| 451 | Sources of farm pollution and impact on river quality. Volume 1 (001/13/W) |
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| 452 | Syngenta Pond Physchem Data (2000) |
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| 453 | Predation of migratory salmonids |
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| 454 | Assessment of the distribution of Bembidion testaceum and reasons for its decline |
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| 455 | Entomology For Angler's Course (2009) 02 |
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| 456 | Focus on Biodiversity Update 2000 |
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| 457 | Brachycentrus subnubilus eggs |
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| 458 | Athripsodes aterrimus |
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| 459 | Agapetus fuscipes pupae |
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| 460 | Lake Benthic Macroinvertebrates 2: Quantifying Uncertainty in Sampling Methodology |
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| 461 | Deveoplment of a Framework for Assessing the Suitability of Controlled Landfills to Accept Disposal of Solid Low-Level Radioactive Waste: Technical Reference Manual |
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| 462 | Windermere South Basin Seismic Survey Data 1987 Section 04 |
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| 463 | Rhithrogena haarupi |
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| 464 | Potamophylax latipennis case, |
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| 465 | Ennerdale Water Seismic Survey data 1987-Section 01 |
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| 466 | Ullswater Seismic Survey data 1987-Section 12 |
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| 467 | Note 3 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
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| 468 | Winter status and distribution of cormorants, goosanders and red-breasted mergansers in Great Britain with specific reference to the North West NRA Region |
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| 469 | FBA News 70 |
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| 470 | Ceraclea dissimilis larva, |
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| 471 | Setodes argentipunctellus larva, |
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| 472 | Adult Glossosomatid spurs |
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| 473 | Ceraclea dissimilis case, |
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| 474 | Esthwaite Water Seismic Survey data 1983-Section 02 |
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| 475 | Draft copy of Surveys June 1987 lakes Ullswater, Crummock Water, Wastwater, Ennerdale Water and Windermere |
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