Fox control and rock-wallaby population dynamics

Kinnear, J.E.; Onus, M. L.; Bromilow, R. N.

doi:10.1071/wr9880435

Cited by 205 publications

(155 citation statements)

References 5 publications

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“…Studies on the impacts of introduced predators on Australia's native wildlife have focused primarily on direct predatory impacts (e.g. Kinnear, Onus & Bromilow, 1988;Priddel, 1989 ;Kinnear, Onus & Sumner, 1998 ;Mahon, 1999;Kinnear, Sumner & Onus, 2002). However, several authors have suggested that introduced predators may also impact upon native species through competition for resources such as food, territories and den sites (e.g.…”

Section: Introductionmentioning

confidence: 99%

Complex interactions among mammalian carnivores in Australia, and their implications for wildlife management

2005

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Mammalian carnivore populations are often intensively managed, either because the carnivore in question is endangered, or because it is viewed as a pest and is subjected to control measures, or both. Most management programmes treat carnivore species in isolation. However, there is a large and emerging body of evidence to demonstrate that populations of different carnivores interact with each other in a variety of complex ways. Thus, the removal or introduction of predators to or from a system can often affect other species in ways that are difficult to predict. Wildlife managers must consider such interactions when planning predator control programmes. Integrated predator control will require a greater understanding of the complex relationships between species.In many parts of the world, sympatric species of carnivores have coexisted over an evolutionary time scale so that niche differentiation has occurred, and competition is difficult to observe. Australia has experienced numerous introductions during the past 200 years, including those of the red fox (Vulpes vulpes) and the feral cat (Felis catus). These species now exist in sympatry with native mammalian predators, providing ecologists with the opportunity to study their interactions without the confounding effects of coevolution.Despite an increasing body of observational evidence for complex interactions among native and introduced predators in Australia, few studies have attempted to clarify these relationships experimentally, and the interactions remain largely unacknowledged. A greater understanding of these interactions would provide ecologists and wildlife managers world-wide with the ability to construct robust predictive models of carnivore communities, and to identify their broader effects on ecosystem functioning. We suggest that future research should focus on controlled and replicated predator removal or addition experiments. The dingo (Canis lupus dingo), as a likely keystone species, should be a particular focus of attention.

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Section: Introductionmentioning

confidence: 99%

Complex interactions among mammalian carnivores in Australia, and their implications for wildlife management

2005

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“…Only two individuals were caught, but this experience led us to suspend our trapping endeavours pending the subsequent development of the original Mark 1 Bromilow soft trap (Kinnear et al 1988) (Fig. 1a).…”

Section: Historical Backgroundmentioning

confidence: 99%

“…The original Mark I chamber consisted of netting that visually exposed the lure (apple) to interested rock-wallabies (Kinnear et al 1988). The rock-wallabies soon learned to attack the lure from the outside and, in doing so, they frequently triggered the trap.…”

Section: The Mark I Capture Chambermentioning

confidence: 99%

“…1a) (Kinnear et al 1988) consisted of an aluminum framework fixed to an aluminum doorframe, with a capture chamber consisting of small-meshed fish-netting shaped like a slightly tapered blind windsock. The netting was attached to the entrance doorframe and suspended by ropes to the rear of the frame.…”

Section: The Original Basic Designmentioning

confidence: 99%

“…Apart from achieving this goal, other benefits accrue from a modelling aspect; the fewer traumas associated with capturing an animal, the greater the probability of generating a more useful capture history and more reliable statistics. Live trapping, whereupon an individual is marked, released and recaptured (preferably repeatedly), can be a productive method because, apart from providing population estimates, it can also provide other vital statistics of interest (Kinnear et al 1988(Kinnear et al , 2002(Kinnear et al , 2010Krebs 1999).…”

Section: Introductionmentioning

confidence: 99%

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The Mark II Bromilow Kinnear humane soft trap: a major upgrade

Kinnear¹,

Bromilow²,

Moore

2014

Aust. Mammalogy

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Abstract. The Bromilow soft trap was originally created to counter the propensity of black-flanked rock-wallabies (Petrogale lateralis lateralis, hence black-flanked) to harm themselves in wire traps. It achieved that goal commendably and has proven to be durable and versatile as it is also suitable for trapping other medium-sized mammals. Major improvements have been incorporated without altering the basic design thus enabling existing traps to be readily upgraded.The traps are now 15% lighter, and easier to set with a new more reliable trigger. The shroud has been discarded, and it now folds more compactly for transport and storage. The capture chamber is constructed of new materials designed to enable an animal to be extracted more readily.These modifications are described in detail along with illustrations. For anyone intending on building a new trap, free professional-grade architectural drawings of the framework and components are available via the web (see text).Additional keywords: improved humane live trap, medium-sized mammals.

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Fluoroacetate content of some species of the toxic Australian plant genus, gastrolobium, and its environmental persistence

et al. 1996

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Gas chromatography confirmed the relatively high concentrations of fluoroacetate found in toxic Gastrolobiums, a genus of indigenous Australian plants. Fluoroacetate concentration in these plants ranged from 0.1 to 3875 micrograms/g (ppm) dry weight, with young leaves and flowers containing the highest concentrations. However, there was considerable intrastand variation between individual plants of at least two species with coefficients of variation ranging from 94% to 129%. Despite the high concentrations of fluoroacetate in many species, only one of nine soil samples collected from beneath these plants contained fluoroacetate. None of the 16 water samples collected from nearby streams and catchment dams contained fluoroacetate. This suggests that fluoroacetate does not persist in this environment. Fluoroacetate was also found in the genus Nemcia, and very low levels of fluoroacetate (ng/g) were detected in the foodstuffs, tea and guar gum. The latter indicates that other plant species may produce biologically insignificant amounts of fluoroacetate.

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Fox control and rock-wallaby population dynamics

Cited by 205 publications

References 5 publications

Complex interactions among mammalian carnivores in Australia, and their implications for wildlife management

Complex interactions among mammalian carnivores in Australia, and their implications for wildlife management

The Mark II Bromilow Kinnear humane soft trap: a major upgrade

Fluoroacetate content of some species of the toxic Australian plant genus, gastrolobium, and its environmental persistence

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