1-20 of 291 Search Results for

frequency

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Australian Zoologist (2020) 40 (4): 529–547.
Published: 01 June 2020
... future), 10 are endangered (very high risk of extinction in Australia in the near future) and 35 are vulnerable (high risk of extinction in Australia in the medium- term future). Three woodland bird species formerly The distribution and frequency of detection of woodland birds after selective logging...
Journal Articles
Australian Zoologist (2014) 30 (1): 43–47.
Published: 17 March 2014
... ratio was not significantly different from parity. Vertebral number was a constant eight which is typical for the family Hylidae. There was a vertebral diapophysis asymmetry in one specimen from one population (frequency: 2.4%). The only phalangeal abnormality detected was the late ossification...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2008
DOI: 10.7882/FS.2008.017
EISBN: 978-0-9803272-2-9
Journal Articles
Australian Zoologist (2018) 39 (4): 633–645.
Published: 01 December 2018
... of continuing long-term fire studies in temperate and sub-tropical forest ecosystems, with a focus on terrestrial invertebrates. Longitudinal fire study sites exist in southern Queensland, New South Wales, Victoria, Western Australia and Tasmania. Most studies have focussed on fire frequency and have identified...
Journal Articles
Australian Zoologist (2014) 37 (2): 267–274.
Published: 15 August 2014
... and release of herpetofauna at 30 sample sites (15 with coarse woody debris present within a 20 m proximity and 15 with coarse woody debris absent within a 20 m proximity) using double-ended funnel traps determined that reptile capture frequencies were significantly higher at sites with coarse woody debris...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
DOI: 10.7882/FS.2004.025
EISBN: 978-0-9586085-8-9
... community structure was studied at three locations subjected to different long-term burning frequencies (fire protected, low intensity spring burns at 2-3 year intervals and annual low intensity spring burns). Within the annually burned area, the effects of fire and grazing exclusion for a three-year period...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
DOI: 10.7882/FS.2004.860
EISBN: 978-0-9586085-8-9
... community structure was studied at three locations subjected to different long-term burning frequencies (fire protected, low intensity spring burns at 2–3 year intervals and annual low intensity spring burns). Within the annually burned area, the effects of fire and grazing exclusion for a three-year period...
Journal Articles
Australian Zoologist (2018) 39 (3): 449–463.
Published: 01 September 2018
.... The Tasmanian Masked Owl was found to produce a deeper (lower frequency) screech than mainland Masked Owls. Adult and juvenile Masked Owls produced different screech calls, and paired male and female Masked Owls produced different chatter calls from each other. Comparison of the chatter calls between...
Journal Articles
Australian Zoologist (2017) 38 (4): 610–628.
Published: 01 September 2017
... diet. We established prey importance based on dietary composition of red fox scats, and related this information to landscape structure. The relationship between scat composition and the frequency of detection and spatial patterns of occurrence of small mammals based on survey data from the same region...
Journal Articles
Australian Zoologist (2014) 37 (3): 343–349.
Published: 14 November 2014
... to our knowledge of the biology of this poorly known land snail. Future studies would benefit from obtaining data pertaining to the timing and frequency of fungal dispersal and substrate preferences to gain further understanding about the availability of fungi as a food source. Mitchell's...
Journal Articles
Australian Zoologist (2014) 33 (3): 359–368.
Published: 17 March 2014
... stomachs contained plant material, with lower frequencies of arthropods. Fruits and seeds were the predominant parts of plants consumed. The dominant arthropods eaten were insect larvae and beetles. Occasional vertebrate items found in stomachs were mostly sourced as carrion. No significant differences...
Journal Articles
Australian Zoologist (2014) 30 (2): 170–176.
Published: 17 March 2014
... variability in the Sydney area? Possibly yes, but not drastically to date. 2. Is population differentiation in the area due to the loss of genetic variability following from restrictions on gene flow? Not solely, as there exist differences in the frequency of the G6PD A allozyme in samples from the east...
Journal Articles
Australian Zoologist (2014) 31 (3): 447–457.
Published: 17 March 2014
.... poliocephalus differed among individuals in terms of call length, fundamental frequency and bandwidth of the fundamental component of the call. These differences may reflect a form of ‘vocal signature’ that assists the mother in recognising and locating her young. It is suggested that vocal signals emitted...
Journal Articles
Australian Zoologist (2014) 31 (2): 351–364.
Published: 17 March 2014
... no morphological support. Litter sizes of 3-7 are recorded and reproduction is vernal. The species is omnivorous, with a high frequency of fungi and nocturnal invertebrates in the stomach contents. Adler, K., 1995. Editor's note. P ii. in The lizards of Australia and New Zealand ed by J. E. Gray...
Journal Articles
Australian Zoologist (2014) 31 (3): 443–446.
Published: 17 March 2014
...Lawrence Conole Variations in Large Bentwing-bat Miniopterus schreibersii echolocation call frequency throughout its range in Australia were investigated for patterns. Statistically significant differences were identified between the three main populations. Bats from Byaduk Caves and Warrnambool...
Journal Articles
Australian Zoologist (2014) 31 (4): 618–624.
Published: 17 March 2014
... parameters were examined from five regions throughout Australia. Analysis of these parameters revealed a number of significant differences between the regions, especially in variables related to frequency. However, discriminant function analysis revealed extensive overlap in call parameters for the different...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2012
DOI: 10.7882/FS.2012.015
EISBN: 978-0-9803272-6-7
... however, has suggested that species with much broader distributions could experience significant range reductions by 2070, mainly as a result of a reduction in seasonal rainfall patterns. Changes in the frequency and regularity of rainfall may result in detrimental shifts in pond hydroperiod...
Journal Articles
Australian Zoologist (2011) 34 (4): 522–529.
Published: 20 October 2011
... Perch Macquaria ambigua . Monthly frequency of recapture appeared to follow angling pressure. The length/ weight relationship curves of recaptured fish at tagging and recapture are similar (y=1.49E-06x 3393 and y= 7.32E-06x 31374 respectively), supporting the use of the data for growth analysis. Von...
Journal Articles
Australian Zoologist (2011) 34 (1): 78–84.
Published: 04 October 2011
...). In light of the low frequency of Barking Owls recorded in this and other recent surveys, consideration needs to be given to upgrading the classification of the Barking Owl under the NSW Threatened Species Conservation Act to “Endangered” subject to the undertaking of more comprehensive whole-of-landscape...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2011
DOI: 10.7882/FS.2011.007
EISBN: 978-0-9803272-4-3
.... Detailed studies of species airframe morphologies, echolocation call designs, wingbeat frequencies and amplitudes, and flight muscle masses have revealed that bat sensory systems and aerodynamic packages (including fur and flight muscles) are fully integrated and functionally appropriate to empirical data...