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  • Limnology  (24)
  • LUNAR AND PLANETARY EXPLORATION
  • General Chemistry
  • Cell & Developmental Biology
  • Bristol, UK  (24)
  • 1
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10949 | 1256 | 2013-03-26 13:57:52 | 10949 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Salmonid & Freshwater Fisheries Statistics for England & Wales 1992 produced by the National Rivers Authority (NRA) in 1994. This report is focused on the maintenance, improvement and development of fisheries of England and Wales. This report is the fourth compilation of salmon and migratory trout catch statistics for England and Wales published by the National Rivers Authority. For the years 1983-88, these statistics were published by the Ministry of Agriculture, Fisheries and Food (MAFF), Directorate of Fisheries Research in their Data Report Series. Other than for rod catches, the 1992 data have been presented in a broadly similar format to those of 1991, Presentation of the rod data however has changed considerably due to the introduction in January 1992 of the first National Rod Fishing Licence. This report makes a general review of different catches: Northumbria, Yorkshire, Anglian, Thames, Southern, Wessex, South West, Severn-Trent, Welsh and North West.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Wales ; Northumbria ; Yorkshire ; Anglian ; Thames ; Southern ; Wessex ; South West ; Severn-Trent ; Welsh ; North West ; Inland waters ; Rivers ; River fisheries ; Freshwater fish ; Fishery management ; Fishery data ; Fish catch statistics ; Migratory species ; Licensing
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 51
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  • 2
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10950 | 1256 | 2013-03-26 13:57:26 | 10950 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Salmonid & Freshwater Fisheries Statistics for England & Wales 1994 produced by the National Rivers Authority (NRA) in 1995. This report is focused on the maintenance, improvement and development of fisheries of England and Wales. This report is the sixth compilation of salmon and migratory trout catch statistics for England and Wales produced by the National Rivers Authority. For the years 1983-88, these statistics were published by the Ministry o f Agriculture, Fisheries and Food (MAFF), Directorate of Fisheries Research in their Data Report Series. The 1994 data have been presented in a broadly similar format to those of 1993.This report makes a general review of different catches: Northumbria, Yorkshire, Anglian, Thames, Southern, Wessex, South West, Severn-Trent, Welsh and North West.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Wales ; Northumbria ; Yorkshire ; Anglian ; Thames ; Southern ; Wessex ; South West ; Severn-Trent ; Welsh ; North West ; Inland waters ; Rivers ; River fisheries ; Freshwater fish ; Fishery management ; Fishery data ; Fish catch statistics ; Migratory species ; Licensing
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 57
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  • 3
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11036 | 1256 | 2013-03-26 13:41:04 | 11036 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-26
    Description: This is the Wetland resource evaluation and the NRA's role in its conservation: Resource assessment report produced by the National Rivers Authority in 1995. This R&D document provides a strategy for the assessment of the wetland resource of England and Wales. As a first step the report defines wetlands in their UK context. The following working definition is suggested: Wetland is land that has (or had until modified) a water level predominantly at, near, or up to 1.5 m above the ground surface for sufficient time during the year to allow hydrological processes to be a major influence on the soils and biota. These processes may be expressed in certain features, such as characteristic soils and vegetation. The report also summarises a hydrotopographical classification of wetlands. The report then develops a strategy for the establishment of a wetland resource Inventory based on a geographical information system (GIS) as a means of storing and manipulating site data from across England and Wales.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; UK ; England ; Wales ; Inland waters ; Wetland ; GIS ; Resource ; Survey ; Classification ; Inventory ; Definition ; Hydrotopography
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 76
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  • 4
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11035 | 1256 | 2013-03-26 13:41:14 | 11035 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-26
    Description: This is the Wetland resource evaluation and the NRA's role in its conservation: Classification of British wetlands report produced by the National Rivers Authority in 1995. This R&D document provides a clear classification for wetlands in England and Wales. The classification incorporates many of the existing ideas on the subject but avoids some of the problems associated with other classifications. A two-layered 'hydrotopographical' classification is proposed. The first layer identifies situation-types, i.e. the position the wetland occupies in the landscape, with special emphasis upon the principal sources of water. The second layer identifies hydrotopographical elements, i.e. units with distinctive water supply and, sometimes, distinctive topography in response to this. This system is seen as an independent, basic, classification upon which it is possible to superimpose additional, independent classifications based on other features (e.g. base-status, fertility, vegetation, management etc.). Some proposals for such additional classifications are provided.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Wales ; Inland waters ; Wetlands ; Resource ; Classification ; Key ; Hydrotopography ; Survey
