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tree age
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Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2011) 34 (1): 22–36.
Published: 04 October 2011
.... However, the number of potential hollows per site was best explained by several environmental variables: vegetation type (highest in dry E. obliqua forest); topographic position; amount of dead trees on the ground; the age of the stand; the average total basal area of all trees; the height...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2011
10.7882/FS.2011.041
EISBN: 978-0-9803272-4-3
... option for managing the hollow-dependent bats in the Pilliga. We predict that local extinctions of a range of hollow-using bat species will occur without active management and monitoring to protect the remaining hollow-bearing trees, and the intermediate-aged, hollow-recruit trees, from logging and fire. ...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2018) 39 (4): 591–609.
Published: 01 December 2018
... were being established; revealed the high rate of loss of hollows in trees still alive; shown that lack of nesting hollows may be limiting breeding; demonstrated the efficacy of artificial hollows; established methods for establishing the timing of egg-laying based on measurements of eggs, and aging...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 1991
10.7882/RZSNSW.1991.007
EISBN: 0-9599951-5-3
... for shortcomings and to target data-deficient areas for survey, insectivorous bats will always be neglected in forest conservation arguments. There is evidence that aged trees with roost hollows are a limiting resource for many species. Gould’s Long-eared bat Nyctophilus gouldi is an indicator of forest quality...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
10.7882/FS.2004.033
EISBN: 978-0-9586085-8-9
... site quality native forest and averaged 15 hectares per koala throughout. The total koala population was estimated by spotlight counts to be 350 to 450 individuals. Variation in scat density (determined by counts in fixed area plots) was best explained by food tree species richness, forest association...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
10.7882/FS.2004.988
EISBN: 978-0-9586085-8-9
..., which takes the older trees and shifts the age-class distribution to younger trees with fewer hollows. A looming threat is climate change. We need an expanded vision that looks beyond the paradigm of conserving special species ( e.g. threatened species) and selected spaces ( e.g . national parks...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
10.7882/FS.2004.875
EISBN: 978-0-9586085-8-9
... Reptile assemblages were examined retrospectively in relation to five age categories of regrowth since the last selective tree harvest ( i.e. , 0–10 years, 11–20 years, 21–40 years, 41–50 years and >50 years/virgin). The aim was to identify indicator species that showed consistent response...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2013) 36 (2): 137–142.
Published: 07 February 2013
... current age of approximately 14 years. Comparisons with Other Python Species Biochemical analysis on tissues from our captive rough- scaled pythons indicate that they belong within the genus Morelia, as a sister-group to the green tree python Morelia viridis of tropical Queensland, New Guinea...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 1991
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
Journal:
Australian Zoologist
Australian Zoologist (2013) 36 (4): 441–460.
Published: 19 September 2013
... wildfire that occurred in late summer (Ashton 1981). Such severe wildfires may be of sufficiently high intensity to kill almost all of the overstorey trees, which release seeds from their crowns that germinate as young regenerating stems of a uniform aged cohort (Ashton 1976). Lower severity fires can...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2023) 43 (1): 1–144.
Published: 25 August 2023
... trees, and more specifically maternity roost trees, are of a larger diameter class. Trees larger than 80cm in diameter at breast height, with basal hollows, are reported as a commonly used feature (Goldingay 2009; Cawthen et al. 2021). This highlights the importance of protecting the older age (larger...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2023) 43 (1): 109–115.
Published: 11 May 2023
... trees, and more specifically maternity roost trees, are of a larger diameter class. Trees larger than 80cm in diameter at breast height, with basal hollows, are reported as a commonly used feature (Goldingay 2009; Cawthen et al. 2021). This highlights the importance of protecting the older age (larger...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2023) 43 (2): 199–219.
Published: 10 November 2023
..., and adults may have young from two breeding seasons accompanying them. The breeding biology of Red-tailed Cockatoos is compared with that of closely related species from the genera Calyptorhynchus and Zanda. Threats to the species are loss of mature hollow-bearing trees and almost complete dependence...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2020) 41 (2): 220–230.
Published: 11 November 2020
...., unpublished data). A further form of fire-environment interaction concerns the inter-relationships between fire, the age of a stand at the time it is burned, and the development of new cohorts of hollow-bearing trees. While past fires have produced pulses of habitat for species such as Leadbeater s Possum...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2023) 43 (1): 1–14.
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 nesting microhabitat Gap Light Analysis radio tracking Isoodon Perameles Selection, characteristics, and frequency...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2022) 42 (2): 631–642.
Published: 04 January 2022
... before stands of trees reach an age where they will produce sawlogs (~80 years; Cary et al. 2021). This, in turn, creates added pressure to continue to extract timber on limited remaining unlogged and unburnt forests, many areas of which have considerable value for biodiversity (Taylor and Lindenmayer...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2018) 39 (3): 464–468.
Published: 01 September 2018
...David B. Lindenmayer; Lachlan McBurney; David Blair; Sam Banks ABSTRACT Many species of arboreal marsupials move regularly between den sites in hollow-bearing trees. We show, based on short-term radio-tracking data, that the Critically Endangered Leadbeater's Possum ( Gymnobelideus leadbeateri...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2021) 41 (4): 743–752.
Published: 02 February 2021
.... Observations of denning (n=66) across 22 den trees identified that the gliders utilised between 1 and 4 dens during the study. Den trees were predominantly large Blue gum Eucalyptus tereticornis , with Gum-topped box Eucalyptus moluccana, Narrow-leafed ironbark Eucalyptus drepanophylla, Tindale’s stringybark...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2022) 42 (2): 592–607.
Published: 31 August 2022
... radius of the survey site. Supported models revealed that colonisation over time was positively associated with the density of hollow-bearing trees at a site, while extinction was positively associated with the extent of high severity wildfire at a site. Despite wide confidence intervals, the long-term...
Journal Articles
Journal:
Australian Zoologist
Australian Zoologist (2020) 41 (2): 241–253.
Published: 11 November 2020
...). Stand age influences the structure of Mountain Ash forests (Lindenmayer et al. 2000) and this may lead to spatial variation in access to food and/or ease of movement by Sambar Deer. For example, the size and the density of trees, disturbance history and the diversity of the ground understorey varies...
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