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  • 1
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    Environment Agency North West
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/8085 | 1256 | 2012-03-01 17:33:33 | 8085 | Environment Agency, UK (Freshwater Biological Association)
    Publication Date: 2021-06-29
    Description: Although geographically the River Wyre lies between two rivers containing major migrations of adult salmon and sea trout, its rod & line fisheries have for a number of years produced exceptionally low catches. In order to determine the causes of this the Wyre Salmon and Sea trout Restoration Group (WSSRG) was conceived in 1994 as a partnership between the then National Rivers Authority (now Environment Agency), local landowners, angling clubs and interested parties. Two studies of 1994 and 1995 stated that there is a shortage of useable spawning gravels on the river. This is compounded by Abbeystead Reservoir acting as a gravel trap, the siltation of gravels on several side becks and problems with access to available gravels by returning adults. There was also perceived to be a need for accurate fishery data from the river encompassing redd counts, catch data and surveys of fry populations. The 1995 report suggested a number of management proposals which might be adopted in order to improve and create available spawning habitat for migratory salmonids. Funding was made available to create three spawning gravels on each of two side becks (Grizedale Beck and Joshua's Beck) and the addition of gravels to a site oh the main river below Abbeystead Reservoir. Modifications were also made to the fish pass at Abbeystead to allow easier passage of fish. These improvements were made in the autumn of 1995. Salmonid spawning redd counting was undertaken on the whole Wyre catchment in 1995/1996 and specific surveys by electric fishing on the gravel enhancement sites in the summer of 1996. This report details the current state of the improvement works that were undertaken and presents the results of electric fishing surveys in September 1996. A number of lessons have been learnt which will be of great benefit to the Fisheries Function in other parts of the Wyre catchment and the Central Area in general.
    Description: Environment Agency Archives North West
    Keywords: Ecology ; Fisheries ; Limnology ; England ; Wyre Catchment ; River fisheries ; Freshwater fish ; Migratory species ; Fishery management ; Fishways ; Electric fishing ; Fish surveys ; Salmo salar ; Salmo trutta ; Gravel
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 6
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    International journal of immunogenetics 12 (1985), S. 0 
    ISSN: 1744-313X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The purpose of the present work was to characterize the immune response (Ir) genes that influence augmentation of the antibody response by help with the hapten azobenzene-arsonate (ABA). Hapten help was measured as the augmentation in the plaque-forming cell (PFC) response to bovine gamma gloulin (BGG) after priming mice with ABA conjugated to ovalbumin (OVA) and challenging subsequently with ABA-BGG. The first approach involved inbred mouse strains that were matched for H-2 but differed in their non-H-2 genetic backgrounds. B10.D2 mice were low responders even though they shared the H-2d haplotype with BALB/c and DBA/2 mice, which were high responders. C57BL/10 mice were high responders even though they shared the H-2b haplotype with C57BL/6, C3H.SW, and A.BY mice, all of which were strains that were low responders. The second approach was to identify any segregation of H-2 woth the gene(s) encoding susceptibility to hapten help in the backcross generation. (BALB/c x C57BL/6) F1 hybrids were backcrossed to C57BL/6. The results showed no association with the major histocompatibility complex (MHC).
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2019-08-28
    Description: This report describes the Microgravity Science and Applications Division's (MSAD) operations concept for using the Space Station Freedom (SSF) program ground data systems and services, and the plans for and capabilities of the MSAD remote User Operations Facilities (UOF) from which the MSAD SSF payloads will be operated. Attention is given to the MSAD operational phases, the MSAD UOF concept, and UOF operations teams. MSAD is planning remote payload operations for a number of Spacelab missions which will supply MSAD valuable information for application to the development of UOFs in the SSF era.
    Keywords: ASTRONAUTICS (GENERAL)
    Type: IAF PAPER 92-0984
    Format: text
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