926 | Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology |
927 | Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987 |
928 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
|
929 | Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985 |
930 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
931 | Scoping Study For Collaborative R and D Between The Environment Agency And L'agence De L'eau Seine Normandie |
932 | An Assessment of the Feasibility of Using DGT Procedures to Measure Trace Metals and Radionuclides in Rivers |
933 | Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software |
934 | A review of the industrial uses of continuous monitoring systems : incineration processes : a report produced for NCCA and ETSU by Entec |
935 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : AQC audit : C00158/11 |
936 | The use of fertilizer-free buffer strips to protect dyke flora from nitrate pollution on Walland Marsh S.S.S.I |
937 | Development of Environmental Standards (Water Resources) Stage 1: Identification of Hydro-morphological parameters to which the aquatuc ecosystems is sensitive |
938 | Economic appraisal and assessment of benefits in the PR04 environment programme : findings of an environment agency seminar, January 2003 |
939 | Evaluating the impact of groundwater abstraction on key conservation sites, final report : Yare Broads and marshes (Strumpshaw Fen) |
940 | Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996) |
941 | Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution |
942 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
943 | Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992 |
944 | An audit of performance in the analysis of biological samples in 2000. Environment Agency : primary audit : C00158/10 |
945 | The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392) |
946 | Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources |
947 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
948 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
949 | Foot and Mouth Disease Epidemic. Disposal of culled stock by burial : guidance and reference data for the protection of controlled waters |
950 | Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual) |