The Bromilow Trap - a New Risk-Free Soft Trap Suitable for Small to Medium-Sized Macropodids

Kinnear, JE; Bromilow, R. N.; Onus, M. L.; Sokolowski, Res

doi:10.1071/wr9880235

Cited by 32 publications

(7 citation statements)

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“…The development of the Bromilow trap (Kinnear et al 1988) was a significant achievement as it enabled us to safely trap on a sustained basis, without risk and without inducing wholesale trap avoidance behaviour (see frequency of recapture analyses, Appendix Tables 1-3). Our census estimates relied solely on trapping and this meant that if a tagged individual was never caught again, it was assumed to be dead.…”

Section: Census Estimates: Validity Of Resultsmentioning

confidence: 99%

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Fox control and rock-wallaby population dynamics

Kinnear¹,

Onus²,

Bromilow³

1988

Wildl. Res.

204

146

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The population dynamics of five remnant rock-wallaby populations (Petrogale lateralis) persisting on granite outcrops in the central wheatbelt region of Western Australia were monitored over a six year period. From 1979 to 1982 all populations remained relatively static or declined for unknown reasons, but circumstantial evidence implicated fox predation. A fox control program was implemented in 1982 on two outcrops and was maintained for four years with the result that the two resident rock-wallaby populations increased by 138 and 223%. Two rock-wallaby populations occupying sites not subjected to fox control declined by 14 and 85%, and the third population increased by 29%. It was concluded that the fox has probably been a significant factor in the demise and decline of native mammals in the past, and that surviving populations are still at risk. Control of predation pressure on nature reserves was shown to be feasible from a management perspective.

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Section: Census Estimates: Validity Of Resultsmentioning

confidence: 99%

“…that allowed us to repeatedly catch rock-wallabies without risk and undue trauma to all concerned. This trap is fully described by Kinnear et al (1988).…”

Section: Census Methodsmentioning

confidence: 99%

Fox control and rock-wallaby population dynamics

Kinnear¹,

Onus²,

Bromilow³

1988

Wildl. Res.

204

146

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“…A total of 181 specimens of Petrogale lateralis was trapped (Kinnear et al . 1988a) at seven sites in the wheat‐belt of swWA (Fig.…”

Section: Methodsmentioning

confidence: 99%

Source population of dispersing rock‐wallabies (Petrogale lateralis) idengified by assignment tests on multilocus genotypic data

Eldridge

Kinnear²,

Onus³

2001

Molecular Ecology

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The ability to confidently identify or exclude a population as the source of an individual has numerous powerful applications in molecular ecology. Several alternative assignment methods have recently been developed and are yet to be fully evaluated with empirical data. In this study we tested the efficacy of different assignment methods by using a translocated rock-wallaby (Petrogale lateralis) population, of known provenance. Specimens from the translocated population (n = 43), its known source population (n = 30) and four other nearby populations (n = 19-32) were genotyped for 11 polymorphic microsatellite loci. The results identified Bayesian clustering, frequency and Bayesian methods as the most consistent and accurate, correctly assigning 93-100% of individuals up to a significance threshold of P = 0.01. Performance was variable among the distance-based methods, with the Cavalli-Sforza and Edwards chord distance performing best, whereas Goldstein et al.'s (deltamu)2 consistently performed poorly. Using Bayesian clustering, frequency and Bayesian methods we then attempted to determine the source of rock-wallabies which have recently recolonized an outcrop (Gardners) 8 km from the nearest rock-wallaby population. Results indicate that the population at Gardners originated via a recent dispersal event from the eastern end of Mt. Caroline. This is only the second published record of dispersal by rock-wallabies between habitat patches and is the longest movement recorded to date. Molecular techniques and methods of analysis are now available to allow detailed studies of dispersal in rock-wallabies and should also be possible for many other taxa.

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“…For most trapping periods, 30 Bromilow 'soft' traps were situated wherever RW scats were evident (Kinnear et al 1988a;during 2006-07, a mix of 40 Bromilow and Thomas soft traps were used). Trapping sessions were conducted during the dry season (December-April, principally February-March) when RW are most susceptible to live trapping.…”

Section: Methodsmentioning

confidence: 99%

Predator-baiting experiments for the conservation of rock-wallabies in Western Australia: a 25-year review with recent advances

Kinnear¹,

Krebs

Pentland

et al. 2010

Wildl. Res.

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Abstract. Predation is widely believed to be the main threatening process for many native vertebrates in Australia. For 25 years, predator-baiting experiments have been used in the Western Australian Central Wheatbelt to control red fox predation on rock-wallabies and other endangered marsupial prey elsewhere. We review here the history of a series of baiting experiments designed to protect rock-wallaby colonies by controlling red foxes with 1080 poison baits. We continue to support the conclusion that red foxes can reduce or exterminate rock-wallaby populations in Western Australia. Research trials from 1990 to 2008 have uniformly shown a dramatic recovery of rock-wallaby populations once red foxes are baited. Baiting experiments are often black boxes and their success should not blind us to their weaknesses. Ideally, what we would like to measure are the functional responses of predators to prey abundance directly. As a contribution towards this goal, we describe new technology that enables one to determine which predator killed which prey, at exactly what time, with improved research and management outcomes.

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The Bromilow Trap - a New Risk-Free Soft Trap Suitable for Small to Medium-Sized Macropodids

Cited by 32 publications

References 0 publications

Fox control and rock-wallaby population dynamics

Fox control and rock-wallaby population dynamics

Source population of dispersing rock‐wallabies (Petrogale lateralis) idengified by assignment tests on multilocus genotypic data

Predator-baiting experiments for the conservation of rock-wallabies in Western Australia: a 25-year review with recent advances

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