Effects of land-use changes on humus forms on alpine pastureland (Central Alps, Tyrol)
作者： Julia Seeber , G.U.H. Seeber
DOI: 10.1016/J.GEODERMA.2004.05.002
关键词: Land use 、 Forestry 、 Humus 、 Soil organic matter 、 Pasture 、 Litter 、 Organic matter 、 Agroforestry 、 Environmental science 、 Soil water 、 Soil pH
摘要: This study examines the effects of land-use changes on humus forms and soil properties (pH, C/N, SOM) alpine pastureland. On 10 differently managed areas (alpine spruce forest, tamarack meadow, pasture, reforested area), were characterised morphologically, investigated in laboratory statistically analysed. Vermimull Rhizomull found intensively lightly areas, while abandoned sites forest floors more differentiated with varying thickness developed (Mullmoder, Leptomoder, Hemimor, Mormoder). Humus pH values ranged between 3.3 (abandoned pasture) 5.5 (intensively meadow); generally lower 3.0 (spruce forest) meadow). Both decreased from to areas. C/N was lowest meadow (21.1) increased sites, highest value being 37.6 area. Soil ratios narrow, ranging 12.4 pasture 19.6 forest. showed no trend. organic matter content (SOM) greatly 12.9% meadow) 41.3% (tamarack forest). In conclusion, reducing or abandoning management leads accumulation litter material development forms. As a consequence abandonment, decreases, whereas increase
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