Ecologically justified minimum outflows for flow levels on reportable natural and significantly modified flowwater bodies

The ecologically justified minimum runoff (Qmin,ök) describes the minimally necessary outflow to ensure the good status of the biological quality components macrozoobenthos and/or fish plausibilised with the quasi-natural or measured low-water requirement for the 1991-2015 series, but without taking into account other interests or special natural conditions of the catchment area. The Qmin,ök value is based on the ecologically justified minimum water management (Qök) and also takes into account natural branches of the waters for the flow levels. For comprehensibility of the calculations and comparisons, the level-specific values of the intermediate steps are listed in the attribute table of the shape. Please note the documentation as well. The ecologically justified minimum outflows were determined only for flow levels of natural and significantly altered flow water bodies. No minimum water requirement is levied for artificial water bodies from an ecological point of view.