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Forests play an extremely important role in the formation of water circulation in a catchment. Despite numerous studies concerning the relations between forest and water, many problems still remain unexplained. Among them is the influence of the species composition in a stand on the water storage capacity of forest soils, especially of their surface horizons, whose physico-chemical properties are...
During natural and prescribed fires, combustion of heavy surface fuel loads can expose underlying soil to high temperatures causing thermal alteration of soil minerals and other changes in soil properties. We studied the effect of fire on soil cation exchange capacity (CEC) by comparing severely burned soils to nearby unburned soils at five forest and woodland sites in California, USA. Combusted logs...
The properties of and processes in calcareous soils are important in the context of dryland soil management and moderation of atmospheric CO2 by carbonate weathering. This study was conducted to determine the major and trace elemental composition in soils of the Kurdistan region of Iraq, and their geochemical features. Soil samples were taken from seven pedons, five of them from forest soils and two...
In tropical humid conditions, soil organic carbon (SOC) concentrations have been reported to be proportional to clay, clay+silt and Fe/Al oxide contents. Typically, soil texture and mineralogy are strongly dependent on soil parent materials, but it is not known if SOC retention would also be affected by soil parent material. Such relationship, if established, could be useful to estimate regional SOC...
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