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The aim of this work was to develop a suitable index for characterizing the quality of soils in semiarid Mediterranean ecosystems. The preliminary estimate of the attributes involved in soil quality was made taking into account the opinion of experts and our own experience in such ecosystems. These attributes were based on different physical (granulometry, aggregate stability, water holding capacity...
This study analyses the loss of fertility in eroded soils, whose nutrients are retained behind check dams. The study was carried out in the basin of the River Quipar, which flows into the River Segura (SE Spain). In two projects carried out in 1962 and 1996, 425 check dams were constructed in an attempt to reduce sedimentation. Of these check dams, 18 were chosen as representative of the different...
Twenty-three pedons from six salt marshes in SE Spain, occurring under a semiarid Mediterranean climate, were classified according to various FAO and USDA Soil Survey Staff (SSS) systems. In each salt marsh, the sampling sites were selected to represent seven different plant communities. For the plant communities studied, less diversity of soil classes was observed at the Unit level using the 1998...
Soil characteristics and plant zonation were studied in a semiarid Mediterranean salt marsh in SE Spain. According to topographic sequences and plants distribution, two transects were established from the border of La Mata lagoon to the upland vegetation limit and soils were described and analysed. Regularly spaced plots were established in these transects in accordance with the stands of vegetation...
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