6426 | The Severn Bore in 1993 |
6427 | The Severn Bore in 1994 |
6428 | Factors Affecting Coarse Fish Recruitment: Phase II - Examination and Analysis of Existing Environment Agency Data |
6429 | The Severn Bore in 1995 |
6430 | Hydrometric report and catalogue 1990 : National Rivers Authority, Severn-Trent Region |
6431 | Large Woody Debris In British Headwater Rivers: Main Report |
6432 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
6433 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
6434 | Rapid Assessment of Physical Habitat Sensitivity to Abstraction (RAPHSA) |
6435 | Coastal baseline survey 1990-93. Part 1 : nutrients |
6436 | Environmental Quality Standards for Dissolved Oxygen |
6437 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
6438 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
6439 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
6440 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
6441 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
6442 | Determining The Causes Of 'Apparent Eutrophication' Effects |
6443 | 1992 survey of bathing water quality : final draft report |
6444 | Ecotoxocological impact of ferric sulphate on chironomid cultures and profundal reservoir communities |
6445 | Phosphorus in the Thames catchment |
6446 | River nar eutrophication study aquatic macrophyte survey |
6447 | The Management of blue-green algal blooms in South-East Australia : a report on the visit to Australia by MJ Pearson and AJD Ferguson in January/February 1993 |
6448 | Pilot environmental audit : NRA Leigh, Tonbridge, district office : southern region |
6449 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
6450 | Flood directory East Sussex Local Authority area |