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Bat Detection

Ultrasonic bat detection was carried out on two consecutive nights using an
anabat detector with a sound-activated recorder. On both nights the detector
was located near a likely flyway, and left to record for at least three hours
after dusk. A one hour handheld anabat survey was also undertaken in the
study area. The tapes were analysed by Martin Rhodes of Suburban Wildlife
Laboratories.

Call Playback

A call playback survey for Powerful Owls (Ninox strenua) was conducted after
sunset on one night at Site 3 (on the eastern hill) and involved an initial 10
minute listening period followed by a five minute broadcast and a further 10
minute listening period.

Diurnal Bird Surveys

Bird surveys were undertaken throughout all habitat types over several days
resulting in a total of 4 person hours of bird surveys. All bird species
observed or heard during this period were recorded. Incidental sightings were
also recorded while undertaking other survey tasks.

Active Searches For Reptiles

Opportunistic searches were carried out throughout all habitat types while
undertaking other survey tasks both at night and during the day. The method
involved searching potential sheltering sites by turning over rocks, logs and
other ground debris and looking behind loose bark on standing trees.

Amphibian Surveys

Nocturnal searches for amphibians were carried out after rain on two different
nights. Bodies of water on and close to the study site were searched for frogs.
Spotlight searches were also conducted on the bitumen roads adjacent to the
site.

 

ENVIRONMENTAL RESOURCES MANAGEMENT AUSTRALIA 8030724 ECOLOGICAL REPORT/FINAL/ 17 SEPTEMBER 2003