1051 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
1052 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
1053 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
1054 | Linking hydrology and ecology : River Wissey : Annex B aquatic macrophytes of the River Wissey |
1055 | Policy and practice for the protection of groundwater : regional appendix South West region |
1056 | The available resource methodology : a framework for assessing water resources and abstraction availability : final report |
1057 | The Impact Of Discarded Fishing Line And Tackle On Mute Swans - Phase 1 |
1058 | Manual for the use of herbicides in or near water : April 1993 : final draft report |
1059 | Direct toxicity assessment : a step towards better environmental protection within the UK : business strategy |
1060 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
1061 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
1062 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
1063 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
1064 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
1065 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
1066 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
1067 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
1068 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
1069 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
1070 | Time of travel study on the River Wandle under two different flow conditions |
1071 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
1072 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
1073 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
1074 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
1075 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |