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Management of power line easement vegetation for small mammal conservation in Australia : a case study of the broad-toothed rat (Mastacomys fuscus)
Within Australia, very little attention has been given to the potential biodiversity benefits of power line easements, if ecologically sensitive management regimes are developed. This study examined the potential power line easements may have for the conservation of small mammals, and in particular the near threatened, Broad-toothed Rat Mastacomys fuscus, in Australia. Easement vegetation was found to support a diverse small mammal community, including M. fuscus if the vegetation was allowed to develop some structural complexity. M. fuscus was one of the first species to recolonize the easement habitat, provided that the areas had regenerated to a sufficient level. Results suggests; however, that the current management technique used, where the entire easement is managed at one time via mass slashing, on short rotation times, is most likely limiting M. fuscus to low abundances, and causing isolation of the current M. fuscus populations. To ensure that power line easements supply functional, usable habitat for small mammals and other species and to minimize their potential to fragment small mammal populations, it is recommended that current management techniques be reassessed. In an effort to develop more appropriate management regimes, it was recommended that rotation times be increased between management, that mass slashing of the easement at one time be reassessed, especially in naturally low growing areas and that rotational type slashing be implemented. Other techniques such as spot spraying, may be all that is needed within some areas to control emergent saplings. This study highlights that potential biodiversity values do exist for Australian power line easements, if some changes occur to the current management practices.
History
Event
International Symposium on Environmental Concerns in Rights-of-Way Management (8th : 2004 : Saratoga Springs, N.Y.)Pagination
467 - 477Publisher
Elsevier B.V.Location
Saratoga Springs, N.Y.Place of publication
Amsterdamn, NetherlandsStart date
2004-09-12End date
2004-09-16ISBN-13
9780444532237ISBN-10
0444532234Language
engPublication classification
E1 Full written paper - refereedEditor/Contributor(s)
J Goodrich-Mahoney, L Abrahamson, J Ballard, S TikalskyTitle of proceedings
The Eighth International Symposium on Environmental Concerns in Rights-of-Way ManagementUsage metrics
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