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An 8 × 8 m plot was selected in the Churince System within the Cuatro Cienegas Basin, México. A checkerboard sampling scheme was followed (Noguez et al., 2005) to a total of 32 samples, eight for each of the four quadrats (A, B, C, and D). Soil parameters were determined for the 32 samples. Numbers with asterisks indicate samples that were also analyzed for microbial diversity. Green colored areas indicate presence of vegetation.
