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The investigation was undertaken with a view to qualifying the time domain reflectrometry (TDR) technique for prediction of evaporation from a volcanic ash soil in the experimental plot of National Institute of Agro-Environmental Sciences (NIAES), Tsukuba, Japan. The inputs for prediction involved automated measurement by TDR of soil water content in-situ and a flow property called 'soil water diffusivity',...
Effects of Etnean broom (Genista aetnensis (Biv.) DC.) and Corsican pine (Pinus nigra Arn. ssp. laricio Maire) on the morphological, mineralogical and chemical properties of volcanic soils from Mt. Etna (Italy) were compared and contrasted. For this purpose, we studied the rhizosphere and the bulk soils under adjacent 30 years old pure plantations of both species. Morphology of the soil under broom...
It was assumed that protected soil organic matter (SOM) inside small macroaggregates is indicated by the enriched labile fraction (ELF) (2.07-2.22 g cm -3 of aggregated fine silt). The ELF should be of fungal origin and sensitively reflect management effects on SOM. To test these hypotheses, we have isolated ELF from mollic epipedons (0-10 cm) of Chernozems under native steppe, meadow,...
The development and use of estuarine sediment maps for estuarine restoration efforts have been hindered by the lack of a formal classification system or comprehensive model that explains the distribution of sediments. To enhance the evaluation, understanding, and management of sediments in shallow water habitats, a new approach must be developed in order to provide a more holistic assessment and cartographic...
Above treeline at Goliath Peak, Colorado, Pinus aristata (bristlecone pine) and Picea engelmannii (Engelmann spruce) grow as krummholz tree forms. Due to the harsh alpine climate, these trees are dwarfed in size (approximately 0.5 to 3.0 m tall) and root along a horizontal stem. Soil nutrients, including carbon, nitrogen, and phosphorus fractions were examined to 10-cm depth beneath P. aristata krummholz...
The consideration of spatially variable contaminant sources and sinks is crucial for the quantification of contaminant transport in industrial soils. To assess the seepage of polycyclic aromatic hydrocarbons (PAH) at a former manufactured gas plant, a combined approach was used comprised of a field survey, stochastic representation of site heterogeneity and numerical simulation of contaminant mobility...
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