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  • 1
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5213 | 1256 | 2011-09-29 15:14:36 | 5213 | Freshwater Biological Association
    Publication Date: 2021-07-09
    Description: Sampling was concentrated on the North Moor region and the series of ditches which drained this area to the Bristol Channel. Although most ditches were not deep the mud substratum precluded sampling from within the habitat. All samples were taken with a pond net from the banks. Efforts were made to sample each part of the habitat although in some ditches the macrophyte growth was so intense as to make sampling difficult particularly of the sediments. Organisms were identified on the 10 sampling sites.
    Keywords: Biology ; Ecology ; Limnology ; Trenching ; Biological sampling ; Identification ; Biological surveys ; England ; Somerset
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 53
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  • 2
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    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5113 | 1256 | 2011-09-29 15:23:18 | 5113 | Freshwater Biological Association
    Publication Date: 2021-07-08
    Description: This progress report summarises work on NSHEB Mark 10 fish counters which are installed at Woodmill on the River Itchen and Nurseling Mill and Connegar Bridge on the River Test. Counters are evaluated and salmon behaviour regarding the counters examined. The report includes a a list of equipment needed for the efficient running of the project in the future.
    Keywords: Ecology ; Fisheries ; Limnology ; Rivers ; Salmon fisheries ; Fish counters ; Data loggers ; Measuring devices ; Progress reports ; England ; Itchen River
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 5
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  • 3
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5196 | 3949 | 2011-09-29 15:15:08 | 5196 | Freshwater Biological Association
    Publication Date: 2021-07-09
    Description: To study and qualify the factors influencing interactions between various trophic levels in natural hard-water streams, a recirculating artificial stream channel was constructed. This structure has enabled patterns of population change of stream fauna to be observed under partially controlled physical and chemical conditions. Initial colonization of the substratum by invertebrates and subsequent succession was studied along with depth distribution and growth and production studies of invertebrates.
    Keywords: Biology ; Ecology ; Biological production ; Colonization ; Ecological succession ; Fresh water ; Growth ; Rivers ; Vertical distribution ; Invertebrata ; Annual report
    Repository Name: AquaDocs
    Type: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 63-74
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