Restoring habitat connectivity over the road: vegetation on a fauna land-bridge in south-east Queensland

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Jones, DN
Bakker, M
Bichet, O
Coutts, R
Wearing, T
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Tein McDonald

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2011
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Abstract

The Compton Road overpass in southern Brisbane is known to be allowing passage by numerous birds, reptiles and amphibians; but what type of vegetation is providing habitat suitable for these movements? An evaluation of the reconstructed vegetation on the overpass shows that 45 species of plants were present after 4 years of growth. Most of these were in the original planting list but over 40% have almost certainly come from salvaged native topsoil used in the bypass construction. The resulting habitat, 4 years later, now appears similar to a typical coastal eucalypt forest secondary succession, although not yet identical to nearby forest. The current presence of a dense mid-layer of small trees and shrubs may be an important factor in allowing even the edge-avoiding species to cross the road. On-going investigation of successional changes and the changing responses of the birds and other taxa will contribute to understanding the functionality of such crossing structures.

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Ecological Management and Restoration

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12

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1

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Author Posting. Copyright 2011. This is the author's version of the work. It is posted here for personal use, not for redistribution. The definitive version was published in Ecological Management & Restoration, Volume 12, Issue 1, pages 76–79, April 2011, http://dx.doi.org/10.1111/j.1442-8903.2011.00574.x

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Environmental sciences

Landscape ecology

Biological sciences

Agricultural, veterinary and food sciences

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