Bird responses to riparian management of degraded lowland streams in southeastern Australia

Robin Hale, Paul Reich, Matthew Johnson, Birgita Hansen, Phillip Lake, James Thomson, Ralph MAC NALLY

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    We assessed the degree to which fencing, livestock exclusion, and replanting of riparian zones affected avian assemblages in massively cleared landscapes. Measurements were made at three creeks in the southern Murray-Darling Basin in southeastern Australia, each of which had circa 1-km long treated sections and paired "untreated" circa 1-km sections, where no fencing, planting, or stock exclusion was done. We measured the change in vegetation characteristics and abundances of native birds for up to 8 years after works were completed. Prior to data collection, we developed expected responses of bird species based on the anticipated time-courses of change in vegetation structure. We used hierarchical Bayesian models to explore the effects of the management actions, and to account for within-site variation in vegetation characteristics. There were major changes in vegetation structure (reductions in bare ground and increases in shrubs and tree recruitment) but avian responses generally were small and not as expected. There are at least four possible reasons for the limited avian responses: (1) there has been a long-term decline in woodland birds across the region; (2) the study was conducted during the longest drought in the instrumental record in the study region; (3) the total amount of replanted vegetation was small in a massively denuded region; and (4) monitoring may have been over too short a term to detect responses to longer-term changes in structural vegetation.
    Original languageEnglish
    Pages (from-to)104-112
    Number of pages9
    JournalRestoration Ecology
    Volume23
    Issue number2
    DOIs
    Publication statusPublished - 2015

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    lowlands
    bird
    vegetation
    birds
    vegetation structure
    riparian zone
    riparian areas
    long-term change
    woodlands
    livestock
    woodland
    shrub
    shrubs
    drought
    planting
    basins
    monitoring
    basin

    Cite this

    Hale, Robin ; Reich, Paul ; Johnson, Matthew ; Hansen, Birgita ; Lake, Phillip ; Thomson, James ; MAC NALLY, Ralph. / Bird responses to riparian management of degraded lowland streams in southeastern Australia. In: Restoration Ecology. 2015 ; Vol. 23, No. 2. pp. 104-112.
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    Bird responses to riparian management of degraded lowland streams in southeastern Australia. / Hale, Robin; Reich, Paul; Johnson, Matthew; Hansen, Birgita; Lake, Phillip; Thomson, James; MAC NALLY, Ralph.

    In: Restoration Ecology, Vol. 23, No. 2, 2015, p. 104-112.

    Research output: Contribution to journalArticle

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