Figure 3 | Scientific Reports

Figure 3

From: European-wide forest monitoring substantiate the neccessity for a joint conservation strategy to rescue European ash species (Fraxinus spp.)

Figure 3

Mean defoliation across plots by survey country. Red dashed line shows linear time-series trend. 1Note that the downward trend in Denmark is caused by lost of of some plots and does not show recovery. 2Norway assessed ash only since 2013 and only dead trees were recorded without defoliation. 3Sweden changed its survey rotation since 2009 and only dead trees were recorded since then in 5 year intervals.

Back to article page