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NFI4
forest area
protection forest (2022) · crown closure
regional demarcation: protection forest region
unit: %, column total
evaluation area: accessible forest without shrub forest
grid: 1.4-km grid
state 2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
protection forest (2022)crown closure%±%±%±%±%±%±%±
n/an/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
crowded0.0.0.0.0.0.0.0.0.0.0.0.0.0.
normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.
loose0.0.0.0.0.0.0.0.0.0.0.0.0.0.
open0.0.0.0.0.0.0.0.0.0.0.0.0.0.
scattered0.0.0.0.0.0.0.0.0.0.0.0.0.0.
grouped crowded0.0.0.0.0.0.0.0.0.0.0.0.0.0.
grouped normal0.0.0.0.0.0.0.0.0.0.0.0.0.0.
heterogeneous0.0.0.0.0.0.0.0.0.0.0.0.0.0.
total0.0.0.0.0.0.0.0.0.0.0.0.0.0.
insiden/a0.10.11.70.41.20.41.50.51.60.50.90.30.90.1
crowded4.60.415.61.118.31.513.01.35.70.824.21.511.60.4
normal4.50.412.21.014.31.310.01.27.81.015.31.39.30.4
loose1.40.35.10.75.00.86.51.06.30.95.40.84.10.3
open1.90.37.30.85.30.914.51.410.01.18.71.06.40.3
scattered0.20.13.40.63.60.78.91.28.01.07.00.93.90.2
grouped crowded0.1.4.00.63.40.72.00.65.40.87.00.92.90.2
grouped normal0.10.12.30.53.10.72.40.66.70.95.80.82.60.2
heterogeneous0.60.24.40.61.00.48.41.13.60.72.40.52.70.2
total13.50.756.01.555.21.967.11.955.11.876.51.544.50.6
outsiden/a0.80.21.20.30.40.21.00.40.80.30.1.0.70.1
crowded27.30.99.90.910.91.24.90.94.10.74.90.814.30.4
normal28.01.08.20.99.41.12.10.65.00.83.80.713.80.4
loose10.50.73.10.53.10.71.80.55.50.80.50.25.60.3
open11.20.76.00.75.40.95.60.98.21.03.20.67.60.3
scattered3.90.44.80.75.10.810.81.37.30.96.00.85.60.3
grouped crowded0.90.24.20.64.60.83.10.76.20.92.30.53.00.2
grouped normal1.10.22.60.54.40.81.30.55.80.81.60.42.40.2
heterogeneous2.70.34.00.61.50.52.30.62.10.51.00.32.40.2
total86.50.744.01.544.81.932.91.944.91.823.51.555.50.6
totaln/a0.90.22.90.51.60.52.50.62.40.61.00.31.70.2
crowded31.91.025.51.329.21.717.91.59.81.129.11.625.90.6
normal32.51.020.31.223.71.612.11.312.71.219.11.423.10.5
loose11.90.78.20.98.11.08.31.111.81.25.80.89.70.4
open13.10.713.31.110.61.220.01.618.11.411.91.114.00.4
scattered4.10.48.20.88.71.119.71.615.31.313.01.19.50.4
grouped crowded1.00.28.20.88.01.05.10.911.61.29.31.05.90.3
grouped normal1.20.24.90.77.51.03.70.812.51.27.40.95.10.3
heterogeneous3.30.48.40.92.50.610.71.25.70.83.40.65.20.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 21.05.2024 #1256797/438547

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1256797. Birmensdorf, Swiss Federal Research Institute WSL

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