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  • England  (17)
  • Fluid Mechanics and Thermodynamics
  • Humans
  • Inorganic Chemistry
  • National Rivers Authority  (17)
  • 2020-2022  (17)
  • 1940-1944
  • 1
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    Salmonid & freshwater Fisheries statistics England & Wales 1992 (2021)
    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)
    Details
    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
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    Format: 51
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  • 2
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    Salmonid & freshwater Fisheries statistics England & Wales 1994 (2021)
    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)
    Details
    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
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    Format: application/pdf
    Format: 57
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  • 3
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    Acid waters in North West England. The effect of liming agricultural land (2021)
    National Rivers Authority | Warrington, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10961 | 1256 | 2013-03-26 13:55:26 | 10961 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-25
    Description: This is the Acid waters in North West England: The effect of liming agricultural land on the chemistry and biology of the River Esk, North West England report produced by National Rivers Authority in 1992. This report focuses on the study of Acid Waters in the North West Region of England, UK, which began in 1982 and sampling was completed in October 1990. This work was initiated because of the observation of the simultaneous mortality of adult and juvenile salmon and sea-trout in both the River Esk and adjacent River Duddon in June 1980. Investigations at that time indicated that an "acid episode" was the most likely cause of this mortality. A land use study indicated that a reduction in agricultural liming may have been a major factor in the development of acid episodes and consequent fish kills in the River Esk and River Duddon. However there was no evidence that the mortalities of salmonids in the early 1980's were due to a reduction in agricultural liming. They were due to some other phenomenon such as a period of intense acid deposition.
    Description: Environment Agency Archives North West
    Description: +appendices
    Keywords: Fisheries ; Limnology ; Management ; England ; North West ; Esk ; Inland waters ; Rivers ; Freshwater pollution ; Freshwater fish ; Migratory species ; Fish counter data ; Mortalities ; Invertebrates ; Acid Waters ; Water quality
    Repository Name: AquaDocs
    Type: monograph
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    Format: 31
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  • 4
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    Wetland resource evaluation and the NRA's role in its conservation. 1. Resource assessment (2021)
    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)
    Details
    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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  • 5
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    Wetland resource evaluation and the NRA's role in its conservation. Classification of British wetlands (2021)
    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)
    Details
    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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  • 6
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    River Dart spawning 1992 (2021)
    National Rivers Authority | UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10876 | 1256 | 2013-03-26 13:49:07 | 10876 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the River Dart, Spawning 1992 report produced by the National Rivers Authority. It contains details on the hydrological conditions and redd sighting locations on the River Dart, as well as kelts presence data. It also contains two basic diagrams showing the location of the sightings.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; River fisheries ; Freshwater fish ; Salmon fisheries ; Spawning ; Environmental monitoring ; Population dynamics.
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    Cheshire Meres 1995, May-June (2021)
    National Rivers Authority | UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10909 | 1256 | 2013-03-21 13:05:20 | 10909 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Cheshire Meres 1995, May – June Surveys Report from the National Rivers Authority, 1995. The report focuses on the surveys of ten Cheshire Meres in November 1994 and then again in May-June 1995 as part of a rolling program examining the water quality of this group of still waters. The ten meres surveyed were: Betley, Budworth, Combermere, Hatchmere, Oak mere, Pick mere, Redes, Rostheme, Tabley, and Tatton. This report discusses the results of the May-June survey before making a comparison between these and the November survey results. The section on results contains information about suspended solids (S.S.) and volatile suspended solids (V.S.S.); Nitrate and Nitrite; Ammonia; ortho-Phosphate; Silicate and Soluble reactive Silica; and total Phosphorus.
