| 501 | Interim report on the environmental impacts of the drought on Yorkshire rivers April 1995 to April 1996 |
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| 502 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
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| 503 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
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| 504 | Implementation of environmental accounting : the way ahead for a new "green agency" : submitted for the Open University Open Business School MBA |
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| 505 | Regulation guidance and direction making powers in the Environment Act 1995 in relation to the Environment Agency |
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| 506 | Opportunities for change : the Environment Agency's response to the government consultation paper on a revised UK strategy for sustainable development |
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| 507 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
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| 508 | An Assessment of Cormorant Depredation on Stillwater Coarse Fish Populations in the Lea and Colne Valleys of the Thames Catchment |
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| 509 | Water framework directive : guiding principles on the technical requirements (summary) : accompanying summary to the Environment Agency consultation document |
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| 510 | Options for development of an enhanced team culture in the NRA, using the Welsh Regional Technical Department as an example |
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| 511 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 512 | A report on the infaunal communities within Weston Bay in relation to the sewage outfall at Black Rock |
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| 513 | Bioccumulation of halogenated compounds by limpets and fucoid seaweeds in the vicinity by the Black Rock sewage outfall, Weston-Super-Mare |
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| 514 | Health effects of sea bathing (WMI 9021) - Phase III final report to the Department of the Environment |
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| 515 | Procedure for quality assurance for RIVPACS compatible macro-invertebrate samples analysed to the taxonomic level needed for the BMWP-score system |
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| 516 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
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| 517 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31) |
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| 518 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
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| 519 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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| 520 | Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters |
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| 521 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 522 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
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| 523 | Investigation of flow distribution in a fracture zone at the Stripa mine, using the radar method, results and interpretation |
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| 524 | Biosensors for environmental monitoring : a review of capabilities and strategies for the future : consultant's report to the NRA |
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| 525 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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