Fig. 5From: Edge effects confirmed at the clear-cut area of Korean red pine forest in Uljin, eastern KoreaA change of physicochemical properties of soil along the distance from forest edge (total nitrogen: r 2Â =Â 0.6148, K+: r 2Â =Â 0.5490, Na+: r 2Â =Â 0.7622, Ca2+: r 2Â =Â 0.6207, Mg2+: r 2Â =Â 0.5942, black thick line: piecewise regression, dotted line: two break points)Back to article page