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NFI4
stem number of dead wood
mechanical strength of wood (3 classes) · cavity by woodpecker
unit of reference: protection forest region
unit: %
unit of evaluation: accessible forest without shrub forest NFI3/NFI4
grid: 1.4 x 1.4 km grid
state2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern Alps Switzerland
mechanical strength of wood (3 classes)cavity by woodpecker %± %± %± %± %± %± %±
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cavity present0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cavity absent0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
fresh / firm woodn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cavity present3.20.51.90.41.40.52.00.52.10.51.90.42.20.2
cavity absent52.51.651.22.052.62.658.72.158.52.366.02.356.40.9
total55.71.653.12.054.02.760.72.160.62.367.92.358.50.9
rotten woodn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cavity present2.40.41.50.31.50.40.90.30.60.31.10.31.40.1
cavity absent22.81.328.01.624.72.021.71.620.01.720.01.723.10.7
total25.21.329.51.626.32.122.61.620.61.721.11.724.50.7
mouldering / mull woodn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cavity present1.20.31.30.30.40.20.80.30.70.30.50.20.90.1
cavity absent17.91.216.11.419.32.015.91.418.11.610.51.316.10.6
total19.11.317.41.419.82.016.71.418.81.611.01.316.90.6
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
cavity present6.80.64.70.63.30.73.70.63.40.63.50.64.50.3
cavity absent93.20.695.30.696.70.796.30.696.60.696.50.695.50.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.06.2020 #818958/285289
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