Name of scheme: Extensive monitoring of terrestrial birds in Norway (TOV-E)

Organisation: BirdLife Norway and Norwegian institute for Nature Research
Status: ongoing
Start: 2005 (+ data from old network from 1996, see below)
Number of fieldworkers: 250
Species: About 80
Habitats recorded: yes (within 50 m radius)
Methods: point counts(+ line counts for rare species)
Selection of plots: Approx. 500 sites randomly selected among 1030 sites distributed systematically over Norway in an 18 km north-south and 18 km east-west network.
Sustainable support: yes


Fraixedas, S., Lindén, A., Meller, K., Lindström, Å., Keišs, O., Kålås, J.A., Husby, M., Leivits, A., Leivits, M. & Lehikoinen, A. (2017) Substantial decline of Northern European peatland bird populations: consequences of drainage. Biological Conservation, 214, 223-232.

Lindström, Å., Green, M., Husby, M., Kålås, J.A. & Lehikoinen, A. (2015) Large-scale monitoring of waders on their boreal and arctic breeding grounds in northern Europe. Ardea, 103, 3-15.

Kålås, J.A., Husby, M. (2002) Monitoring program for terrestrial ecosystems. Extensive monitoring of terrestrial birds in Norge. – NINA Oppdragsmelding 740, 25 p. (In Norwegian with English summary)

Kålås, J. A., Husby, M., Nilsen, E. B. & Vang, R. (2014) Population dynamic for terrestrial birds in Norway 1996-2013. – NOF-Report 4-2014, BirdLife Norway, Trondheim. 36 pp (in Norwegian)

Lehikoinen, A., Green, M., Husby, M., Kålås, J.A. & Lindström, Å. (2014) Common montane birds are declining in northern Europe. – Journal of Avian Biology 45: 3-14.

National indicators: The Norwegian Nature index; Farmland, Forest and Mountain Bird Indices

John Atle Kålås
, Norwegian institute for Nature Research, Postboks 5685 Sluppen, 7485 Trondheim, Norway, e-mail:
Magne Husby, BirdLife Norway, Sandgata 30 B, 7012 Trondheim, and Section of Science, Nord University, 7600 Levanger, Norway, e-mail:

Indicators produced are used as official indicators in the country: yes

Name of scheme: Norwegian Breeding Bird Census

Organisation: Norwegian Ornithological Society and Nord-Trøndelag University College
Status: finished
Start: 1995 (terminated 2008)
Number of fieldworkers: 120
Species: 58
Habitats recorded: yes
Methods: point counts
Selection of plots: free choice
Sustainable support: no
Reference: Husby, M. (2003): Point count census using volunteers of terrestrial breeding birds in Norway, and its status after six years. Ornis Hungarica 12-13: 63-72.

National indicators: Farmland Bird Index