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species decline

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Journal Articles
Australian Zoologist (2018) 39 (3): 414–423.
Published: 01 September 2018
.... In this review we show how the speed and scale of coastal development continues to adversely affect the four remaining areas of habitat where the species has been recorded since 2000. As an ecological specialist, the potoroo may be inherently susceptible to decline in a rapidly changing environment...
Journal Articles
Australian Zoologist (2014) 31 (1): 210–224.
Published: 17 March 2014
.... The specific identity of two species detected from hair and scat samples, Notomys sp. and Rattus sp., remain unclear as do observations made of rat-kangaroos. This paper presents the results of the mammal survey and analyses the habitat1 resource preferences and weight ranges of the extant, declining...
Journal Articles
Australian Zoologist (2014) 30 (2): 237–247.
Published: 17 March 2014
...Michael Mahony The Green and Golden Bell Frog Litoria aurea has undergone a reduction in range and significant population declines during the past 15 years. In this paper the decline is viewed from the perspective of declines and disappearances of other species of frog along the east coast...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 1993
DOI: 10.7882/RZSNSW.1993.044
EISBN: 0-9599951-8-8
... In Queensland since 1978, seven species of frogs have disappeared and populations of another four have seriously declined. All the declines have occurred in upland rainforest and all the species live along or breed in streams. We ask the question “what is wrong with upland rainforest streams...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 1993
DOI: 10.7882/RZSNSW.1993.031
EISBN: 0-9599951-8-8
... This paper reviews the factors involved in the decline, both inter- and intra-specific, of Australian frogs from both disturbed and apparently pristine habitats. Despite a lack of published accounts and an absence of long term population studies, a variety of causes were identified. Habitat...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2004
DOI: 10.7882/FS.2004.034
EISBN: 978-0-9586085-8-9
... characteristics required by tiger quolls. There is reasonably compelling evidence that 1080 poison baiting can cause substantial reductions in tiger quoll populations and poison baiting is likely to be at least partly responsible for the species' decline. There are no data to support competition or predation...
Journal Articles
Australian Zoologist (2004) 32 (4): 605–628.
Published: 01 December 2004
... in a reexamination of the temporal and spatial patterns of decline of these mammals. Shortridge collected a monotreme, 25 species of marsupial, 10 species of bat, 8 species of rodent, as well as rabbits and dingoes (a total of 46 species). He collected in five broad regions: mesic woodland sites in what is now...
Journal Articles
Australian Zoologist (2011) 34 (3): 446–452.
Published: 14 October 2011
... Mahony, M. J. 1999. Review of the declines and disappearances within the Bell Frog species group (Litoria aurea species group) in Australia. Pp. 81-93 in Declines and Disappearances of Australian Frogs, edited by A. Campbell. Environment Australia, Canberra. Declines and Disappearances of Australian...
Journal Articles
Australian Zoologist (2011) 35 (2): 331–340.
Published: 14 October 2011
... areas that is expediting the spread of other invasive species, leading to serious declines in endemic species. Photo, K. Cameron. April 2009. The Christmas Island Expert Working Group in the field, with the Christmas Island National Park head ranger, Max Orchard, and an Abbott s Booby Papasula abbotti...
Journal Articles
Australian Zoologist (2014) 26 (3-4): 109–129.
Published: 17 March 2014
...Peter Smith; Judy Smith The Koala population in Warringah Shire has declined over the last 50 years with increasing urbanization. Koalas were reported from various localities throughout the Shire in the 1940's, 1950's and 1960's. They now occur only at Barrenjoey Peninsula. Ku-ring-gai Chase...
Journal Articles
Australian Zoologist (2014) 33 (3): 345–358.
Published: 17 March 2014
... 2001) over this period in Queensland, and in the South East Queensland Bioregion. Decline in distribution may consist of both local contraction in distribution (measured by area of occupancy) and contraction of the broad distribution of a species (measured by extent of occurrence). Data sources Data...
Journal Articles
Australian Zoologist (2011) 34 (1): 37–77.
Published: 07 October 2011
... . This represents a greater proportion of declining bird species in NSW compared with the whole of Australia - one previous study found that 15% of 422 species had declined nationally. Of 139 woodland species tested, 33 (24%) were recorded less frequently during Atlas 2 , a similar proportion to the broader pattern...
Journal Articles
Australian Zoologist (2014) 30 (3): 316–324.
Published: 17 March 2014
...Cameron Webb; Jean Joss Gambusia holbrooki is a small, aggressive fish introduced into Australia in 1925 to control mosquitoes. It has been suggested that this species may also prey on tadpoles and be a contributing factor in the decline of some Australian frog populations. We examined...
Journal Articles
Australian Zoologist (2019) 40 (1): 49–62.
Published: 01 January 2019
...J.C.Z. Woinarski ABSTRACT Natural environments are now much reduced or modified, with the consequence that many species have declined and become imperilled. However, such modifications have also led to range expansion or population increases in some other native species. Consequently...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2007
DOI: 10.7882/FS.2007.026
EISBN: 978-0-9803272-1-2
... We reviewed published, quantitative studies examining the effects of exotic plants in native vegetation on the species richness and abundance of birds and mammals. We asked whether the incursion of exotic plants into native vegetation has led to consistent declines, increases or no changes...
Journal Articles
Australian Zoologist (2014) 30 (1): 1.
Published: 17 March 2014
...Daniel Lunney EDITORIAL Our declining fauna provokes a diversity of responses The recurrent observation that the fauna of Aust- ralia is drrlining has prnvokd a divenity of ropurlse,. one of the ioost pn)niincnt being thit it IS the tack of z(r)lt,gic!s to docurnc~tl the retreat of the Fauna...
Journal Articles
Australian Zoologist (2014) 30 (2): 248–256.
Published: 17 March 2014
... of any conservation programme is the preparation of a recovery plan for each species that is listed as endangered. Recovery plans describe the tasks that are considered necessary to halt a species' decline and encourage recovery to the extent that a listed species can be delisted (ANCA 1994; Caughley...
Book Chapter
Series: Other RZS NSW Publications
Publisher: Royal Zoological Society of New South Wales
Published: 01 January 2007
DOI: 10.7882/FS.2007.009
EISBN: 978-0-9803272-1-2
... The Asian House Gecko Hemidactylus frenatus is an internationally significant invasive reptile which has spread rapidly though the Pacific and elsewhere and has been implicated in the decline and extinction of a number of native gecko species. Although present in Darwin for some time...
Journal Articles
Australian Zoologist (2014) 37 (1): 76–84.
Published: 02 June 2014
... according to the best currently available sea-level rise prediction. Weed invasion and anthropogenic disturbance are also serious threats, contributing to continued decline in some areas. Adopting a precautionary approach, we assess the species as Endangered under IUCN criteria. Key words: butterfly...
Journal Articles
Australian Zoologist (2020) 41 (1): 107–123.
Published: 01 October 2020
... Sydney. Water levels in Thirlmere Lakes have fluctuated over time, but there has been a recent decline that is of significant concern. In this study, we examined over one year the species composition and richness of zooplankton (Rotifera, Cladocera and Copepoda) and abiotic conditions in Lakes...