Category:Hydromorphological assessment methods

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It consists of a literature review of existing hydromorphological (HYMO) methods (indicators, tools and models) used in river management and restoration aiming to identify ecologically relevant physical structures on different spatial and temporal scales. To understand and predict eco-hydromorphological responses to man-made physical change.

Categories of HYMO methods

Hydromorphological assessment methods have been divided into 5 categories: (1) physical habitats assessment; (2) riparian habitat assessment; (3) morphological assessment; (4) hydrological regime assessment; (5) fish longitudinal continuity assessment. This distinction in categories allows comparison of methods which focus on similar aspects and are applied at comparable spatial scales (i.e. site, reach, catchment) and contexts (e.g. river channel, riparian areas, floodplain). A more detailed analysis of the methods used by European countries for the implementation of the WFD was also carried out. In total 139 methods (European and non-European countries) were reviewed.

Recommendations for future progress

The main recommendations for future progress for eco-hydromorphological assessment are the following: 1. To improve the understanding of the relationship between organisms and hydromorphological pressures; 2. The need of process-based assessment methods; 3. The identification of appropriate spatial and temporal scales for the application of the assessment methods and for linking processes by a hierarchical spatial framework; 4. The identification of the most suitable methods, by including all the components of hydromorphological conditions (morphology, hydrology, physical and riparian habitats, longitudinal continuity for fish), by testing and adapting them to other European contexts; 5. The need for improving physical habitat assessment by including a geomorphologically-based survey in terms of techniques and improved terminology; 6. To provide a practical and simple initial screening tool to identify critical hydromorphological conditions at catchment scale.

Pages in category "Hydromorphological assessment methods"

The following 6 pages are in this category, out of 6 total.