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  • Recovery of subalpine grasslands 15 years after landscape level fires

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    Verrall263184-Accepted.pdf (434.6Kb)
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    Accepted Manuscript (AM)
    Author(s)
    Verrall, Brodie
    Pickering, Catherine Marina
    Griffith University Author(s)
    Pickering, Catherine M.
    Year published
    2019
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    Abstract
    As conditions warm, previously rare landscape level fires are more likely to affect vegetation in the Australian Alps including in subalpine grasslands. The recovery of this community was assessed using paired unburnt and burnt plots (30 × 20 m) at 10 sites 15 years after largescale fires that burnt >70% of the subalpine zone in Kosciuszko National Park. There were few significant differences found: higher cover of shrubs (17.8% burnt vs 11.3% unburnt plots), and taller vegetation (22.6 vs 19 cm). However, vegetation cover (97%), species richness (38 taxa), composition and limited presence of invasive plants (10 ...
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    As conditions warm, previously rare landscape level fires are more likely to affect vegetation in the Australian Alps including in subalpine grasslands. The recovery of this community was assessed using paired unburnt and burnt plots (30 × 20 m) at 10 sites 15 years after largescale fires that burnt >70% of the subalpine zone in Kosciuszko National Park. There were few significant differences found: higher cover of shrubs (17.8% burnt vs 11.3% unburnt plots), and taller vegetation (22.6 vs 19 cm). However, vegetation cover (97%), species richness (38 taxa), composition and limited presence of invasive plants (10 species, 8.5% cover) were not significantly different. This differs from results six weeks and one year post-fire, when there were clear differences in the cover and composition of vegetation. These results indicate that subalpine grasslands recover from single fires, but with warmer and drier conditions becoming more common, and repeat fires in some areas, the distribution, structure and composition of this and other communities in the Australian Alps will change.
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    Journal Title
    Australian Journal of Botany
    Volume
    67
    Issue
    5
    DOI
    https://doi.org/10.1071/BT19020
    Copyright Statement
    © 2019 CSIRO. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
    Subject
    Ecology
    Microbiology
    Plant biology
    Science & Technology
    Life Sciences & Biomedicine
    Plant Sciences
    Australian Alps
    fire ecology
    Publication URI
    http://hdl.handle.net/10072/388775
    Collection
    • Journal articles

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