Guidelines & Tools

ICP Forests Manual

Published
2025
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The ICP Forests Monitoring Manual documents the harmonized methods for sampling and analysis as adopted by the participating countries of ICP Forests.

  • Part I: Objectives, strategy and implementation of ICP Forests
  • Part II: Basic design principles for the ICP Forests monitoring networks
  • Part III: Quality assurance within the ICP Forests monitoring programme
  • Part IV: Visual assessment of crown condition and damaging agents
  • Part V: Tree growth Level II
  • Part VI: Phenological observations
  • Part VII: 1. Biological diversity - Assessment of ground vegetation
  • Part VII: 2. Biological diversity - Assessment of epiphytic lichen diversity
  • Part VIII: Assessment of ozone injury
  • Part IX: Meteorological measurements
  • Part X: Sampling and analysis of soil - Annex I
  • Part X: Sampling and analysis of soil - Annex II
  • Part XI: Soil solution collection and analysis
  • Part XII: Sampling and analysis of needles and leaves
  • Part XIII: Sampling and analysis of litterfall
  • Part XIV: Sampling and analysis of deposition
  • Part XV: Monitoring of air quality
  • Part XVI: Quality assurance and control in laboratories
  • Part XVII: Leaf area measurements