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Journal article
Birds pre-adapted to a road in a heterogeneous and contiguous old-growth forest: a point transect study
Australian journal of zoology, Vol.71(1), 22018
2023
Abstract
Roads are present globally across all habitats and their negative impacts on the landscape are being increasingly reported. Yet often more is known about the identity of roadkill than how avian assemblages are impacted by roads. This study used 100 paired point counts by the road and 400 m into the forest interior to assess if the assemblages were different and determine what species may be impacted by the road. The study was undertaken along a highway cut through one of the world's tallest forests - old-growth karri (Eucalyptus diversicolor) forest of south-western Australia. There was no overall significant difference in species richness and abundance between road and forest interior sites, although a small number of species (4.3%) did demonstrate preferences. Overall, we suggest that the limited significant differences resulted from: (1) the narrowness of the road with the forest canopy frequently extended fully across and (2) the natural variation found in eucalypt forests, which has aided the birds as a pre-adaptation to the presence of this road - because eucalypt forests are a heterogeneous array of streams and forest heterogeneity.
We used 100 paired point counts by the road and 400 m into the forest. No overall difference in the assemblages was found. The narrowness of the road under the forest canopy and the natural variation of eucalypt forests were factors to which the birds were pre-adapted. Photograph by G. R. Fulton.
Details
- Title
- Birds pre-adapted to a road in a heterogeneous and contiguous old-growth forest: a point transect study
- Authors/Creators
- Graham R. Fulton - Univ Queensland, Ctr Biodivers & Conservat Sci, Brisbane, Qld 4072, AustraliaJutta Beher - The University of MelbourneHugh P. Possingham - The University of Queensland
- Publication Details
- Australian journal of zoology, Vol.71(1), 22018
- Publisher
- Csiro Publishing
- Number of pages
- 11
- Identifiers
- 991005631770007891
- Copyright
- © 2023 The Author(s) (or their employer(s)).
- Murdoch Affiliation
- School of Environmental and Conservation Sciences
- Language
- English
- Resource Type
- Journal article
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