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 106
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  • 5
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11083 | 1256 | 2013-03-27 12:47:07 | 11083 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-27
    Description: This report is the fourth collation of salmon and migratory trout catch statistics for England and Wales produced by the Environment Agency. For the years 1989-94 these statistics were published by the National Rivers Authority (NRA) and for the years 1983-88 by the Ministry of Agriculture, Fisheries and Food, Directorate of Fisheries Research, in its Data Report series. This report is designed to be a reference document of declared salmonid catches in England and Wales. Salmon stock assessment data including provisional catches, counter run estimates and some juvenile data are now published in an annual assessment for the International Council for the Exploitation of the Seas (ICES). The second report in this series was published jointly by the Environment Agency and the Centre for Environment, Fisheries & Aquatic Science (CEFAS) in April 1998 (Anon 1999).
    Description: Environment Agency Archives North West
    Description: + tables and figures
    Keywords: Fisheries ; Limnology ; Management ; UK ; England ; Wales ; Inland waters ; Rivers ; Migratory species ; Freshwater fish ; Fish counters ; Fish passes ; Fish catch statistics ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 8
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  • 6
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10935 | 1256 | 2013-03-26 14:00:06 | 10935 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: This is the Proposed Environmental Quality Standards (EQS) for Nonylphenol in Water produced by the Environment Agency in 1997. The report reviews the properties and uses of Nonylphenol, its fate, behaviour and reported concentrations in the environment, and critically assesses available data on its toxicity and bioaccumulation. The information is used to derive EQSs for the protection of fresh and saltwater life as well as for water abstracted to potable supply.Nonylphenol (NP) is used extensively in the production of other substances such as non-ionic ethoxylate surfactants. It is through the incomplete anaerobic biodegradation of these surfactants that most nonylphenol reaches the aquatic environment in effluents, e.g. from sewage treatment works and certain manufacturing operations. It was explicitly stated by the Environment Agency that the EQS was to be derived for NP and not Nonylphenol ethoxylates. However, since NP is unlikely to be present in the aquatic environment in the absence of other nonylphenol ethoxylate (NPE) degradation by-products, the toxicity, fate and behaviour of some of these (i.e. nonylphenol mono- and diethoxylates (NP1EO and NP2EO), mono- and di-nonylphenoxy carboxylic acids (NP1EC and NP2EC) have also been considered in this report. In the aquatic environment and during sewage treatment, NPEs are rapidly degraded to NP under aerobic conditions. NP may then be either fully mineralised or may be adsorbed to sediments. Since NP cannot be biodegraded under anaerobic conditions it can accumulate in sediments to high concentrations.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; Environmental Quality Standard ; EQS ; Nonylphenol ; Freshwater ; Saltwater ; Toxicity ; Bioaccumulation
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 75
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  • 7
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10946 | 1256 | 2013-03-26 13:59:36 | 10946 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Impact Assessment of ionising Radiation on Wildlife document produced by the Environment Agency in 2001. This report describes the behaviour and transport of radionuclides in the environment, considers the impact of ionising radiation on wildlife, and makes recommendations on an approach for the Impact assessment of ionising radiation on wildlife for England and Wales. The assessment approach focuses on three ecosystems representative of those considered potentially most at risk from the impact of authorised radioactive discharges, namely a coastal grassland (terrestrial ecosystem); estuarine and freshwater ecosystems. The likely scale of the impact on wildlife is also assessed in light of a preliminary analysis based on this assessment approach. The report demonstrates the behaviour and transfer of radionuclides in a number of different ecosystem types. Particular emphasis is placed on exposure pathways in those ecosystems most likely to be impacted by the authorised discharges of radioactivity within England and Wales. The use of biomarker techniques is reviewed in the report, and their application to the study of exposure to multiple contaminants is discussed.
