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

ICP Forests scientists receive Marin Drăcea Award

The Romanian National Institute for Research and Development in Forestry celebrated its 85th anniversary by means of an international scientific conference from 17–21 September 2018. During the celebration, the name giver of the institute, Professor Marin Drăcea (1885–1958), was honoured as the promoter of modern silviculture in Romanian forestry and a bust of him was unveiled. The celebration also included grants of the “Marin Drăcea Award and Diploma of Excellence” to Dr. Marco Ferretti, Chairman of ICP Forests, Dr. Walter Seidling, Head of PCC of ICP Forests, and Dr. Martin Lorenz, former Head of PCC of ICP Forests.

Honoured for their co-operation in the field of international forest monitoring (from left): Dr. Walter Seidling, Dr. Marco Ferretti und…


Posted by Alexa Michel on October 11, 2018 at 9:49

ICP Forests 2018 Technical Report now available online

We are happy to inform you that the 2018 Technical Report of ICP Forests - Forest Condition in Europe is now available online.

With best wishes
Alexa Michel
Programme Co-ordinating Centre of ICP Forests

Posted by Alexa Michel on October 9, 2018 at 15:00

Announced Position: Head of PCC

Dear all,

The position of the Head of PCC is announced by the Thuenen Institute to be filled according to the conditions described in the linked advertisement: 18-164-WO-engl_0.pdf. Please, consider an application by yourself or forward the application to those who might be interested.

Best regards


Posted by Walter Seidling on September 15, 2018 at 9:30

9th Deposition and soil solution Working Ring Test 2018/2019

The Polish Forest Research Institute invite all laboratories that perform deposition and soil solution analyses in ICP-Forests programme to participate in the 9th Working Ring Test in order to assess the quality of the deposition and soil solution data collected in the ICP Programme on the Intensive Monitoring of Forest Ecosystems (EC-UN/ECE ICP Forests).

The registration deadline is 19th October 2018.

All necessary information you will find in the enclosed document.

If you have any questions, do not hesitate to contact Anna Kowalska…


Posted by Alfred FÜRST on September 14, 2018 at 14:00


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

Rositsa Yaneva commented on Rositsa Yaneva's event 'International Scientific Conference - 90 years FOREST RESEARCH INSTITUTE - Bulgarian Academy of Sciences'
"The conference was attended by more than 120 scientists, international experts, leading specialists and representatives of various Bulgarian and international institutions who shared experience and knowledge, and discussed on projects in the…"
18 hours ago
Mosaad Kotb Hassanein is now a member of ICP Forests
19 hours ago
Alexa Michel updated an event

Joint EP Meeting on Crown Condition, Soil & Soil Solution, Foliar and Litterfall, Deposition and QA/QC in labs at Brussels

March 25, 2019 to March 29, 2019
Please save the date.The next combined meeting of the Expert Panels on Crown Condition, Soil & Soil Solution, Foliar and Litterfall, Deposition and QA/QC in Laboratories will be heldin Brussels, 25-29 March 2019.More information will follow soon.See More
Hannu Marttila is now a member of ICP Forests
Nov 14
Profile IconKira, Branko Kocevski, Daniel Petráš and 1 more joined ICP Forests
Nov 5
Profile IconM van Eupen, Christine TAYEH, Kristine Valujeva and 1 more joined ICP Forests
Oct 29
Alexa Michel updated an event

IUFRO 2019 XXV World Congress, Curitiba, Brazil at Curitiba, Paraná, Brazil

September 29, 2019 to October 5, 2019
Dear Colleagues We are pleased to advertise our session on Long-Term Forest Monitoring Networks for Evaluating Responses to Environmental Change at the IUFRO 2019 XXV World Congress in Curitiba, Brazil. This session aims to attract scientists, managers and stakeholders who are keen to understand large-scale, long-term effects of rapidly changing environmental drivers on forest ecosystems, to advance forest monitoring systems from local to global scale. The session offers the opportunity…See More
Oct 19
Profile IconUğur KARAKOÇ and Angelo Rita joined ICP Forests
Oct 18

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