7051 | Chlorohyll and Phosphorus Classifications for UK Lakes |
7052 | Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters |
7053 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
7054 | Herbarium Image: Phalaris arundinacea |
7055 | Herbarium Image: Orobanche elatior |
7056 | An appraisal of the options for the structure of the water resources function in Thames Region NRA |
7057 | Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991 |
7058 | Public participation and the Water Framework Directive |
7059 | Hampshire salmon seminar 5th October 1993 |
7060 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
7061 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
7062 | An investigation into bathing water quality at Millendreath |
7063 | Guide to groundwater vulnerability mapping in England and Wales |
7064 | Investigation of existing conservation interests and potential furtherance opportunities |
7065 | Locations of licensed abstractions and hydrometric stations |
7066 | NRA regional, area and catchment boundaries |
7067 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
7068 | Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report |
7069 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
7070 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
7071 | Sediment input from coastal cliff erosion : interim report (literature review) |
7072 | River catchment plans for flood defence and land drainage : River Stort - evaluation report |
7073 | Code of practice - marine activities : part I : sea-going vessels |
7074 | Code of practice - marine activities : part II : boats - type II-V |
7075 | Herbarium Image: Callitriche obtusangula |