    Description: Environment Agency Archives North West
    Description: + glossary
    Keywords: Fisheries ; Limnology ; Management ; Europe ; UK ; Pollution effects ; Radionuclides ; Biomarker ; Freshwater ; Estuarine ; Coastal grassland
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 222
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  • 8
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10982 | 1256 | 2013-03-26 13:51:31 | 10982 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the report on Lakes – Classification and Monitoring, a strategy for the classification of lakes by the National Rivers Authority.This report describes a scheme for the assessment and monitoring of water and ecological quality in standing waters, greater than about 1ha in area, in England and Wales although it is generally relevant to Northwest Europe. Thirteen hydrological, chemical and biological variables are used to characterize the standing water body in any current sampling. Statistical testing on the chemical variables showed that at least six samples during a year would be needed to produce a representative sampling mean; but in this scheme the choice of variables minimizes logistic cost by not using boat sampling and time costs by not demanding extensive taxonomic work. Standing waters are classified in a state-changed system in which the contemporary values of the variables are compared with a reference baseline state and then placed in categories of percentage change from this baseline. The scheme is presently designed for use at about five year intervals on all lakes greater than 2ha area plus additional lakes of significant amenity or conservation interest.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Wales ; Lake classification ; Monitoring ; Eutrophication ; Acidification ; Infilling ; Water quality ; Ecological quality ; State-changed schemes ; Export coefficient models ; Nutrients ; Aquatic plants
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 100
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  • 9
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8378 | 1256 | 2012-03-07 14:44:30 | 8378 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: The overall purpose of this guide is to provide a manualfor the collection and interpretation of sea trout scales. Abrief introduction considers the advantages anddisadvantages of using scales to determine age and growth.To ensure that scales are interpreted in a consistentmanner, all major terms are defined and a standard systemfor age notation is proposed. The methodology for thecollection, mounting and interpretation of scales isdescribed in detail, and this is followed by a section on the back-calculation of lengths at different ages. Each topic is discussed critically. The final part of this guide is an atlas illustrating scales from a wide range of sea trout and including not only excellent "type-scales" but also difficult and impossible scales.
    Description: Environment Agency Archives North West
    Keywords: Biology ; Fisheries ; Limnology ; Scales ; Tagging ; Salmo trutta ; Scale reading ; Age ; Animal morphology ; Length
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 63
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  • 10
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10951 | 1256 | 2013-03-26 13:57:18 | 10951 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Salmonid & Freshwater Fisheries Statistics for England & Wales 1996 produced by the Environment Agency in 1997. The principal aim of the Environment Agency in respect of fisheries is to maintain improve and develop fish stocks, the basic fisheries resource, in order to optimise the social and economic benefits from their sustainable exploitation. This report is the second collation of salmon and migratory trout catch statistics for England and Wales produced by the Environment Agency. For the years 1989-94, these statistics were published by the National Rivers Authority (NRA) and the years 1983-88 by the Ministry of Agriculture, Fisheries and Food, Directorate of Fisheries Research in its Data Report series. The 1996 data, have been presented in a broadly similar format to those of 1995. This report makes a general review of different catches: Northumbria, Yorkshire, Anglian, Thames, Southern, Wessex, South West, Severn-Trent, Welsh and North West.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Wales ; Northumbria ; Yorkshire ; Anglian ; Thames ; Southern ; Wessex ; South West ; Severn-Trent ; Welsh ; North West ; Inland waters ; Rivers ; River fisheries ; Freshwater fish ; Fishery management ; Fishery data ; Fish catch statistics ; Migratory species ; Licensing
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 59
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  • 11
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11034 | 1256 | 2013-03-26 13:41:24 | 11034 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-26
