Welcome to ICP Forests

– the International Co-operative Programme on Assessment and Monitoring of Air Pollution Effects on Forests operating under the UNECE Convention on Long-range Transboundary Air Pollution (CLRTAP) –

A programme aiming at a comprehensive compilation of information on the condition of forests in Europe and beyond

ICP Forests was launched in 1985 under the Convention on Long-range Transboundary Air Pollution (CLRTAP) of the United Nations Economic Commission for Europe (UNECE) in response to wide public and political concern over extensive forest damage that had been observed in Europe in the beginning of the 1980s. ICP Forests monitors forest condition in Europe at two monitoring intensity levels: The Level I monitoring is based on around 6000 observation plots on a systematic transnational grid of 16 x 16 km throughout Europe and beyond to gain insight into the geographic and temporal variations in forest condition while the Level II intensive monitoring comprises around 500 plots in selected forest ecosystems with the aim to clarify cause-effect relationships. At present 42 countries participate in ICP Forests.

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Blog Posts

Position open for catchment biogeochemist at Norwegian Institute for Water Research (NIVA), Oslo

The Norwegian Institute for Water Research (NIVA) in Oslo is looking for a researcher in catchment biogeochemistry with a strong interest in water chemistry in semi-natural boreal and temperate catchments, and an understanding of long-term biogeochemical change, including acid-base chemistry, related to air pollution and climate.

More information

Posted by Alexa Michel on June 27, 2018 at 11:32

Draft minutes from the 2018 ICP Forests Task Force meeting available online

The draft minutes from the ICP Forests Task Force meeting in Riga, 24-25 May 2018, are now available on the ICP Forests website. Their final version will be adopted at the next Task Force meeting in 2019.

Posted by Alexa Michel on June 25, 2018 at 11:12

Nature publication on mycorrhizal fungi by Imperial College London and ICP Forests partners

We are very happy and proud to announce that yesterday evening the study on "Environment and host as large-scale controls of ectomycorrhizal fungi“ by Sietse van der Linde and others  (2018) was published in Nature. Please, have a look at https://www.nature.com/articles/s41586-018-0189-9. 

This important publication is based on a close cooperation between the Imperial College London and ICP Forests partners, bringing together methods of specialists on fungi and mycorrhizas and data and experience of transcontinental air pollution monitoring. As a major result, the study recommends a down-ward adjustment of critical loads for eutrophying nitrogen for forests in order to keep the balance between mycorrhizal fungi and forest trees…


Posted by Anne-Katrin Prescher on June 7, 2018 at 18:00

Diversity — Open Access Journal of Biodiversity invites manuscripts on lichen diversity and biomonitoring for special issue

Diversity (ISSN 1424-2818; CODEN: DIVEC6) is an open access journal on the science of biodiversity published quarterly online by MDPI.

They encourage researchers to send their manuscript on the following topics:

  • Empirical studies on the effects emerging air pollutants on lichen communities;
  • Investigating environmental factors, as covariates of lichen diversity;
  • Temporal and spatial patterns of lichen diversity as a function of disturbances;
  • Monitoring climate change by means of lichen diversity shifts;
  • Effects of forest management on lichen communities and populations;
  • The use of lichen functional traits in biomonitoring;
  • Theoretical aspects related to the quantification and to the interpretation of lichen diversity.…

Posted by Alexa Michel on June 5, 2018 at 9:01


Choosing brands for some instruments 1 Reply

Dear colleagues,It is planned to purchase a new mill, Kjeldahl Steam Distillation System for N analysis and combined system to analyze pH, EC and alkalinity for water samples for my lab. 1. There are…Continue

Started by Rabia GUNHAN. Last reply by Robert Menegotto Apr 30.

What is the Integrated Pest Management (IPM) or Integrated Pest Control (IPC), what is its role in protecting our Environment?

I would like to ask on IPM and how benefits us in protecting the environment?Continue

Started by Mohamed Dadamouny Dec 19, 2016.

Upcoming workshop: Environmental change and forest ectomycorrhizal fungi. 8-9 October 2015

Dear all,I would like to announce that we will organise a workshop on 8-9 October 2015 at the Royal Botanic Gardens Kew in London, with the topic environmental change and forest ectomycorrhizal…Continue

Started by Sietse van der linde Mar 30, 2015.

Soil Sample Laboratory Test 1 Reply

I would like to know about Soil Sample Laboratory Test, are we going to have it in 2014 year. Best regards, Radovan Nevenic, NFC Serbia.Continue

Started by Radovan Nevenic. Last reply by Nathalie Cools May 7, 2014.


Latest Activity

Mauro Valdir Schumacher posted photos
4 hours ago
Anne-Katrin Prescher updated an event

14th Ozone Intercalibration Course, Poreč, Croatia at Poreč, Istria, Croatia

September 10, 2018 to September 13, 2018
Field intercalibration courses are an important quality assurrance measure of ICP Forests. Here the identification of visible ozone symptoms is trained in the field.The Programme is developed by Marcus Schaub, Elena Gottardini and Nenad Potočić .Details on Registration and accommodation:Invitation letter…See More
Profile IconReinhard Müller, Tisserand Romane, Mauro Valdir Schumacher and 1 more joined ICP Forests
Andrea Hevia is now a member of ICP Forests
Jul 10
Alexa Michel updated an event

Joint Expert Panel Meeting at Zvolen/Slovakia

October 1, 2018 to October 5, 2018
The joint Expert Panel (EP) Meeting this year invites experts from:- EP Biodiversity and Ground Vegetation- EP Forest Growth- EP Meteorology, Phenology and Leaf Area Index- EP Ambient Air QualityHere you will see the first draft schedule: Schedule_first_draft.pdfRegistration is now available…See More
Jul 4
FRANMA SANCHEZ CALLADO is now a member of ICP Forests
Jul 4
Anne-Katrin Prescher posted an event

4th International Congress on Planted Forests at Beijing, China

October 23, 2018 to October 27, 2018
The 4th International Congress on Planted Forests (http://icpf2018.com) will be held during 23-27 October 2018 in Beijing, China.The IUFRO unit 7.01.03 (Atmospheric deposition, soils and nutrient cycles) will hold a session on impacts of climate change and air pollution on forest ecosystems (ID B-13).Abstract…See More
Jul 3
Profile IconDr. Nihal Özel and Hafize Handan ÖNER joined ICP Forests
Jul 2

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