CCA indicated that grazing pressure, latitude, nitrogen concentration, clay content, and soil pH were among the variables that influenced the vegetation patterns of depressions, while longitude and soil carbon content showed marginal significance in explaining the observed floristic variation.
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Vegetation Analysis and Environmental Relationships of Qatar's Depression Habitat.
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Grazing pressure (F = 2.01, p = 0.001), latitude (F = 1.56, p = 0.007), nitrogen (F = 1.58, p = 0.006), clay content (F = 1.37, p = 0.045), and soil pH (F = 1.38, p = 0.038) were statistically significant, while longitude ( p = 0.055) and carbon content ( p = 0.096) were marginally significant in explaining vegetation patterns. 2.5.