- 3.4.4. Significant hydromorphological alterations in the Danube River Basin District

According to Annex II, 1.4 WFD the Members States are requested to carry out an: ? ?Estimation and identification of significant water abstraction for urban, industrial, agricultural and other uses, ? Estimation and identification of the impact of significant flow regulation, including water transfer and diversion, on overall flow characteristics and water balances, [and] ? Identification of significant morphological alterations to water bodies.? These three categories of hydrological and morphological alterations are strongly interrelated and have therefore been summarised as ?hydromorphological alterations? in the context of this report. Three main hydromorphological driving forces have been determined as most relevant on the basin-wide scale: hydropower generation, flood defence and navigation. Gravel and water abstraction as well as outdoor recreation activities and fisheries have been identified as being of minor or local importance. (4.4.4. Significant hydromorphological alterations in the Danube River Basin District - p.74)