Fig. 4
From: Impact of deadwood decomposition on soil organic carbon sequestration in Estonian and Polish forests
The projection of variables on a plane of the first and second PCA factor (C, carbon content; CfLF, carbon of free light fraction; CoLF, carbon of occluded light fraction; CMAF, carbon of mineral associated fraction; NfLF, nitrogen of free light fraction; NoLF, nitrogen of occluded light fraction, NMAF, nitrogen of mineral associated fraction; III–V, decay classes; 0, 10, 50, distance from log; blue circles, soils in Poland; blue polygons, soils in Estonia)