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Publication Developing a forest naturalness indicator for Europe
Concept and methodology for a high nature value (HNV) forest indicator: European forests are a complex mosaic of conditions, constantly influenced by internal dynamics and external pressures determined by natural and anthropogenic factors. This report documents the first steps for the development of a forest naturalness indicator for Europe. An enhanced European HNV forest indicator and its corresponding map will enable us to gain better insight into the current status and extent of forest naturalness, and will allow for further analyses on spatial and time trends.
Located in Publications
Indicator Assessment Exposure of ecosystems to acidification, eutrophication and ozone (CSI 005) - Assessment published Dec 2013
Eutrophication The magnitude of the risk of ecosystem eutrophication and its geographical coverage has diminished only slightly over the years. The predictions for 2010 and 2020 indicate that the risk is still widespread over Europe. This is in conflict with the EU's long-term objective of not exceeding critical loads of airborne acidifying and eutrophying substances in sensitive ecosystem areas (National Emission Ceilings Directive, 6th Environmental Action Programme, Thematic Strategy on Air Pollution). Acidification The situation has considerably improved and it is predicted to improve further. The interim environmental objective for 2010 (National Emission Ceilings Directive) will most likely not be met completely. However, the European ecosystem areas where the critical load will be exceeded is predicted to have declined by more than 80 % in 2010 with 1990 as a base year. By 2020, it is expected that the risk of ecosystem acidification will only be an issue at some hot spots, in particular at the border area between the Netherlands and Germany. Ozone Most vegetation and agricultural crops are exposed to ozone levels exceeding the long term objective given in the EU Air Quality Directive. A significant fraction is also exposed to levels above the 2010 target value defined in the Directive. Compared to 2009, the ozone indicators show a mixed behavior  Averaged over all rural background stations, the concentration relevant for the exposure of crops is slightly higher. However, the agricultural area exposed to concentrations above the target value did not increase in 2009 and 2010 compared to previous years, but the area exposed to levels between 12 000 and 18 000 (µg/m 3 ).hour is larger than in the previous years. With respect to the exposure of forests, the concentrations are similar compared to previous years. The effect-related concentrations, addressing exposure of crops to ozone over several summer months, show large year-to-year variations. Over the period 1996-2010 there is a tendency to increased exposure until 2006; and a tendency to decreasing levels after 2006. However, due to the large year-to-year variations, this development has not proven to be statistically significant.
Located in Data and maps Indicators Exposure of ecosystems to acidification, eutrophication and ozone
Figure Rural concentration map of the ozone indicator AOT40 for forest in 2010
The gradient of the AOT40f values is similar to those of the AOT40c for crops: relative low in northern Europe, and the highest values observed in the countries around the Mediterranean. The critical level is met in north Scandinavia, Ireland, part of the UK and in the coastal regions of the Netherlands (total forested area with concentrations below the critical level is 22 % of a total area of 1.44 million km2). In south Europe levels may be as high as 4-5 times above the critical level.
Located in Data and maps Maps and graphs
Figure Troff document Concentration status for the target value threshold for protection of human health (top) and objectives for protection of crops (bottom left) and forests (bottom right), in 2011
The graphs are based on: the 93.15 percentile of the daily maximum of the running 8-h mean O3 concentrations (in μg/m3), corresponding to the 26th highest as defined by the target value, and for the various types of stations (top); AOT40 concentrations (in (μg/m3).h) measured in rural stations in the EU for the protection of vegetation (accumulated over May to July) (bottom left); and AOT40 concentrations (in (μg/m3).h) measured in rural stations in the EU for the protection of forests (accumulated over April to September) (bottom right). The CLRTAP critical level for the protection of forests (Mills et al., 2011) is set at 10 000 (μg/m3).h for AOT40 (the accumulated dose of O3 over a threshold of 40 ppb, equivalent to 80 μg/m3, from 1 April to 30 September).
Located in Data and maps Maps and graphs
Figure Ozone AOT40 for forest, 2010
The map shows the exposure of European forest areas to ozone (AOT40), reference year 2010
Located in Data and maps Maps and graphs
Figure Impacts and consequences of climate change on forest growth and forest conditions
Table shows the impacts and consequences of climate change on forest growth and forest conditions.
Located in Data and maps Maps and graphs
Indicator Assessment Exposure of ecosystems to acidification, eutrophication and ozone (CSI 005) - Assessment published Nov 2012
Eutrophication The magnitude of the risk of ecosystem eutrophication and its geographical coverage has diminished only slightly over the years. The predictions for 2010 and 2020 indicate that the risk is still widespread over Europe. This is in conflict with the EU's long-term objective of not exceeding critical loads of airborne acidifying and eutrophying substances in sensitive ecosystem areas (National Emission Ceilings Directive, 6th Environmental Action Programme, Thematic Strategy on Air Pollution). Acidification The situation has considerably improved and it is predicted to improve further. The interim environmental objective for 2010 (National Emission Ceilings Directive) will most likely not be met completely. However, the European ecosystem areas where the critical load will be exceeded is predicted to have declined by more than 80 % in 2010 with 1990 as a base year. By 2020, it is expected that the risk of ecosystem acidification will only be an issue at some hot spots, in particular at the border area between the Netherlands and Germany. Ozone (O 3 ) Most vegetation and agricultural crops are exposed to ozone levels exceeding the long term objective given in the EU Air Quality Directive. A significant fraction is also exposed to levels above the 2010 target value defined in the Directive. Concentrations in 2009 were on the average lower than in 2008. The effect-related accumulated concentrations, addressing exposure of crops to ozone over several summer months, shows large year-to-year variations. Over the period 1996-2009 there is a tendency to increased exposure, although this development has not proven to be statistically significant.  
Located in Data and maps Indicators Exposure of ecosystems to acidification, eutrophication and ozone
Figure Rural concentration map of the ozone indicator AOT40 for forest in 2009
The gradient of the AOT40f values is similar to those of the AOT40c for crops: relative low in northern Europe, and the highest values observed in the countries around the Mediterranean. The critical level is met in north Scandinavia, Ireland, part of the UK and in the coastal regions of the Netherlands (total forested area with concentrations below the critical level is 22 % of a total area of 1.44 million km2). In south Europe levels may be as high as 4-5 times above the critical level.
Located in Data and maps Maps and graphs
Figure reStructured Text Rural concentration map of the ozone indicator AOT40 for forest in 2008
The gradient of the AOT40f values is similar to those of the AOT40c for crops: relative low in northern Europe, and the highest values observed in the countries around the Mediterranean. The critical level is met in north Scandinavia, Ireland, part of the UK and in the coastal regions of the Netherlands (total forested area with concentrations below the critical level is 22 % of a total area of 1.44 million km2). In south Europe levels may be as high as 4-5 times above the critical level.
Located in Data and maps Maps and graphs
Publication It's beautiful!
A story in the "Our Natural Europe" series
Located in Publications
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