    Description: This is the NRA's role in wetland conservation report produced by the National Rivers Authority in 1995. This document is the third of a series of three R&D Notes produced as part of an integrated research programme addressing aspects of the NRA's role in wetland management and conservation. Chapter 1 considers the nature of the wetland resource and its definition. Chapter 2 presents the NRA's current legislative and policy framework relating to its role in wetland conservation. National and international legislation and agreements are considered, and particular attention is afforded to the potential implications of the 'Habitats Directive'. Chapter 4 presents key examples of operational casework involving wetlands. Differences in approach and external perceptions of the NRA's current and likely future role in wetland conservation are discussed within Chapter 5. Other issues highlighted in this report are: policy guidance required on NRA’s role in land drainage; standard of flood defence service for wetlands; cost-benefit analysis; strategies for halting and reversing the decline and degradation of wetland resource; and Catchment Management Planning.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Inland waters ; Wetland definition ; Wetland management ; Wetland conservation ; Water management ; Legislation ; Policy ; Strategy ; Survey ; Restoration
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 114
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  • 12
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11082 | 1256 | 2013-03-27 12:47:17 | 11082 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-27
    Description: This report is the third collation of salmon and migratory trout catch statistics for England and Wales produced by the Environment Agency. For the years 1989-94, these statistics were published by the National Rivers Authority (NRA) and the years 1983-88 by the Ministry of Agriculture, Fisheries and Food, Directorate of Fisheries Research in its Data Report series. This report is designed to be a reference document of declared salmonid catches in England and Wales and is produced in the autumn following the season. Salmon stock assessment data including provisional catches, counter run estimates and some juvenile data are now published in an annual assessment for the International Council for the Exploitation of the Seas (ICES). The first report in this series was published jointly by the Environment Agency and the Centre for Environment, Fisheries & Aquatic Science (CEFAS) in April 1997 (Anon 1998).
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; UK ; England ; Wales ; Inland waters ; Rivers ; Migratory species ; Freshwater fish ; Fish counters ; Fish passes ; Fish catch statistics ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 50
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  • 13
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10938 | 1256 | 2013-03-26 13:59:55 | 10938 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: This is the Species management in aquatic Habitats WRc Nov 1993 produced by the National Rivers Authority (NRA) in 1993. This report identified key rare and nuisance species of interest to the NRA and prioritised research needs to develop conservation strategies for these species. The NRA has in the past adopted a habitat maintenance and protection approach to conservation paying less attention at individual species. There is a risk that conservation based on a habitat management policy will no further the conservation of certain species. In addition, certain ‘nuisance’ species cause problems for conservation by having a negative impact on more valued species or ecosystems. Through the combination of the review of current legislation and literature and consultation with NRA staff, this project identified key rare and nuisance species of interest to the NRA and prioritised research needs to develop conservation strategies for these species.
    Description: Environment Agency Archives North West
    Description: + appendices
    Keywords: Fisheries ; Limnology ; Management ; UK ; Conservation ; Species management ; Rare species ; Nuisance species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 54
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  • 14
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10936 | 1256 | 2013-03-26 13:58:31 | 10936 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: This is the Species management in aquatic Habitats overview of sub projects and their management produced by the Environment Agency in 1998. This report was under the R&D Project, which it was initiated in 1995 to provide information on species of conservation value of particular relevance to the Environment Agency (then the National Rivers Authority, NRA), in relation to its activities affecting aquatic environments. Outputs comprise Species Action Plans (SAPs), practical management guidelines for Agency staff and third parties, and various research and survey outputs to improve the knowledge base on the status and ecological requirements of priority species. This R&D Technical Report provides an overview of the work undertaken, additionally identifying lessons to be learnt in the management of species-related research within the framework of the UK Biodiversity Action Plan. The process of species selection was initially based upon a wide ranging review of priority species of relevance to the then NRA, encompassing both highly threatened species and species that are relatively common but are at particular risk from Agency activities.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; UK ; Priority species ; Conservation ; Management ; Aquatic habitats
