Swiss NFI

Accurate and precises measurements at the inventory plot.


Copyright: B. Basler/WSL


  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.

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Copyright: BFW

  Austrian NFI

Identification and detection of sample trees at the inventory plot with relascope and compass.

Copyright: BFW

  Austrian NFI

DBH measurement at the inventory plot with the view towards the center of the sampling plot.


Copyright: BFW

  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

    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.

  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

  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

  Czech NFI


Field measurement during NFI2


Copyright: FMI Brandys nad Labem, 2014

  French NFI

Complete inventories of plant species present in plots


Copyright: French NFI

  French NFI

Growing stock measured by terrestrial LiDAR


Copyright: French NFI



 

Norwegian NFI

Measurement of lying deadwood in Norway


Copyright: R. Eriksen/NIBIO


  Norwegian NFI


Inventory work near the tree line in western Norway


Copyright: R. Eriksen/NIBIO