Gerrits, L.M.

system policy action system policy process action change actor decision westerschelde complexity research development selection pressure management state estuary coevolution sediment water unterelbe group attractor basin operation theory selection pressures attractor nature approach result hamburg stakeholder basin perspective order complexity theory river project situation dykes study governance environment prose response future pressure groups planning dredging dutch science interface chapter effect issue analysis connection worden pattern agent attempt port authorities authority provinciale zeeuwse measure point wordt government support partijen section policy action systems feedback unfavourable people compensation number selection patterns channel consequence