1. Item 3/4: ICP Forests Report
Walter Seidling, Marco Ferretti
Geneva, March 2017
March 2017

2. ICP Forests: New Chairperson
The German Ministry for Nutrition and Agriculture representing the lead country
a new chairperson of the ICP Forests has been nominated.
It is:
Dr. Marco Ferretti,
WSL, Birmensdorf/Switzerland
Mar. 2017
Walter Seidling

3. ICP Forests Publications
Reports
- ICP Forests 30 y Anniversary Report 2016
- Technical Report 2016
Update 2016 of the ICP Forests Manual Part III to XVII
March 2017
Walter Seidling

4. Technical Report 2016 Contents
1 INTRODUCTION
2 THE MONITORING AND RESEARCH INFRASTRUCTURE OF ICP FORESTS
3 TREE CROWN CONDITION AND DAMAGE CAUSES
4 SPATIAL VARIATION OF ATMOSPHERIC DEPOSITION IN EUROPE IN 2014
5 SPATIAL / TEMPORAL DISTRIBUTION OF OZONE SYMPTOMS ACROSS EUROPE
6 RING TESTS (QA, QC) FOR THE COMPARABILITY OF ANALYTICAL DATA
7 THE ICP FORESTS LEVEL I BIODIVERSITY DATA
8 ACTIVITIES EXPERT PANELS, WORKING GROUPS, AND COMMITTEES
9 REVIEW OF THE 4TH ICP FORESTS SCIENTIFIC CONFERENCE, LJUBLJANA, MAY
10 ONGOING ICP FORESTS PROJECTS
11 OVERVIEW ON SCIENTIFIC ICP FORESTS PUBLICATIONS IN 2015/16
12 NATIONAL REPORTS ON THE 2015 NATIONAL CROWN CONDITION SURVEYS
ANNEXES: e.g.: Activities of groups.
Mar. 2017
Walter Seidling

5. TR 2016 Map: Crown Condition, overview all species
Mediterran. lowland pines: development over time
Mar. 2017
Walter Seidling

6. TR 2016 Damages symptoms agent groups and tree species/species groups
Mar. 2017
Walter Seidling

7. TR 2016 Throughfall deposition SO4-S NH4-N and NO3-N mapping WP
Mar. 2017
Walter Seidling

8. TR 2016 Throughfall deposition , Mg and seasalt corrected Mg Mar. 2017
Walter Seidling

9. TR 2016 WP Background: ozone conc. Apr.- Sep.
Points: frequencies of symptoms observed on all species; similar: map for beech
Mar. 2017
Walter Seidling

10. Quality Assurance/Quality Controll: Ring Tests
Mar. 2017
Walter Seidling

11. ICP Forests meetings and contributions to meetings of other ICPs
Joint Expert Panel Meeting in Piteşti/Romania: EP Growth, EP Biodiversity/ Ground Vegetation, EP Meteorology/Phenology/LAI , 18 – 21 April 2016
32nd Task Force Meeting: 10 – 13 May 2016 in Luxembourg back to back with
5th Scientific Conference of ICP Forests „Long-term trend and effects of air pollution on forest ecosystems, their services, and sustainability “
Contribution of PCC to TFM Modelling and Mapping at Dessau/Germany 2016
Contribution of PCC to TFM Vegetation at Poznan/ Poland 2017
Mar. 2017
Walter Seidling

12. Scientific Publications 2016/2017
1 Achat D.L. et al., 2016: Soil properties controlling inorganic phosphorus availability - Generic results from a national forest network and a global compilation of the literature. Biogeochemistry 127:
2 Verstraeten, A., et al., 2016: Increasing trends of dissolved organic nitrogen (DON) in temperate forests under recovery from acidification in Flanders, Belgium. Science of the Total Environment 553:
3 Camino-Serrano M., et al., 2016: Trends in soil solution dissolved organic carbon (DOC) concentrations across European forests. Biogeosciences 13:
4 Vanguelova, E.I., et al. 2016: Sources of errors and uncertainties in the assessment of forest soil carbon stocks at different scales — review and recommendations. Environ. Monit. Assess. 188 (11): 630.
5 Kowalska, A. et al., 2016: Atmospheric deposition in coniferous and deciduous tree stands in Poland. Atmospheric Environment 133: 145–155.
6 Kowalska, A., et al., 2016: Spatial variability of throughfall in a stand of Scots pine (Pinus sylvestris L.) with deciduous admixture as influenced by canopy cover and stem distance. J. Hydrol. 538: 231–242.
7 Hůnová, I., et al., 2016: Towards a better spatial quantification of nitrogen deposition: A case study for Czech forests. Environment Pollution 213: . WP WP
Mar. 2017
Walter Seidling

13. Scientific Publications 2016/2017WP
8 Sardans, J. et al., 2016: Factors influencing the foliar elemental composition and stoichiometry in forest trees in Spain. Perspectives Plant Ecology Evolution and Systematics 18: 52-69
9 Sánchez-Salguero, R., et al. 2017: Analysing atmospheric processes and climatic drivers of tree defoliation to determine forest vulnerability to climate warming. Forests 8: 13 (17 p.).
10 Pollastrini, M. et al. , 2016: Physiological significance of forest tree defoliation: Results from a survey in a mixed forest in Tuscany (central Italy). Forest Ecology and Management 361:
11 Van Dobben, H.F., de Vries, W., 2017 : The contribution of nitrogen deposition to the eutrophication signal of understorey plant communities of European forests. Ecology and Evolution 7:
12 Rizzetto, S., et al. 2016: Modelling the impact of climate change and atmospheric N deposition on French forests biodiversity. Environment Pollution 213:
13 Tonteri T., et al., 2016: Forest management regulates temporal change in the cover of boreal plant species. Forest Ecology and Management 381: 115–124. WP WP
Mar. 2017
Walter Seidling

14. Next main activities Executive Report 2016
Last two pending chapters of the ICP Forests Manual
Book of Abstracts Scientific Conference 2017
Technical Report 2017
ICP Forests Brief (new format)
Mar. 2017
Walter Seidling

15. Next meetings of ICP Forests:
ICP Forests Task Force Meeting at Luxembourg 2016
Next meetings of ICP Forests:
- Combined Expert Panel Meeting at Zagreb/Croatia, 27 Mar – 1 Apr 2017
Next Task Force Meeting at Bucharest/Romania, 15 – 19 May 2017
Ozone injury training and intercalibration course, Trento, 28 – 31 August 2017
Thank you for attention
Walter Seidling