| 626 | A review of factors affecting the abundance and catch of spring salmon fom the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 627 | Recorded rainfall data in the Wensum Catchment between 2010 and 2015 (hourly resolution) |
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| 628 | Protocol on "managing waste" : memorandum of understanding between Local Government Association and the Environment Agency |
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| 629 | Front Cover of Some Methods for the Statistical Analysis of Samples of Benthic Invertebrates |
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| 630 | Assessment of the nutrient status and associated algal productivity of Malham Tarn, Yorkshire
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| 631 | Invertebrates of Esthwaite in relation to development of fish farming in the South Basin |
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| 632 | Review of Literature on the Effect on Aquatic Communities of Particulate Copper in River Systems
|
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| 633 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 634 | Planning application for the proposed Maidenhead, Windsor and Eton flood alleviation scheme January 1991 |
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| 635 | Database and atlas of aquatic vascular plants in the British Isles : part 1 species accounts |
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| 636 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
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| 637 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
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| 638 | Front Cover of A Key to the British Freshwater Cyclopid and Calanoid Copepods, with Ecological Notes |
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| 639 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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| 640 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 641 | Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987 |
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| 642 | Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft |
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| 643 | Environmental protection - the waste management licensing regulations 1994 : amended and consolidated. Version 5 |
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| 644 | Problems and solutions in the management of open seas fisheries for Atlantic salmon |
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| 645 | Road transport and the environment risk assessment and options appraisal : final summary report |
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| 646 | Space to live, space to play : a recreation strategy for the River Thames : appendices |
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| 647 | Blooming weather: Predicting the incidence of summers with high-risk of cyanobacterial blooms |
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| 648 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
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| 649 | Best Available Techniques For The Control Of Pollution In Petrochemical And Large Volume Organic Chemical Processes |
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| 650 | A Review Of The Treatment Of Criticality In Post-Closure Safety Assessment Of Radioactive Waste Disposal |
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