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Fig. 4 | Forest Ecosystems

Fig. 4

From: Impact of Robinia pseudoacacia stand conversion on soil properties and bacterial community composition in Mount Tai, China

Fig. 4

Spearman correlation matrix between soil physicochemical characteristics and bacterial communities at phylum level a and genus level b. N: soil nitrogen content, C: soil carbon content, P: soil phosphorus content, NO3-N: soil nitrate content, NH4+-N: soil ammonium content, A.N: available nitrogen content, A.P: available phosphorus content, Ca: soil exchangeable calcium content, Mg: soil exchangeable magnesium content, K: soil exchangeable potassium, SOM: soil organic matter. *P < 0.05, ** P < 0.01

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