Degree of synergistic effects and conflicts according WFD aims
Table 2: Effect of the measure concerning the main pressures in the mesohaline zone of the Elbe estuary
| Indicator Group |
Code |
Main pressures mesohaline zone Elbe |
Effect? |
Description: Effects of the measure “Medemrinne Ost” |
| - - |
- |
0 |
+ |
+ + |
| S.I. |
- |
Habitat loss and degradation during the last about 100 years: Subtidal |
|
|
0 |
|
|
|
| S.I. |
1.1 |
Habitat loss and degradation during the last about 100 years: Intertidal |
|
|
0 |
|
|
| S.I. |
1.4 |
Gross change in morphology during the last about 100 years |
|
|
|
+ |
|
Reducing the depth of the Medemrinne will mitigate the loss of sediments out of the estuary mouth which occurred over the last 50 years. |
| S.I. |
3.1 /3.2 |
Decrease of water and sediment chemical quality |
|
|
0 |
|
|
|
| D.I. |
2.6 |
Capital dredging |
|
|
|
|
++ |
The measure will be implemented to lower the unfavorable effects of capital and maintenance dredging |
| D.I. |
2.5. |
Maintenance dredging |
|
|
|
+ |
|
| D.I. |
2.3 |
Discharge of nutrients or harmful substances |
|
|
0 |
|
|
|
S.I. = state indicator; D.I. = driver indicator
The measure Medemrinne Ost is not related to the aims of the WFD, nevertheless the measure will be implemented to mitigate the dredging-effects and therefore it is also a measure to lower one of the main pressures in the mesohaline zone.
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