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676The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004
677The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Devon, 2004
678Groundwater pollution : evaluation of the extent and character of groundwater pollution from point sources in England and Wales
679Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985
680The Menai Strait catchment management plan : action plan (bilingual) : Cynllun Rheoli Dalgylch Afon Menai; 1995 Cynllun Gweithredu
681Addendum to the Stanmoor bank feasibility study and appraisal report : Lower Tone flood defence improvements : phase II
682Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A
683Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998
684Micro low flows average and low flows estimation in the SW region : validation of regional version 1.1 software
685Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment
686Possible replacements for the biochemical oxygen demand (BOD) test and suspended solids as measures of effluent and water quality
687Audit of priority species of rivers and wetlands : Bittern Botaurus stellaris in South Hampshire and the Isle of Wight
688River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region)
689Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology
690Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992
691Scoping Study For Collaborative R and D Between The Environment Agency And L'agence De L'eau Seine Normandie
692Graphical representation of certain metals and organics concentrations versus flow rates for some of the rivers in Districts 3 and 6
693Manor Wall and Landguard Fort sea defences, Felixstowe : part of the Southern Felixstowe coastal strategy option selection scoping consultation document
694Letter of confirmation of geophysical surveys made in conjunction between Professor G.E.G. Sargent and the FBA 1983-1987
695Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters
696Analysis of natural and polluted river communities in Great Britain- Progress report for the period January-December 1987
697Freshwater migration of sea trout (Salmo trutta L.) in the river Tywi during 1988, 1989 and 1990
698Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software
699An investigation into the best method to combine national and local data to develop site-specific critical loads
700Developing Quality Assurance for Fish Counter Data - Phase 1: An Assessment of the Salmonid Fish Counter Network in England and Wales