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age structure

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Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2007
DOI: 10.7882/FS.2007.016
EISBN: 978-0-9803272-1-2
... in drought years in spite of food shortage or high density. In testing the claims against the evidence, age-specific fecundity, demographic sensitivity, and age structure of M. giganteus populations are quantified. The hypothesis of Arnold et al . (1991) and Dawson (1995), that mortality of sub-adults...
Journal Articles
Australian Zoologist (2011) 35 (2): 160–165.
Published: 14 October 2011
... in the face of uncertainty. Opposition to the harvest now continues from animal rights groups whose concerns have shifted from overall harvest sustainability to side effects such as animal welfare, and changes to community structure, genetic composition and population age structure. Many of these concerns...
Journal Articles
Australian Zoologist (2014) 30 (3): 330–339.
Published: 17 March 2014
... population argon age and sex structure compared with populations that were ether non-commercially- shot or were protected from shooting It was found, however that shooting In general (whether commercial or non-commercial) decreased the presence of large pouch-young thus delaying the reproductive activity...
Journal Articles
Australian Zoologist (2023)
Published: 20 January 2023
..., retain patches of unburnt dense undergrowth to ensure a mosaic of different aged habitat and habitat structure. 2 Corresponding author: christopher.macgregor@anu.edu.au © 2023 Royal Zoological Society of New South Wales 2023 nesting microhabitat Gap Light Analysis radio tracking...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
DOI: 10.7882/FS.2004.033
EISBN: 978-0-9586085-8-9
..., forest structure and logging history. Koalas preferred structurally complex, uneven-aged forests with some mature and oldgrowth elements, a large basal area, and mixed species associations dominated by tallowwood, grey gum and forest oak. Koalas were least abundant in plantations and structurally uniform...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 1991
DOI: 10.7882/RZSNSW.1991.014
EISBN: 0-9599951-5-3
... Old-growth forests of south-east Australia are characterized by high numbers of large live trees, stags and large logs on the ground and in streams . These features dominate the forest structure and In large part determine composition (including flora and fauna) and function (energy flow...
Journal Articles
Australian Zoologist (2011) 34 (2): 184–189.
Published: 10 October 2011
... minimum carcase weights. The Journal of the Australian Kangaroo Industry, Number 34. Wilson G. R. 1975. Age structures of populations of kangaroos (Macropdidae) taken by professional shooters in New South Wales. Australian Wildlife Research 2: 1-9. Age structures of populations of kangaroos...
Journal Articles
Australian Zoologist (2014) 32 (1): 76–100.
Published: 17 March 2014
... of a nomadic nectarivore, the Grey-headed flying fox, Pteropus poliocephalus in New South Wales, during a period or resource concentration Australian Zoologist 31 240 43 Ferson, S. and Akcakaya, H.R., 1990. Modelling fluctuations in age-structured populations. RAMAS/age User Manual. Applied...
Journal Articles
Australian Zoologist (2011) 35 (3): 698–710.
Published: 20 October 2011
...-fox as a Threatened Species in New South Wales 20 28 Divljan, A. 2008. Population ecology of the Grey-headed Flying-fox, Pteropus poliocephalus: A study on the age-structure and the effects of mortality on a vulnerable species. PhD thesis. University of Sydney, Sydney, NSW. Population...
Journal Articles
Australian Zoologist (2014) 21 (1): 63–74.
Published: 17 March 2014
... river system, Western Australia. Rec. West. Aust. Mm. 8: 1-55. CHUBB, C. F., POTTER, I. c., GRANT, C. J., LENANTON, R. C. J. and WALLACE (1981). The age structure, growth rata and movements of sea mullet. Mugil cephdus L., and yellow-eye mullet, Aldrichetta jorsteti (Valenciennes), in the Swan-Avcm...
Journal Articles
Australian Zoologist (2022) 42 (2): 631–642.
Published: 04 January 2022
... severity and the age of a stand at the time of burning affects the recovery of regenerating vegetation (Bowd et al. 2021b) and determines whether the regenerating forest will be multi-aged or will be a structurally simplified, young single-aged forest (Lindenmayer et al. 2019b). The species richness...
Journal Articles
Australian Zoologist (2015) 37 (4): 492–500.
Published: 01 September 2015
...). Historical cetacean incident records have provided important baseline information on cetacean populations, such as regional species richness (see Byrd et al. 2014), and demographic data (e.g. body size, age structure; Mattson et al. 2006). Data collected from wildlife incidents are often used to identify...
Journal Articles
Australian Zoologist (2020) 41 (2): 220–230.
Published: 11 November 2020
... (which were up to 6m tall) as dense canopy trees regenerated (Blair et al. 2017b). Landscape structure and old growth extent The 2009 wildfires have contributed to major changes in the age class composition of Mountain Ash forest landscapes. These fires, coupled with earlier conflagrations over the past...
Journal Articles
Australian Zoologist (2011) 34 (1): 22–36.
Published: 04 October 2011
... of the environmental variables. The variables chosen were those for which spatial (GIS) information was available (i.e. vegetation community, vegetation age structure, slope, aspect, distance to stream, altitude and age of stand). A log-linear model was fitted with the count of trees with potential hollows...
Journal Articles
Australian Zoologist (2020) 40 (4): 628–635.
Published: 01 June 2020
...Caroline J. Blackmore; Jennifer R. Ovenden; Toby P. Piddocke; Les Christidis ABSTRACT Failure to consider genetic structure in fish populations when collecting aquaculture broodstock can negatively affect fitness, and hence conservation and management goals. Here we used mitochondrial DNA from...
Journal Articles
Australian Zoologist (2011) 35 (3): 550–554.
Published: 20 October 2011
... Island hint at an interesting demographic profile for this population. There is a small cohort with high tooth wear suggesting relatively great age. Work is continuing to develop an effective means to determine the age of these individuals so as to understand the age structure of this island population...
Journal Articles
Australian Zoologist (2020) 41 (2): 241–253.
Published: 11 November 2020
... and conclude with some commentary on the limitations of this study. Forest age class effects We found a complex relationship between the occurrence of Sambar Deer pellets and the age of Mountain Ash forest (Table 3 and Figure 3a). Stand age influences the structure of Mountain Ash forests (Lindenmayer et al...
Journal Articles
Australian Zoologist (2017) 38 (4): 518–536.
Published: 01 September 2017
... history may have had on the genetic structure of the current koala population in South Gippsland, which is the only known koala population in Victoria that does not originate from animals re-introduced as part of the Victorian translocation program. Following European colonisation of Australia, a range...
Journal Articles
Australian Zoologist (2019) 40 (2): 231–236.
Published: 01 December 2019
...). Bonnet, X., Brischoux, F., Pinaud, D., Michel, C.L., Clobert, J., Shine, R., and Fauvel, T. 2015. Spatial variation in age structure among populations of a colonial marine snake: the influence of ectothermy. Journal of Animal Ecology 84, 925-933. doi: 10.1111/1365-2656.12358 Brischoux, F., Bonnet, X...
Journal Articles
Australian Zoologist (2013) 36 (4): 441–460.
Published: 19 September 2013
... result in multi-aged stands when the fire stimulates a regeneration cohort but the fire intensity is insufficient to kill all overstorey trees (McCarthy and Lindenmayer 1998). The effects of fire on stand structure are linked to the age of a forest at the time it is burned. Fire in an old growth forest...