| 601 | Doe Lea restoration study : the work of WRc |
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| 602 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
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| 603 | The NRA in business : annual review and summary accounts 1993-94 |
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| 604 | Cyanobacteria (blue-green algae) in the south west region 1989 |
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| 605 | Toxic blue-green algae : a report by the National Rivers Authority |
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| 606 | Catchment abstraction management strategies (CAMS) and the Water Framework Directive (WFD) |
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| 607 | Managing water abstraction : the catchment abstraction management strategy process : April 2001 |
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| 608 | Report on monitoring of environmental quality in the Severn Estuary |
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| 609 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
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| 610 | Artificial recharge to groundwater in the Otter valley |
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| 611 | State of the environment report for Thames Region : first update 2001 |
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| 612 | State of the environment report 2001 : West Midlands Region |
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| 613 | Groundwater flooding in the Thames region : winter 2000/01 |
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| 614 | The environmental requirements of adult Atlantic salmon (Salmo salar L.) during their upstream migration in the Northwest Miramichi River, New Brunswick. Draft. |
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| 615 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
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| 616 | High level principles for OPRA-based schemes : guidance on the development and implementation of risk rating and regulatory resource planning systems in the Environment Agency |
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| 617 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
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| 618 | Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996) |
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| 619 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
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| 620 | An ecological study of the effects of ferric dosing on the plankton and benthic invertebrates of Grafham Water between May 1990 and November 1991 |
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| 621 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
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| 622 | Catch and release: the survival and behaviour of Atlantic salmon angled and returned to the Aberdeenshire Dee, in spring and early summer |
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| 623 | Spring salmon : a review of factors affecting the abundance and catch of spring salmon from the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 624 | Tamar Lakes project 2001 : initial assessment of nutrient data to identify pollution sources, assess the effect of Tamar Lakes on the downstream water quality and to recommend future monitoring requirements |
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| 625 | A study of the use of Glycol-based de-icers at RAF Lyneham and their impact on local watercourses during the winter of 1999/2000 |
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