Difference between revisions of "European methods for WFD"
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The main gap in methods implemented by EU countries for the WFD is the lack of consideration of physical processes (i.e. cause-effect of alterations), when physical habitat assessment is used alone. The 5 identified categories of methods need to be considered as part of an overall hydromorphological assessment. | The main gap in methods implemented by EU countries for the WFD is the lack of consideration of physical processes (i.e. cause-effect of alterations), when physical habitat assessment is used alone. The 5 identified categories of methods need to be considered as part of an overall hydromorphological assessment. | ||
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==Rivertypes== | ==Rivertypes== | ||
Revision as of 14:17, 31 January 2013
European methods for WFD
Type
Hydromorphological assessment methods
Summary
In this section we overview the assessment methods which are commonly used and/or have been formally approved for the implementation of the WFD in each EU country. We reviewed 21 methods in total (Figure 1).
Given that parts of these methods are only published in the national language, this review is mainly limited to those methods for which some information in English was available (papers, English summaries, etc.).
The main gap in methods implemented by EU countries for the WFD is the lack of consideration of physical processes (i.e. cause-effect of alterations), when physical habitat assessment is used alone. The 5 identified categories of methods need to be considered as part of an overall hydromorphological assessment.
Status concerning the WFD
Rivertypes
- Catchment
- Catchment
- Segment
- Segment
- Reach
- Reach
- Geomorphic unit
- Geomorphic unit
- Hydraulic unit
- Hydraulic unit
Related Pressures
- Surface water abstraction
- Groundwater abstractions
- Hydropeaking
- Hydrological regime modification
- Discharge diversions and returns
- Artificial barriers downstream from the site
- Artificial barriers upstream from the site
- Alteration of instream habitat
- Sand and gravel extraction
- Sedimentation and sediment input
- Embankments, levees or dikes
- Loss of vertical connectivity
- Impoundment
- Alteration of riparian vegetation
- Channelisation / cross section alteration
- Other pressures
Related Measures
- No measures apply to this tool.
Related Hymo quality elements
- Quantity and dynamics of water flow (Class: Hydrological regime)
- Connection to groundwater bodies (Class: Hydrological regime)
- River continuity (Class: River continuity)
- River depth and width variation (Class: Morphological conditions)
- Structure and substrate of the river bed (Class: Morphological conditions)
- Structure of the riparian zone (Class: Morphological conditions)
- Structure of the floodplain (Class: Morphological conditions)
Related Biological quality elements
- No Biological Quality Elements apply to this tool.
Related Ecosystem goods and services
- No Ecosystem goods and services apply to this tool.
