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