    Description: Environment Agency Archives North West
    Description: + appendices
    Keywords: Fisheries ; Limnology ; Management ; England ; Cheshire ; Environmental assessment ; Survey ; Eutrophication ; Inland waters ; Pollution ; Lakes classification
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
    Format: 16
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  • 8
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    Lakes - Classification & Monitoring: a strategy for the classification of lakes (2021)
    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)
    Details
    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
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    Format: 100
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  • 9
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    Cheshire stillwaters. Summary results of 1997 data Oak Mere, Betley Mere and Marbury Big (2021)
    National Rivers Authority | UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10911 | 1256 | 2013-03-21 13:06:32 | 10911 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Cheshire stillwaters. Summary results of 1997 data Oak Mere, Betley Mere and Marbury Big from the National Rivers Authority, June 1998. In May 1997, a Stillwaters meeting was held to discuss the way forward in stillwaters monitoring. It decided upon the establishment of a three year rolling programme, in which three stillwaters would be monitored three times a year, every third year. The stillwaters where chosen due to water quality (i.e potential polluted / sensitive waters), fisheries and ecological interests. The Still waters chosen for the first year (1997) were Oak Mere, Betley Mere and Marbury Big Mere. The surveys were aimed to produce a comprehensive study of the still water through monitoring a variety of parameters. Algal, zooplankton and water chemical samples were taken three times a year, (April, July and September). In addition, fisheries surveys were taken in July and marginal invertebrate surveys taken in September.
    Description: Environment Agency Archives North West
    Description: + appendices
    Keywords: Fisheries ; Limnology ; Management ; England ; Cheshire ; Environmental assessment ; Environmental monitoring ; Survey ; Eutrophication ; Inland waters ; Pollution ; Lakes classification ; Fisheries surveys
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 10
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    River Gowy rapid corridor survey July 1995. Ecology South Mersey (2021)
    National Rivers Authority | UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/11029 | 1256 | 2013-03-26 13:42:10 | 11029
    Details
    Publication Date: 2021-06-26
    Description: This is the River Gowy rapid corridor survey July 1995: Ecology South Mersey report produced by the National Rivers Authority North West Region in 1995. This report looks at the survey carried out by the South Mersey Ecology Team prior to routine deweeding operations on the main River Gowy at the end of July, 1995. The survey covered Flood Defence Stretch References RGOW03 to RGOW16. These stretches were further divided into a series of 43 stretches, each one being approximately 500m in length for ease o f mapping by Ecology. Recommendations for each length have been cross-referenced with the Bill of Quantities where possible, e.g. retention o f margins. In Flood Defence stretch RGOW03, the South West Winter Wetland forms an important habitat for birds. In stretches RGOW04 to RGOW05, the Gowy Meadows and Ditches have been designated a Grade A, Site of Biological Importance, by Cheshire County Council due to the nature of the acidic grassland and diverse ditches. In stretches RGOWIO to RGOW11 the left bank forms Hockenhull Platts, Grade A Site of Biological Importance and County Trust Reserve. In stretches RGOW15 to RGOW16, the area from Mill Farm to the Shropshire Union Canal is a Grade A Site of Biological Importance. These sites are very sensitive and detailed recommendations for working practices can be found in the relevant sections o f the survey.
    Description: Environment Agency Archives North West
    Description: +appendices
    Keywords: Fisheries ; Limnology ; Management ; England ; Mersey ; River Gowy ; Inland waters ; Flood Defence stretch references ; Macrophytes ; Macroinvertebrates ; Freshwater fish ; Water quality
    Repository Name: AquaDocs
    Type: monograph
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  • 11
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    The NRA's role in wetland conservation (2021)
    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)
    Details
    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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    River Dart Weir and fish pass survey 1992 (2021)
    National Rivers Authority | UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10875 | 1256 | 2013-03-26 13:50:15 | 10875 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the River Dart, Weir and Fish Pass Survey 1992 report produced by the National Rivers Authority.It goes through the general condition of Weirs and fish passes to determine the extent of problems associated with the upstream and downstream migration of salmonids. It considers solutions where problems exist and investigates the exact use of the resource. It looks at the following Weirs: Totnes, Staverton, Hood, Kilbury, Buckfast, Holne, Mardle (River Mardle), Holybrook (Holybrook), Jordan (West Webburn), Swincombe Intake (River Swincombe), Blackbrook, West Dart, Cowsic (Devonport Leat), Kingfisher Press (Bidwell Brook) and Bagpark (East Webburn). It also contains location maps of the weirs and individual fact sheets along detailed pictures and diagrams.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; Rivers ; River fisheries ; Freshwater fish ; Migratory species ; Salmon fisheries ; Fishery surveys ; Fish passes ; Environmental assessment
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 57
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  • 13
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    Cheshire Meres 1994 November surveys (2021)
    National Rivers Authority | UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10919 | 1256 | 2013-03-26 13:59:17 | 10919 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-02
    Description: This is the Cheshire Meres 1994 November surveys report produced by the National Rivers Authority in 1995. The report focuses on some of Cheshire meres, which were showing evidence of increasing eutrophication, commonly due to anthropogenic inputs. Concern for the deterioration of the water quality of still waters has been translated by incorporating these priorities into the NRA North West Regional Environmental Strategy for Stillwaters. The meres were also being investigated as possible polluted waters under the EC Nitrate Directive.The ultimate aim is to formulate lakes management options in order to help preserve North West still waters and minimise future restoration programmes. For such pro-active work to be carried out, sufficient background data must be available. It should then be possible to fully assess the current status of these lakes, identify seasonal trends and detect significant point/diffuse pollution inputs. These surveys were the first of a series, and it was intended to repeat similar surveys in Summer and Autumn 1995, and include a further 20 meres.