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 15
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10937 | 1256 | 2013-03-26 13:58:19 | 10937 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: This is the Species management in aquatic Habitats WRc Dec 1993 produced by the National Rivers Authority in 1993. This report is focused on the Phase 1 of the Species Management in Aquatic Habitats, based on the Development of priority lists of rare and nuisance species for the National Rivers Authority (NRA). Certain ‘nuisance’ species cause problems for conservation by having a negative impact on more valued species or ecosystems. This project was initiated as part of a programme of research to develop strategies for the management of both rare and nuisance species. This project identified key rare and nuisance species of interest to the NRA and prioritised research needs to develop conservation strategies for these species. A combined provisional list of almost a thousand rare species, a priority list of 58 species of potential interest and a priority list of nine nuisance species was developed by a process of literature review and from suggestions by NRA conservation staff.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; UK ; Conservation ; Species management ; Rare species ; Nuisance species ; Biomarkers
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 16
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10940 | 1256 | 2013-03-26 13:59:45 | 10940 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: This is the Species management in aquatic Habitats WRc Interim 1997 document produced by the Environment Agency in 1997. This document reports progress on R&D Project 640, which aims to provide information on species of conservation value of particular relevance to the Environment Agency, in relation to its activities affecting aquatic environments. A range of stand-alone outputs is being produced, comprising Species Action Plans, practical management guidelines for Agency staff and third parties, and various research outputs to improve the knowledge base on the status and ecological requirements of priority species. The species of conservation values are: water shrew, daubenton’s bat, Kingfisher, yellow wagtail, Grey wagtail, sand martin, reed bunting, dipper, marsh warbler, great crested new, spined loach, brook lamprey, river lamprey, sea lamprey, shining rams-horn snail, little whirlpool rams-horn snail, depressed river mussel, a freshwater pea mussel, native crayfish, and triangular club-rush. The process of species selection was altered during the course of the project by the report on biodiversity by the UK Biodiversity Steering Group (1995). Whilst still including species that were not particularly endangered but were greatly influenced by the activities of the Agency, the project addressed species on the ‘short’ and ‘middle’ priority lists of the Biodiversity report, particularly those for which the Agency had specific responsibilities.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; UK ; Priority species ; Habitat management ; Aquatic habitats
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 257
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  • 17
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10945 | 1256 | 2013-03-26 13:58:39 | 10945 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Habitats regulations for stage 3 assessments: radioactive substances authorisations report from the Environment Agency, published on October 2003. The report focuses on the stage 3 assessments of radioactive substances authorisations in UK (to take place over the next five years, starting in 2003), which may have a potential impact on European designated Natura 2000 sites such Special Protection Areas (SPA), Special Areas of Conservation (SAC); and thus require further detailed assessment. This Environment Agency R&D project was commissioned to ERC, University o f Liverpool, in conjunction with Westlakes Scientific Consulting and the Centre for Ecology and Hydrology, as part o f the agency's preparation for the Stage 3 Assessments o f radioactive substances authorisations. The aim was to prepare site information sheets containing all data relevant for individual Natura 2000 sites needing Stage 3 Assessment and to stylise and represent species that require protection under the Habitats Regulations by the reference organism geometries listed in R&D Publication 128 (Copplestone et al., 2001).
