| 6601 | 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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| 6602 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 158/23 |
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| 6603 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
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| 6604 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 6605 | An Investigation of Ecological Change in the Rivers Kennet and Lambourn |
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| 6606 | 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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| 6607 | Assessment of estuarine/marine water quality using benthic macroinvertebrates : standard methodologies : final draft : biology laboratory procedures manual. Section C : test methods and procedures |
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| 6608 | Assessment of river Phosphorus and Nitrogen from macroinvertebrate data using artificial intelligence techniques : technical report |
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| 6609 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
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| 6610 | Biological investigation of the Common Lake Stream |
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| 6611 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
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| 6612 | Biological survey report - Chess catchment, June-Oct 1992 |
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| 6613 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
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| 6614 | Ferric dosing of reservoirs : a review of dosing and its impact in Anglian region, Northern area during 1994/5 |
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| 6615 | Killiow Stream pollution biological impact assessment |
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| 6616 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
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| 6617 | Physical environment for river invertebrate communities : project report : annex (data) |
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| 6618 | Physical environment for river invertebrate communities |
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| 6619 | Teign estuary post scheme appraisal report of 1991 surveys : final draft report |
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| 6620 | Thames estuary benthic programme : a site by site report on the results of macroinvertebrate surveys undertaken during 1990-91 |
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| 6621 | The application and validation of in situ ecotoxicological assays at biologically and chemically incongruous sites (379/2/T) |
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| 6622 | A report on a baseline survey of the subtidal benthic communities within Portland Harbour (January 1997) |
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| 6623 | Alternative Methods For The Biological Classification Of Rivers |
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| 6624 | Analysis of 1995 Survey Data: Phase 2 Post-Survey Appraisal. Unit II: Changes in Biological Condition |
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| 6625 | Devon area internal report - the kingsbridge estuary - survey of the benthic microinvertebrate infauna (october 1990) for the proposed classification of estuaries in the south western region |
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