How the main environmental regulators shift as karst soils become thinner (IMAGE)
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Correlation networks compare woody vegetation volume and environmental factors under low-soil-volume conditions (soil thickness <57.5 centimeters; A, B) and high-soil-volume conditions (soil thickness ≥57.5 centimeters; C, D). Under low soil volume, soil thickness and climate are more closely connected to vegetation volume, while most nutrient-concentration variables become decoupled.
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