    Description: Environment Agency Archives North West
    Description: + appendices
    Keywords: Fisheries ; Limnology ; Management ; England ; Cheshire ; Environmental assessment ; Survey ; Eutrophication ; Inland waters ; Pollution ; Lakes classification ; Nitrate Directive ; Lakes management
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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    Format: 5
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  • 14
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    Salmonid & freshwater Fisheries statistics England & Wales 1989 (2021)
    National Rivers Authority | Lowestoft, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10947 | 1256 | 2013-03-26 13:58:11 | 10947 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-25
    Description: This is the Salmonid & Freshwater Fisheries Statistics for England & Wales 1989 produced by the National Rivers Authority (NRA) in 1989. This report is focused on the maintenance, improvement and development of fisheries of England and Wales. This report is the first on salmon and migratory trout catch statistics for England and Wales published by the National Rivers Authority (NRA). From 1989 onwards, these statistics will appear each year as NRA fisheries statistics reports replacing the Data Report Series which was published by the Ministry of Agriculture Fisheries and Food (MAFF) Directorate of Fisheries Research. 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
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  • 15
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    Salmonid & freshwater Fisheries statistics England & Wales 1990 (2021)
    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)
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    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
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  • 16
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    Fisheries statutory instruments 1950-93 [collection of salmon and fisheries legislation with special respect to Cumbria] (2021)
    National Rivers Authority
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8069 | 1256 | 2012-02-29 14:18:44 | 8069 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-28
    Description: This document is a collection of legislative documents relating to fisheries, especially Statutory Instruments, with special regards to the county Cumbria in the north of England. This includes Orders on salmon and trout spanning the years 1950-1993.
    Description: Environment Agency Archives North West
    Keywords: Fisheries ; Limnology ; England ; Cumbria ; Fishery regulations ; Inland fisheries ; Fishing rights ; Salmon fisheries ; Collected papers
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 97
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  • 17
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    A report on the population structure of adult salmon and sea trout in the River Lune using scale samples - with reference to historical data. (2021)
    National Rivers Authority | Levens, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/7931 | 1256 | 2012-02-10 21:29:29 | 7931 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-06-26
    Description: During 1993, a comprehensive data set of scale readings, length and weight measurements was established for migratory salmonids on the River Lune. This information was collected using three methods of fish capture: 1. The Lune estuary commercial nets. 2. River Lune Forge weir fish trap. 3. River Lune rod catch scale returns. Additional information was contributed by the Kent, Leven and Duddon rod and commercial fisheries. The data shows that the salmon stock in 1993 was dominated by two year old smolts. This varies from year to year.The sea trout population displays a normal population curve in terms of numbers of fish in each age and weight class. The growth rate of salmon and sea trout is very similar even though salmon have the benefit of high sea feeding.
    Description: Environment Agency Archives North West
    Keywords: Ecology ; Fisheries ; Limnology ; England ; Lune Catchment ; Salmo salar ; Salmo trutta ; Rivers ; River fisheries ; Salmon fisheries ; Fishery surveys ; Kelt ; Stocking density ; Distribution ; Spawning populations
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 62
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