AR18  18 The Norwegian response to ”LUCAS” Strand, Geir-Harald Director / Prof. Dr. Scient Norwegian forest and landscape institute Raveien 9 POBox 115, 1431 Ås, Norway Tel : ++47 / Fax : ++47 /

Land resource accounting Situation: No uniform land resource statistics Needs: Documentation of land cover and land use Account for changes Develop (political) goals Audit management and development

History Proposed in 1977 SSB attempt in 1981 Dead throughout the 1990’ies 2003 SSB & NIJOS initiative Supported by Ministry of Agriculture and Food Land resources – not agriculture System based on LUCAS v1

Sampling unit PSU is 600  1500 meters (0,9 km 2 ) 10 SSU placed within the PSU

Sampling unit A sampling unit at a random location (Defined in UTM-33 – drawn in UTM-32)

Sampling frame Area frame survey on an 18  18 km grid 0,9 km 2 primary sampling units Each representing 324 km 2 (Factor 360)

National coverage Approximately 1080 PSUs Norway   Telemark county A cluster sample with n=1 from N=360

Preparations Using existing maps scale 1:5,000  Adding field data for remaining areas  (including editing)

Field survey Registration directly on aerial photographs Carried out in the field Classification system(s)

Field survey Registration forms based on LUCAS v1  with national additions 

Measurements and counts Registrert areal på feltflate 2028 Mosesnøleie 53,3 da Grassnøleie139,2 da Frostmark, letype106,3 da Lavhei281,5 da Rishei128,7 da Grasmyr186,6 da Vann 3,2 da Totalt898,8 da

Regional summary

Descriptions Areal (km² og %)Forekomst 623,25,324 flater (69%) Example: Swamp forest

Biodiversity

Pasture

Test period Cost: EUR 750 per sampling unit (average. Highly variable) Northern Norway – EUR 1200 expected Time: Two units/day in central areas with road Bicycle is useful on logging roads Worst case so far: 9 hours trekking

Coverage sampling units (almost 20%) 2006: Another 80 – 100 units One test report Data for four more reports Started trials with cultural sites Started trials with soil mapping