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Swiss NFI Accurate and precises measurements at the inventory plot. Copyright: B. Basler/WSL |
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Remote sensing Application of remote sensing and GIS techniques for the provision of forest maps and other spatial forest information is an integral part of many NFIs. Download Copyright: BFW |
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Austrian NFI Identification and detection of sample trees at the inventory plot with relascope and compass. Copyright: BFW |
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Austrian NFI DBH measurement at the inventory plot with the view towards the center of the sampling plot. Copyright: BFW |
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Belgian NFI Setting up of a permanent sample plot: 1) Metal pipe to locate the center of the plot; 2) Marked tree to locate the plot; 3) Measurements and encoding, and; 4) Point of measurement mark Copyright: I.P.R.F.W. |
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Swiss NFI Switzerland is a mountain country. Nearly half of its forests primarily protect settlements and traffic infrastructure against natural hazards. Copyright: S. Speich/WSL |
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Swiss NFI Data on Swiss forests is not only collected by analyzing aerial photographs and field surveys, but also by interviewing Swiss foresters. Screenshot from documentary by frame eleven, NFI |
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Czech NFI Field measurement during NFI2 Copyright: FMI Brandys nad Labem, 2014 |
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Finnish NFI Field plot measurement using Sonar electronic calliber for tree mapping and GNSS device for accurate mapping of the plot center. Copyright: E.Oksanen/Luke |
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French NFI Complete inventories of plant species present in plots Copyright: French NFI |
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French NFI Growing stock measured by terrestrial LiDAR Copyright: French NFI |
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German NFI Dbh measurement with diamter measuring tape Copyright: Thünen Institute |
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German NFI Field computer displaying marginal circles of ACS sampling trees Copyright: Thünen Institute |
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German NFI Field crew with equipment Copyright: Thünen Institute |
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Norwegian NFI Measurement of lying deadwood in Norway
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Norwegian NFI Inventory work near the tree line in western Norway Copyright: R. Eriksen/NIBIO |