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; Europe ; UK ; Radioactive substances ; Conservation ; Protected areas ; Natura 2000 ; SPA ; SAC
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 18
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10948 | 1256 | 2013-03-26 13:58:02 | 10948 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Salmonid & Freshwater Fisheries Statistics for England & Wales 1990 produced by the National Rivers Authority (NRA) in 1992. This report is focused on the maintenance, improvement and development of fisheries of England and Wales. This report is the second compilation of salmon and migratory trout catch statistics for England and Wales published by the National Rivers Authority (NRA). Before 1989, these statistics were published by the Ministry of Agriculture Fisheries and Food (MAFF) Directorate of Fisheries Research in their Data Report Series. The 1990 data have been presented in a broadly similar format to those of 1989. However, two further NRA regions, four in all, provided effort data for rod fisheries in 1990. This report makes a general review of different catches: Northumbria, Yorkshire, Anglian, Thames, Southern, Wessex, South West, Severn-Trent, Welsh and North West.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Wales ; Northumbria ; Yorkshire ; Anglian ; Thames ; Southern ; Wessex ; South West ; Severn-Trent ; Welsh ; North West ; Inland waters ; Rivers ; River fisheries ; Freshwater fish ; Fishery management ; Fishery data ; Fish catch statistics ; Migratory species ; Licensing
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 19
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    Environment Agency | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10957 | 1256 | 2013-03-26 13:56:03 | 10957 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-25
    Description: This is the Effect of water quality on coarse fish productivity and movement in the Lower River Irwell and Upper Manchester Ship Canal: a watercourse recovering from historical pollution report produced by the Environment Agency in 2003. The aim of this study was to investigate the impact of water quality upon coarse fish population dynamics in a lowland, urban watercourse. All of the research carried was undertaken in the lower River Irwell and upper Manchester Ship Canal, between February 1998 and December 2001. Of particular interest was the natural sustainability of the urban fishery given recent concern raised in the angling community over an apparent decline in coarse fish populations in lowland rivers. The research described in this report has concentrated upon the role of water quality in determining coarse fish population dynamics, and in particular: The impact of water quality upon fish growth and productivity; The impact of poor water quality and low dissolved oxygen concentrations upon fish distribution and movement; The impact of water quality upon the sexual development of fish.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; England ; Irwell ; Manchester Ship Canal ; Inland waters ; Rivers ; Invertebrates ; Freshwater fish ; Migratory species ; Fish catch statistics ; Fish distribution ; Fish population ; Population dynamics ; Population structure ; Freshwater pollution ; Water quality
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 148
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    National River Authority North West | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8377 | 1256 | 2012-03-07 14:48:01 | 8377 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-02
    Description: The document reports on Phase 1 of a definition study to appraise the options to develop fish tracking equipment, in particular tags and data logging systems in order to improve the efficiency of the Environment Agency's tracking studies and to obtain a greater understanding of fish biology. Covered in this report are radio telemetry, audio telemetry, High Resolution Position Fixing, data storage and archival tags and other fish tracking systems such as biosonics.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; UK ; Tracking ; River fisheries ; Freshwater fish ; Migratory species ; Migrations ; Satellite communication ; Telemetry ; Tagging ; Data loggers
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 104
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8064 | 1256 | 2012-02-25 12:02:18 | 8064 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-28
    Description: This report considers the development of environmental quality standards (EQSs) for the salmonid fishery, cyprinid fishery, migratory fishery, commercial harvesting of marine fish for public consumption and commercial harvesting of shellfish for public consumption uses of controlled surface waters. Previous reports have been used to identify those parameters necessary for the maintenance of these five uses. Each water use is considered in a separate section within which identified parameters are discussed and standards proposed, a summary of the proposed standards is presented at the beginning of the relevant section. For salmonid, cyprinid and migratory fisheries, EQSs for substances in water have been proposed for the protection of these fisheries. For the commercial harvesting of marine fish and shellfish for public consumption uses 'Warning Levels' of substances in waters have been proposed. These 'Warning Levels' have been proposed by considering data on bioaccumulation and food standards and aim to prevent acceptable intake values and concentrations in fish/shellfish flesh exceeding statutory or recommended levels. For the commercial harvesting of marine fish for public consumption it has been concluded that the current EQSs for most List II substances for the protection of salt water life should be adequately stringent to protect this use, however for the commercial harvesting of shellfish for public consumption, these List II EQSs do not appear adequate to protect this use and more stringent 'Warning Levels' have been proposed. For all five uses considered in this report there has been found to be limited information on a number of the parameters considered and in general for indigenous species, this has been found to be especially so when considering migratory fisheries and the commercial harvesting of marine fish and shellfish.
