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NFI4b
forest area
predominant tree species · stand age (classes of 40 years)
unit of reference: protection forest region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest NFI1/NFI2/NFI3/NFI4
grid: grid NFI4 2009-2013
state 2009/13
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern AlpsSoutheastern AlpsSouthern AlpsSwitzerland
predominant tree speciesstand age (classes of 40 years)1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %1000 ha± %
n/a0 (unstocked)..1.1581.8451.4500.41000.7715.326
1-409.3192.9352.9361.4501.0580.77118.214
41-800.41000.4100......0.41001.158
81-1200.4100..........0.4100
121-160..............
over 160..............
uneven-aged0.4100..........0.4100
total10.4184.3294.7282.8351.4501.84525.312
spruce0 (unstocked)0.41002.2410.31000.31001.8450.7715.725
1-4030.01111.2187.4212.4387.0222.14160.28
41-8021.11312.3176.6223.8305.6252.14151.48
81-12024.71215.51514.1154.1288.8193.53170.87
121-16018.61412.61612.8167.22115.5144.62771.37
over 1604.32911.5176.9225.12512.6164.62745.19
uneven-aged23.31235.7912.11613.41520.0129.219113.75
total122.35101.0560.2636.4871.3527.011418.22
fir0 (unstocked)..0.4100........0.4100
1-4011.4173.2332.141..0.4100..17.114
41-807.2222.9351.4500.31000.41000.77112.817
81-12017.9148.3204.5270.31000.41000.410031.710
121-16017.9146.9233.1330.31000.41000.77129.211
over 1601.8452.9350.31000.31000.7710.41006.423
uneven-aged16.11512.3173.4312.1410.7712.14136.710
total72.2636.8914.8143.4312.8354.329134.35
pine0 (unstocked)..............
1-402.1410.41000.31000.7710.771..4.329
41-802.1410.7710.31003.1332.141..8.420
81-1203.6320.41000.31001.0582.438..7.721
121-1600.7710.4100..0.7712.141..3.930
over 160......0.771....0.771
uneven-aged1.8450.7710.31002.4371.1580.41006.723
total10.4182.5381.4508.6198.4200.410031.610
larch0 (unstocked)0.4100....0.31001.450..2.141
1-402.1411.450..2.8351.1580.7718.121
41-801.158....1.0582.5383.6318.121
81-1200.4100..0.7711.7442.1411.4506.323
121-160......2.1411.1581.4504.528
over 160......5.2254.6273.53113.316
uneven-aged0.4100....10.3183.9305.62520.113
total4.3291.4500.77123.41116.51416.31462.67
stone pine0 (unstocked)......0.3100....0.3100
1-40..............
41-80..............
81-120........1.158..1.158
121-160........0.771..0.771
over 160......1.0581.450..2.438
uneven-aged......2.4372.835..5.226
total......3.8306.024..9.719
other conifers0 (unstocked)..............
1-400.4100..........0.4100
41-800.771..........0.771
81-1201.158..........1.158
121-160..............
over 160..............
uneven-aged0.4100..........0.4100
total2.538..........2.538
beech0 (unstocked)1.4500.4100....0.4100..2.141
1-4021.5132.2412.438....1.45027.511
41-8024.0122.2413.8301.744..9.21940.89
81-12054.788.3207.2210.31001.1582.53874.17
121-16010.0194.3291.7440.31001.4500.77118.514
over 1601.8450.41001.058....0.7713.930
uneven-aged19.31311.2183.8301.4501.4507.82144.99
total132.7428.81020.0123.8304.22822.312211.94
maple0 (unstocked)0.4100..0.3100......0.771
1-407.2221.8452.8351.4500.41000.410013.816
41-803.2332.9350.771....1.1587.921
81-1202.5380.41000.771......3.632
121-1600.4100..........0.4100
over 160..............
uneven-aged2.1411.4500.7710.31000.7710.7716.024
total15.7156.5235.2251.7441.1582.14132.310
ash0 (unstocked)..............
1-405.7251.1581.7440.7710.41000.41009.919
41-806.8231.8452.141..0.41001.15812.117
81-1203.9300.41002.141....0.41006.723
121-1601.4500.41000.3100..0.4100..2.538
over 160..............
uneven-aged3.632..0.7711.0580.7710.41006.424
total21.5133.6316.9221.7441.8452.14137.610
oak0 (unstocked)0.4100..........0.4100
1-402.141..........2.141
41-804.6280.4100..1.058..1.4507.522
81-1204.329....0.31000.41000.41005.326
121-1601.158..........1.158
over 160..............
uneven-aged2.5380.4100..1.0580.41001.1585.326
total15.0150.771..2.4370.7712.83521.713
chestnut0 (unstocked)..............
1-40......0.3100..3.2333.531
41-80..........7.8217.821
81-120......0.3100..1.4501.745
121-160..........0.41000.4100
over 160..........0.7710.771
uneven-aged......0.3100..7.8218.120
total......1.058..21.21222.212
other broadleaves0 (unstocked)0.4100..........0.4100
1-405.7253.6311.7451.7442.8354.92620.513
41-803.2330.41000.31002.4371.84510.31818.414
81-1202.141..........2.141
121-160..............
over 160..............
uneven-aged3.6320.7710.7710.7710.41003.9309.919
total15.0154.7272.8354.8264.92619.11351.38
total0 (unstocked)3.2334.0302.4382.4383.9301.45017.314
1-4097.6527.81121.41211.31713.71513.815185.64
41-8074.4623.81215.21413.41512.61637.69176.94
81-120115.5533.21029.7108.22016.1149.918212.64
121-16050.1824.51117.91310.61721.4127.821132.45
over 1607.92114.8158.32012.41619.3139.91872.57
uneven-aged73.3662.4721.81235.3832.0938.98263.83
total422.11190.42116.7393.73119.03119.331061.21
© WSL, Swiss National Forest Inventory, 27.06.2015 #201508/187742
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