6551 | Investigating the feasibility of using neural networks to derive chlorophyll a prediction algorithms for case 2 waters |
6552 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
6553 | Herbarium Image: Phalaris arundinacea |
6554 | Herbarium Image: Orobanche elatior |
6555 | An appraisal of the options for the structure of the water resources function in Thames Region NRA |
6556 | Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991 |
6557 | Public participation and the Water Framework Directive |
6558 | Hampshire salmon seminar 5th October 1993 |
6559 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
6560 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
6561 | Guide to groundwater vulnerability mapping in England and Wales |
6562 | Investigation of existing conservation interests and potential furtherance opportunities |
6563 | NRA regional, area and catchment boundaries |
6564 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
6565 | Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report |
6566 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
6567 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
6568 | Sediment input from coastal cliff erosion : interim report (literature review) |
6569 | River catchment plans for flood defence and land drainage : River Stort - evaluation report |
6570 | Code of practice - marine activities : part I : sea-going vessels |
6571 | Code of practice - marine activities : part II : boats - type II-V |
6572 | Herbarium Image: Callitriche obtusangula |
6573 | A brief history of the River Stour navigation : 1705 to the present day |
6574 | Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996 |
6575 | Gipping/Stour catchment management plan : final plan |