    Description: Environment Agency Archives North West
    Keywords: Environment ; Fisheries ; Limnology ; UK ; Fisheries ; Environment management ; Standards ; Water quality ; Legislation ; Environmental assessment
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 162
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  • 22
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8529 | 1256 | 2012-12-21 15:22:29 | 8529 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-03
    Description: Fish tracking is a valuable technique for the provision of detailed information on thebehaviour patterns of individual fish especially during estuarine and riverine migration.2. Tracking studies help in the provision of a comprehensive description of the variety offishbehaviour patterns in response to factors such as water flow, obstructions and waterquality.3. There are advantages to be gained by complementing fish tracking studies with datacollected from fish counters and vice versa.4. An overall evaluation of NRA fish tracking projects is presented in the wider context ofNRA strategic research objectives.5. The requirement for future development of tracking equipment, improved data analysistechniques, better communication and more immediate report preparation is identified.6. Individual project evaluation is given for NRA (or the appropriate Water Authoritypredecessor) tracking studies conducted on the Ribble estuary, the River Tamar, RiverTorridge, Rivers Test and Itchen, River Lodden, the Welsh River Dee, River Glaslyn,River Taff, River Tawe, River Tywi, River Usk, Rivers Avon and Stour and the RiverFrome.7. An outline for future strategic research is provided which identifies particular areas forstudy:-i) Identification of environmental factors which control the entry of fish into rivers.ii) Improvement of the understanding of the relationship between water flow andupstream movement of salmonids.iii) Examination of the detailed movements and behaviour of fish in relation toobstructions.iv) Closer definition of water quality requirements for salmonid fish.v) Definition of habitat preferences of salmonids in rivers.vi) Subsidiary topics such as the movements of non-salmonid fish and the downstreammigration of kelts and juvenile salmonids.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; Management ; UK ; Rivers ; River fisheries ; Salmo salar ; Salmo trutta ; Stream flow ; Tracking ; Water quality ; Fishery management
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 18
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  • 23
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8556 | 1256 | 2021-02-27 19:44:35 | 8556 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-03
    Description: The study began on the 7th January 1991 and was completed in June 1991. Two reports have been produced. This report published as R&D Note 33 describes NRA trackingstudies, tracking techniques and fish counter technology. The second report published as R&D Note 34 evaluates NRA tracking studies and recommends future research. The latterwill be used solely for NRA management purposes. This report briefly outlines the programme of the NRA, placing the Fisheries programme in the context of the work of the NRA as a whole, and viewing the tracking work against thebroader requirements of the NRA Fisheries research programme. Two techniques currently exist for studying the detailed timing and extent of movements of adult salmon: tracking of individually identifiable fish, and counting the numbers of fish moving past a fixed point in the river. Further details of these techniques and their development are given in Sections 2 and 3. Section 4 summarises and assesses completed and current NRA tracking Studies. Completeproject descriptions for the studies are contained in Appendix A. Section 5 discusses the scientific content of these studies in relation to similar work carried out elsewhere in the UK. Section 6 details the future development of tracking techniques. Tracking work on migratory salmonids has tended to concentrate largely upon the movements of adult salmon. Much of this report will therefore be concerned with salmon trackingstudies. NRA studies involving sea trout are referred to where appropriate. The methodological problems of sea trout tracking studies are summarised in Section 2.1.3.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; UK ; Rivers ; River Fisheries ; Salmo salar ; Salmo trutta ; Migratory species ; Tracking ; Tagging ; Fish counters ; Stream flow ; Water quality
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 96
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  • 24
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    National Rivers Authority | Bristol, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8571 | 1256 | 2012-12-20 20:51:52 | 8571 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-07-03
    Description: In Britain, many birds eat fish in fresh waters but only three species, cormorant, red-breasted merganser and goosander, are commonly perceived to present serious problems for freshwater fisheries. Complaints are mainly that cormorants eat large fish and that all three bird species eat so many juvenile fish, that there are subsequently fewer fish to be harvested or angled, but alsothat persistent predation by birds changes fish behaviour so that they are less 'catchable'.To this end, this report reviews existing information on the current status, foraging ecology, and population biologyof the three bird species as background to their potential impact on fisheries. Discusses fish population dynamics within the context of predation effects. Reviews existing experimental evidence for impacts on fish populations and fisheries; and describes current legislation, discusses potential criteria for serious damage to a fishery, andsuggests ways forward for NRA policy and research.
    Description: Environment Agency Archives North West
    Description: R and D Project Record 461/8/N and Y
    Keywords: Environment ; Fisheries ; Limnology ; Great Britain ; Europe ; River fisheries ; Freshwater fish ; Predators ; Predator control ; Fish populations ; Environmental assessment
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 106
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