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Scattered paddock trees and roadside vegetation can provide important habitat for koalas (Phascolarctos cinereus) in an agricultural landscape.

Authors :
Barth, Benjamin J.
FitzGibbon, Sean I.
Gillett, Amber
Wilson, Robbie S.
Moffitt, Beth
Pye, Geoffrey W.
Adam, Dalene
Preece, Harriet
Ellis, William A.
Source :
Australian Mammalogy; 2020, Vol. 42 Issue 2, p194-203, 10p
Publication Year :
2020

Abstract

Habitat loss and fragmentation threaten the survival of koalas in Queensland. In rural landscapes, remaining koala habitat is often in the form of scattered paddock trees, patches of vegetation and roadside vegetation. The aims of this study were to (1) quantify the use of these three habitat types; (2) determine whether there is an increased use of scattered trees during the breeding season; and (3) describe the movement characteristics (daily step-length and turning angle) of koalas in different habitat types. To do this, koalas were caught and fitted with global positioning system (GPS) loggers that recorded their daily locations. We found koalas utilised all three habitat types in both breeding and non-breeding seasons, but roadside vegetation and scattered trees were utilised significantly more than expected based on their availability within the landscape. We found no significant difference in step-length or turning angles in scattered trees compared with patches of vegetation. We conclude that scattered trees are a critical element of habitat in this rural landscape. This work provides evidence that retaining or planting scattered trees within the rural landscape would likely complement or possibly enhance the conservation value of rural landscapes for koalas. We tracked koalas using GPS collars in a rural landscape to examine which habitat types were used: patches of habitat, roadside vegetation or scattered paddock trees. We found koalas used all three habitat types, with paddock trees and roadside vegetation used extensively. We believe planting or retaining paddock trees and roadside vegetation may supplement habitat for koalas in agricultural landscapes, potentially providing a practical means for landowners to increase the conservation value of their land for koalas. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
03100049
Volume :
42
Issue :
2
Database :
Complementary Index
Journal :
Australian Mammalogy
Publication Type :
Academic Journal
Accession number :
143057328
Full Text :
https://doi.org/10.1071/AM18031