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Feature importance for each cluster and the whole area in estimating soil respiration was determined by integrating Random Forest regression and SHAP (SHapley Additive exPlanations). The |SHAP| of features above the red line is greater than the average |SHAP| of all features. |SHAP| represents the absolute value of SHAP. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
