Biochemical properties of range and forest soils in Mediterranean mountain environments
2007
Miralles, I | Ortega, R | Sánchez-Marañón, M | Leirós, M. C | Trasar-Cepeda, C | Gil-Sotres, F
Biochemical properties are at present considered to be the best indicators for assessing soil quality, but their use is limited by the lack of available data, at least for certain ecosystems. In an attempt to offset this lack of data, the present study provides information on different biochemical properties of soils from Sierra Nevada and Sierra María (southern Spain), covering a range of altitudes between 1,000 and 3,000 m. In general, the values of the properties analyzed were similar to those of other mountain soils, although the values of basal respiration were particularly low, possibly due to the low levels of humidity at the time of sampling. The biochemical properties were closely correlated with each other, as observed in soils from other type of environments. Altitude had a clear effect on the biochemical properties because of its effect on climate and vegetation. At both sites, the soil samples showing the most homogenous pattern of biochemical properties (seen through star diagrams) were those corresponding to intermediate altitudes.
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