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Around 18 % of surface water bodies had no identified significant pressures, while 36 % of surface water bodies are affected by 1 pressure, and 39% are affected by multiple (more than one) significant pressures (Figure 6.3). Diffuse pollution and hydromorphology is the most common combination of two-pressures in rivers and lakes (respectively ca. 62 % and 71% of WBs with two-pressures combinations), followed by point and diffuse pollution. In contrast, the most common combination in transitional and coastal waters is point and diffuse source pollution (59 % of transitional and coastal water bodies with two-pressures combinations). Excluding pressures from atmospheric deposition one third of the water bodies are having pressures compared to 40 % of water bodies are in high and good ecological status.
Figure 6.3. Proportion of surface water bodies impacted simultaneously by single, multiple or no pressures at all; A) All pressures and B*) excluding pressures from atmospheric deposition.
Note: The diagram without pressure from atmospheric deposition gives a better indication of proportion of water bodies affected by no pressure or multiple pressures in relation to ecological status.
Source: Preliminary results based on WISE-SOW database – 25 Member States 2017.
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"Excluding pressures from atmospheric deposition one third of the water bodies are having pressures compared to 40 % of water bodies are in high and good ecological status." this sentence is not very clear...
"Diffuse pollution and hydromorphology is the most common combination of two-pressures in rivers..."
In fact, 64% of WB is affected by more than 1 significant pressure. It is unclear how 39% is calculated.
BE-WAL (EC): p. 57 last §
47 % (26+15+6) instead of 39%? See chart 1
BE-WAL (EC): p. 57 figure 6.3
The colour choice is not appropriate
SK: Figure 6.3: Adjust the legend for “, 2, 3, 4”in the chart.