Limnology 233 England 231 Fisheries 231 Management 216 River fisheries 211 Fishery Advisory Committee 207 Freshwater fish 207 Fishery management 205 Inland waters 199 Rivers 195 Licensing 123 Migratory species 101 Fishery regulations 87 North West 86 Stocking 86 Hatcheries 75 Mortality 72 Water management 47 Stock assessment 42 Fish catch statistics 39 Freshwater pollution 34 Fishery policies 30 Water quality 30 Lune Catchment 27 Wyre Catchment 26 South Lancashire 24 Mersey Catchment 23 Weaver Catchment 23 Eden Catchment 20 Cumberland 19