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Phosphorus concentrations in lakes (total phosphorus) between 1992 and 2009 in different geographical regions of Europe.: The data series per region are calculated as the average of the annual mean for lake monitoring stations in the region. Only complete series after inter/extrapolation are included (see indicator specification). There were no stations with complete series after inter/extrapolation in the South and Southeast regions. The number of lake monitoring stations included per geographical region is given in parentheses
Located in Data and maps › Maps and graphs
Percentage of natural, heavily modified, artificial and unknown status for river, lake, transitional and coastal water bodies: The graphs illustrate the designation of heavily and artificial water bodies
Located in Data and maps › Maps and graphs
Distribution of chemical status of groundwater, rivers, lakes, transitional and coastal waters.: Number of Member States contributing to the dataset: Groundwater (26); Rivers (25); Lakes (22); Transitional (15) and Coastal (20). Percentages shown for rivers, lakes, transitional and coastal are by water body count. Groundwater percentages, however, are expressed by area. The total number of water bodies is shown in parenthesis. Data from Sweden are excluded from surface water data illustrated in the figure. This is because Sweden contributed a disproportionately large amount of data and, classified all its surface waters as poor status since levels of mercury found within biota in both fresh and coastal waters exceed quality standards.
Located in Data and maps › Maps and graphs
Proportion of classified water bodies in different RBDs affected by pollution pressures, for rivers and lakes (left panel) and for coastal and transitional waters (right panel): The percentage is based on total number of classified water bodies. See the indicator specification for more details.
Located in Data and maps › Maps and graphs
Conservation status of river and lake habitat types and species, and conservation status of coastal and transitional waters habitat types of European interest: -
Located in Data and maps › Maps and graphs
Proportion of classified surface water bodies in different RBDs holding less than good ecological status or potential, for rivers and lakes (left panel) and for coastal and transitional waters (right panel): The figure shows percentage of the total number of classified water bodies. See the indicator specification for more details.
Located in Data and maps › Maps and graphs
Lake and river ice cover (CLIM 020) - Assessment published Sep 2008: The duration of ice cover in the northern hemisphere has shortened at a mean rate of 12 days per century, resulting from an average 5.7 days later ice cover and 6.3 days earlier ice break-up. The strongest trends in northern Europe are in the timing of ice break-up which is consistent with the fastest warming in winter and spring. The ice cover of lakes with mean winter temperature close to zero is much more dependent on temperature change than lakes in colder regions such as northern Scandinavia.
Located in Data and maps › Indicators › Lake and river ice cover
Water temperature (CLIM 019) - Assessment published Sep 2008: During the last century the water temperature of some European rivers and lakes increased by 1-3 o C, mainly as a result of air temperature increase, but also locally due to increased inputs of heated cooling water from power plants. In line with the projected increases in air temperature, lake surface water temperatures may be around 2 o C higher by 2070.
Located in Data and maps › Indicators › Water temperature
Phosphorous levels in the water of large mountain lakes in Switzerland: -
Located in Data and maps › Maps and graphs
Ecological status or potential of lake water bodies in different Member States (a), and proportion of lake water bodies affected by diffuse pollution and hydromorphology pressures (b): The graphs illustrate the ecological status of lake water bodies (a) and percentage of lake water bodies affected by diffuse pollution and hydromorphology pressures
Located in Data and maps › Maps and graphs