Gaps and Uncertainties in the Ecological Status Assessment in the Danube River Basin District

摘要: The EU Water Framework Directive demands the good ecological status in all surface waters within time frame 2015–2027. is monitored by member states using national sampling and assessment methods designed after requirements of WFD adjusted an international intercalibration process. In implementation process, still gaps uncertainties exist. For solving open issues, more data research necessary; often countries could use approaches developed other states.