Riparian zones are an important habitat for a range of bat species and, as a consequence, understanding whether land use practices such as timber harvesting influence their use is important for conservation and management. This small-scale study used bat activity as a measure of the use of riparian and up-slope zones along headwater streams by bats, and to determine whether past timber harvesting influenced the use of these areas by bats by comparing regrowth with no retained riparian buffers and mature forest. This study found no significant differences in bat activity between treatments, but did find a trend of higher bat activity in riparian zones compared to up-slope zones, particularly in regrowth forest. However, many sites had little to no bat activity indicating activity was influenced by factors not measured in this study. Despite limited data, this study highlights the potential value of retaining riparian habitat in harvested forests for bats, as is practised elsewhere in Australia, and the need for future research into the effectiveness of forest retention measures for wildlife.
Insectivorous bat activity in timber production forests in the headwaters of the South Esk River, North East Tasmania
Lisa Cawthen, Markus Utesch, Nina Koch, Sarah Munks; Insectivorous bat activity in timber production forests in the headwaters of the South Esk River, North East Tasmania. Australian Zoologist 1 January 2012; 36 (1): 1–4. doi: https://doi.org/10.7882/AZ.2012.001
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