76 | Fishery survey of the River Isle catchment |
77 | The river Aire conservation within the catchment : a summary of survey methods and information held on the wildlife of the river Aire catchment |
78 | Fishery survey of the River Axe catchment |
79 | The River Thame : catchment review : march 1996 |
80 | Canoeist guide to the River Severn |
81 | The Nidd and Wharfe catchment (river factfiles) |
82 | Fishery survey of the Horner Water catchment |
83 | River water quality in the Midlands 1998 |
84 | Phosphate in the cut-off channel |
85 | Investigation into the 1999 failure of the European Community bathing waters directive at Beer beach (2001) |
86 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
87 | Impact of the signal crayfish Pacifastacus leniusculus and its associated crayfishery on the River Thame |
88 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
89 | Bacterial quality of the bathing waters at Seaton, Cornwall, and of the River Seaton |
90 | The water protection zone (River Dee catchment) designation order : supplementary paper in support of the application |
91 | Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report |
92 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
93 | The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration |
94 | Study of the behaviour and impact of two sewage treatment works of the Thames catchment |
95 | The Ribble fisheries management plan : a consultation document produced by the National Rivers Authority |
96 | Investigation of the environmental impact of Coombe Farm on the Clapton Stream January 1992 |
97 | Rising groundwater levels in the chalk - basal sands aquifer of the central london basins |
98 | Investigation into the chemicals present and entering the Stover Lake, Stover Country Park |
99 | Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project |
100 | Investigation of the impact on water quality of the SWW Teign estuary sewerage trenching activity |