake by soil microbial community and to increase knowledge on particular processes of N-transformation in soil of these ecosystems. The results obtained in this work showed that 13 years abandonment of mountain meadow did not significantly (P > 0.05) influence rate of glutamic acid or alanine uptake by soil microbial community. Further research including determination of amino acids use by soil microbial biomass with expression of their partitioning between production of new microbial biomass and energy metabolism is necessary.

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Effects of land-use changes on humus forms on alpine pastureland (Central Alps, Tyrol)

Cited by 46 publications

References 16 publications

Bacterial diversity and abundance of a creek valley sites reflected soil pH and season

Bacterial diversity and abundance of a creek valley sites reflected soil pH and season

Land use effects on soil organic carbon sequestration in calcareous Leptosols in former pastureland – a case study from the Tatra Mountains (Poland)

Selected amino acids uptake by microorganisms in soil of differently managed mountain meadows

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