Year | Beetles captured till the end of June | Beetles captured till the end of July | ||
---|---|---|---|---|
share [%] | correlation r | share [%] | correlation r | |
2010 | 52.6 | 0.845 | 87.0 | 0.987 |
2011 | 57.3 | 0.980 | 86.4 | 0.998 |
2012 | 60.4 | 0.975 | 85.4 | 0.991 |
2013 | 49.8 | 0.916 | 76.2 | 0.980 |
2014 | 45.8 | 0.942 | 77.8 | 0.983 |
2015 | 23.6 | 0.815 | 79.9 | 0.964 |
2016 | 32.2 | 0.846 | 76.3 | 0.981 |
2017 | 31.8 | 0.519 | 71.6 | 0.969 |
2018 | 70.2 | 0.933 | 85.9 | 0.990 |
2019 | 54.7 | 0.935 | 81.6 | 0.969 |
Tree mortality expressed by | Western area | Eastern area | ||
---|---|---|---|---|
rs | p | rs | p | |
Area of spots with dead trees | 0.714 | n.s. | 0.657 | n.s. |
Volume with and of left processed by insects trees | 0.018 | n.s. | 0.055 | n.s. |
Volume with insects of processed trees | 0.430 | n.s. | 0.067 | n.s. |
Radius of concentric zone (m) | Area (ha) with standing dead trees within the zones in the year | |||||
---|---|---|---|---|---|---|
2011 | 2012 | 2013 | 2014 | 2015 | 2017 | |
100 | 0.00 | 0.06 | 0.00 | 0.00 | 0.08 | 1.15 |
200 | 1.30 | 0.28 | 0.49 | 0.35 | 0.10 | 12.48 |
500 | 28.10 | 8.37 | 13.57 | 3.62 | 1.17 | 126.07 |