BQEs 1 Biological quality element 1 Ecological Indicators 1 Ecological indicators 1 Ecological state 1 Ecological status 1 Ecosystem functioning 1 Ecosystems 1 Environmental management 1 Italy 1 Lakes 1 Management measures 1 Transitional waters Uncertainty analysis 1 Veneto 1 Venezia [Veneto] 1 Venice Lagoon 1 Venice lagoon 1 WFD 1 Water environments 1 ecological approach 1 ecological modeling 1 ecosystem function 1 ecosystem management 1 environmental indicator 1 implementation process 1