Additionally, both measures displayed a decreasing trend from 1992 to 2012 for the four tree species, which was statistically significant for oak and spruce sites.
← all excerpts
Consistency of defoliation data of the national training courses for the forest condition survey in Germany from 1992 to 2012.
2
—
—
The sentences
In the present study, 94 % of the assessments were located within these limits and the proportion of assessments within the limits displayed an increasing trend, which was significant for oak and spruce.