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  • Freshwater fish  (6)
  • Migratory species  (6)
  • ddc:380
  • Devon River Board
  • 2020-2023
  • 2020-2022  (6)
  • 1
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    River Dart Scale Reading Investigation Report on the 1965 Season (2021)
    Devon River Board | Exeter, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10866 | 1256 | 2013-03-26 13:40:44 | 10866 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the fourth River Dart Scale Reading Investigation Report on the 1965 season by the Devon River Board. The object of this investigation is to examine, by means of scale-reading, the general biology of the salmon population of the River Dart. It reviews the methods used for the collection of scales and examination of the materials. It shows the results of the survey and the number of scales studied from each of the various sea-age classes, time of running with distribution of the sea-age groups throughout the season, fish sizes and smolt ages at migration. All it summarized in tables, and figures are included plotting weight distributions for each age classes and frequency distributions.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; River fisheries ; Freshwater fish ; Salmon fisheries ; Fish populations ; Population structure ; Population dynamics ; Migratory species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 10
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  • 2
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    River Dart Scale Reading Investigation Report on the 1966 Season (2021)
    Devon River Board | Exeter, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10867 | 1256 | 2013-03-26 13:40:36 | 10867 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the fifth River Dart Scale Reading Investigation Report on the 1966 Season by the Devon River Board. The object of this investigation is to examine, by means of scale-reading, the general biology of the salmon population of the River Dart. It reviews the methods used for the collection of scales and examination of the materials. It shows the results of the survey and the number of scales studied from each of the various sea-age classes, time of running with distribution of the sea-age groups throughout the season, fish sizes and smolt ages at migration. All it summarized in tables, and figures are included plotting weight distributions for each age classes and frequency distributions. It also compares the results of previous reports.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; River fisheries ; Freshwater fish ; Salmon fisheries ; Fish populations ; Population structure ; Population dynamics ; Migratory species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 12
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  • 3
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    River Dart Scale Reading Investigation Report on the 1962 Season (2021)
    Devon River Board | Exeter, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10869 | 1256 | 2013-03-26 13:42:19 | 10869 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the first River Dart Scale Reading Investigation Report on the 1962 season by the Devon River Board. The object of this investigation is to examine, by means of scale-reading, the general biology of the salmon population of the River Dart. It reviews briefly the theory and mechanics of the scale-reading technique, the life history of the salmon, and the methods used for the collection of scales and the examination of the materials. It shows the results of the survey and the number of scales studied from each of the various sea-age classes, time of running with distribution of the sea-age groups throughout the season, fish sizes and smolt ages at migration. All are summarized in various tables and figures are also included, plotting weight distributions for each age classes and frequency distributions.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; River fisheries ; Freshwater fish ; Salmon fisheries ; Fish populations ; Population structure ; Population dynamics ; Migratory species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 22
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  • 4
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    River Dart Scale Reading Investigation Report on the 1963 Season (2021)
    Devon River Board | Exeter, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10870 | 1256 | 2013-03-26 13:41:33 | 10870 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the second River Dart Scale Reading Investigation Report on the 1963 season by the Devon River Board. The object of this investigation is to examine, by means of scale-reading, the general biology of the salmon population of the River Dart. It reviews the methods used for the collection of scales and examination of the materials. It shows the results of the survey and number of scales studied from each of the various sea-age classes, time of running with distribution of the sea-age groups throughout the season, fish sizes and smolt ages at migration. All are summarized in tables, and figures are alo included plotting weight distributions for each age classes and frequency distributions. The report also remarks the similarity of the results with those for 1962.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; River fisheries ; Freshwater fish ; Salmon fisheries ; Fish populations ; Population structure ; Population dynamics ; Migratory species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 16
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  • 5
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    River Dart Scale Reading Investigation Report on the 1964 Season (2021)
    Devon River Board | Exeter, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10871 | 1256 | 2013-03-26 13:40:55 | 10871 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the third River Dart Scale Reading Investigation Report on the 1964 season by the Devon River Board. The object of this investigation is to examine, by means of scale-reading, the general biology of the salmon population of the River Dart. It reviews the methods used for the collection of scales and examination of the materials. It shows the results of the survey and the number of scales studied from each of the various sea-age classes, time of running with distribution of the sea-age groups throughout the season, fish sizes and smolt ages at migration. All are summarized in tables, and figures are also included plotting weight distributions for each age classes and frequency distributions. After three years of the investigation a pattern is emerging which shows that the Dart salmon population is mainly composed of four year old fish, which have spent two years in the river and then two year or little longer at sea.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Dart ; River fisheries ; Freshwater fish ; Salmon fisheries ; Fish populations ; Population structure ; Population dynamics ; Migratory species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 13
    Location Call Number Expected Availability
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  • 6
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    Fisheries Survey River Avon, 1962 (2021)
    Devon River Board
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10885 | 1256 | 2013-03-26 13:37:57 | 10885 | Environment Agency, UK (Freshwater Biological Association)
    Details
    Publication Date: 2021-07-01
    Description: This is the Fisheries Survey River Avon, 1962 by the Devon River Board. The object of the survey is to investigate the present distribution and relative abundance of salmonid fish in the river.It describes the methods of the investigation, the sampling and identification. It goes through the salmon, sea-trout and brown trout parrs, adult and coarse fish frequencies and distributions, all summarized in individual tables for each fish class. It also includes a variety of comments about the obtained results.
    Description: Environment Agency Archives South West
    Keywords: Fisheries ; Limnology ; Management ; England ; South West ; River Avon ; River fisheries ; Freshwater fish ; Salmon fisheries ; Fish populations ; Population structure ; Population dynamics ; Migratory species ; Freshwater pollution
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 10
    Location Call Number Expected Availability
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