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    Evaluating the potential of treated effluent as novel habitats for aquatic invertebrates in arid regions

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    Name:
    Eppehimer_et_al_2020_Hydrobiol ...
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    66.37Mb
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    Description:
    Final Accepted Manuscript
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    Author
    Eppehimer, Drew E.
    Hamdhani, Hamdhani
    Hollien, Kelsey D.
    Bogan, Michael T.
    Affiliation
    Univ Arizona, Sch Nat Resources & Environm
    Issue Date
    2020-07-08
    Keywords
    Wastewater
    Stream ecology
    Urban ecology
    Stream drying
    Water quality
    
    Metadata
    Show full item record
    Publisher
    Springer Science and Business Media LLC
    Citation
    Eppehimer, D. E., Hamdhani, H., Hollien, K. D., & Bogan, M. T. (2020). Evaluating the potential of treated effluent as novel habitats for aquatic invertebrates in arid regions. Hydrobiologia, 847(16), 3381-3396.
    Journal
    HYDROBIOLOGIA
    Rights
    Copyright © Springer Nature Switzerland AG 2020.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Increasing anthropogenic demands for freshwater have altered many aquatic systems, including the drying of formerly perennial streams. The discharge of treated effluent has returned perennial flow in some of these streams, especially in arid and semi-arid regions, but the ability of treated effluent to support diverse aquatic communities is poorly understood. We examined the potential of treated effluent to create aquatic invertebrate habitat using the effluent-dependent Santa Cruz River in southern Arizona, USA as a case study. We identified 92 invertebrate taxa across our ten sampling sites and two sampling dates. Community composition was primarily shaped by water quality but also by stream drying (on daily time scales) and benthic substrate. Specifically, Linear Mixed-Effects models revealed a strong positive relationship between dissolved oxygen and taxonomic richness and a strong negative relationship between stream drying and invertebrate density. Although there are unique challenges to biota in effluent-dependent systems, our results suggest that treated wastewater could be managed to augment or recreate aquatic habitats that have been otherwise diminished or lost.
    Note
    12 month embargo; published online: 8 July 2020
    ISSN
    0018-8158
    EISSN
    1573-5117
    DOI
    10.1007/s10750-020-04343-6
    Version
    Final accepted manuscript
    Sponsors
    University of Arizona
    ae974a485f413a2113503eed53cd6c53
    10.1007/s10750-020-04343-6
    Scopus Count
    Collections
    UA Faculty Publications

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