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  1. A multigear protocol for sampling crayfish assemblages in Gulf of Mexico coastal streams

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    Author(s): William R. Budnick; William E. Kelso; Susan B. Adams; Michael D. Kaller
    Date: 2018
    Source: Hydrobiologia
    Publication Series: Scientific Journal (JRNL)
    Station: Southern Research Station
    DOI: https://doi.org/10.1007/s10750-018-3619-7
    PDF: View PDF  (542.0 KB)

    Description

    Identifying an effective protocol for sampling crayfish in streams that vary in habitat and physical/chemical characteristics has proven problematic. We evaluated an active, combined-gear (backpack electrofishing and dipnetting) sampling protocol in 20 Coastal Plain streams in Louisiana. Using generalized linear models and rarefaction curves, we evaluated environmental and gear (separate and combined) effects on crayfish catch-per-uniteffort (CPUE), orbital carapace lengths, sex ratios, frequencies of rare species, and sample richness.

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    Citation

    Budnick, William R.; Kelso, William E.; Adams, Susan B.; Kaller, Michael D. 2018. A multigear protocol for sampling crayfish assemblages in Gulf of Mexico coastal streams. Hydrobiologia. 822:55-67. 13 p. https://doi.org/10.1007/s10750-018-3619-7.

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    Keywords

    Crayfish . Active sampling . Electrofishing . Undersampling . Gulf Coastal Plain

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