Evaluating simultaneous impacts of three anthropogenic effects on a floodplain-dwelling marsupial Antechinus flavipes

H. Lada, J.R. Thomson, R. Mac Nally, Gregory Horrocks, Andrea Taylor

    Research output: Contribution to journalArticle

    32 Citations (Scopus)

    Abstract

    Regulation of river flows has altered floodplain ecosystems around the world. Floods are less frequent, which leads to reduction of favourable environmental conditions for many terrestrial and aquatic organisms adapted to natural flooding regimes. In Australia, the Murray River floodplains have been subjected to decline in inundations, to extensive logging and to removal of fallen timber. The yellow-footed antechinus (Antechinus flavipes) is the only small, native, ground-dwelling/semi-arboreal mammal on most floodplains of south-eastern Australia, yet the effects of floods on its population dynamics largely are unknown. Here, we found positive effects of proximity to flooding, higher woodloads and of abundance of large, hollow-bearing trees on antechinus numbers. Mean trapping rates of antechinuses were lowest in 2003 following a 3-year period with no inundation, higher in 2004 following the first breeding season during a small, controlled flood in 2003, and higher again in 2005, following a small, controlled flood in 2004. In 2004 and 2005, trapping rates declined with distance from floodwaters. This study provides evidence for the benefits of using management flows to inundate floodplains, conserving large trees and ensuring high woodloads in floodplains for sustaining populations of the yellow-footed antechinus.
    Original languageEnglish
    Pages (from-to)527-536
    Number of pages10
    JournalBiological Conservation
    Volume134
    Issue number4
    DOIs
    Publication statusPublished - 2007

    Fingerprint

    marsupial
    Metatheria
    anthropogenic effect
    floodplains
    anthropogenic activities
    floodplain
    trapping
    flooding
    Antechinus
    rivers
    aquatic organisms
    aquatic organism
    river flow
    breeding season
    logging
    timber
    population dynamics
    mammal
    environmental conditions
    dwelling

    Cite this

    Lada, H. ; Thomson, J.R. ; Mac Nally, R. ; Horrocks, Gregory ; Taylor, Andrea. / Evaluating simultaneous impacts of three anthropogenic effects on a floodplain-dwelling marsupial Antechinus flavipes. In: Biological Conservation. 2007 ; Vol. 134, No. 4. pp. 527-536.
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    abstract = "Regulation of river flows has altered floodplain ecosystems around the world. Floods are less frequent, which leads to reduction of favourable environmental conditions for many terrestrial and aquatic organisms adapted to natural flooding regimes. In Australia, the Murray River floodplains have been subjected to decline in inundations, to extensive logging and to removal of fallen timber. The yellow-footed antechinus (Antechinus flavipes) is the only small, native, ground-dwelling/semi-arboreal mammal on most floodplains of south-eastern Australia, yet the effects of floods on its population dynamics largely are unknown. Here, we found positive effects of proximity to flooding, higher woodloads and of abundance of large, hollow-bearing trees on antechinus numbers. Mean trapping rates of antechinuses were lowest in 2003 following a 3-year period with no inundation, higher in 2004 following the first breeding season during a small, controlled flood in 2003, and higher again in 2005, following a small, controlled flood in 2004. In 2004 and 2005, trapping rates declined with distance from floodwaters. This study provides evidence for the benefits of using management flows to inundate floodplains, conserving large trees and ensuring high woodloads in floodplains for sustaining populations of the yellow-footed antechinus.",
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    Evaluating simultaneous impacts of three anthropogenic effects on a floodplain-dwelling marsupial Antechinus flavipes. / Lada, H.; Thomson, J.R.; Mac Nally, R.; Horrocks, Gregory; Taylor, Andrea.

    In: Biological Conservation, Vol. 134, No. 4, 2007, p. 527-536.

    Research output: Contribution to journalArticle

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