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Water and sediments in coastal areas interact at different scales, thus shaping the marine environment and providing physical habitat for ecosystems. Hence, the hydromorphological conditions represent a key aspect of aquatic ecosystems considered in the Water Framework Directive as supporting quality elements (alongside the physicochemical), which are expected to provide the boundary conditions for the biological quality elements. Any alteration in those can reshape the corresponding biological conditions at vario...

Since putting in operation of Chernomorets fishing port (Sozopol municipality, southern Bulgarian Black Sea coast) in January 2016, a number of negative effects have been observed in the area. The disturbance in the existing hydrodynamic balance led to intense coastal erosion and unwanted sand accumulation in the wave shadow area. Additionally, the coastal water quality has deteriorated in the port area. In order to undertake measures to mitigate the observed adverse effects, it is necessary to assess in detail th...

The Marine Strategy Framework Directive (MSFD) is a framework for collective action in the marine environmental policy established by Directive 2008/56/EC of the European Parliament and the Council on 17 June 2008. It calls for EU Member States to create national marine strategies to achieve good environmental status (GES) by 2020 or to maintain it in areas where it already exists. Five factors are laid out in Commission Decision (EU) 2017/848 for GES assessment in regard to a number of broad habitat types, as two...