Corrigendum to: The threats to Australia’s imperilled species and implications for a national conservation response

Kearney, Stephen G.; Carwardine, Josie; Reside, April E.; Fisher, Diana O.; Maron, Martine; Doherty, Tim S.; Legge, Sarah; Silcock, Jennifer; Garnett, Stephen T.; Wintle, Brendan A.; Watson, James

doi:10.1071/pc18024_co

Cited by 24 publications

(17 citation statements)

References 92 publications

(111 reference statements)

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“…Invasive mammalian predators are a leading cause of biodiversity decline and loss globally (Long 2003, Doherty et al 2016. In Australia, predation by two invasive carnivorous mammals is regarded as a major driver of the decline and extinction of many small vertebrate species (Dickman 1996a, Woinarski et al 2015 and the threat to extant fauna is ongoing (Kearney et al 2019). Over the last 150 yr, the red fox (Vulpes vulpes) has become established in all Australian mainland habitats south of the tropics (Saunders et al 1995) and it shares these areas with another invasive predator, the feral cat (Felis catus), which is distributed continent-wide and was introduced with European settlement through the 18th and 19th centuries (Abbott 2008).…”

Section: Introductionmentioning

confidence: 99%

Space use and interactions of two introduced mesopredators, European red fox and feral cat, in an arid landscape

Roshier

Carter

2021

Ecosphere

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Introduced mammalian predators are drivers of species decline and extinction globally. The successful management and control of introduced mammalian predators is dependent on some knowledge of space use and movements in order to target a population and monitor outcomes. In Australia, these tasks are made complex as there is more than one significant introduced mammalian predator, namely the European red fox Vulpes vulpes and feral cat Felis catus, the landscapes are vast, and individual-level interactions between predators are little studied. The impact of these two introduced predators is large and a significant factor in the extinction of many of the country's small-to medium-sized mammals, either regionally or globally. In a three-year study, we used high-frequency location data, the deployment of the latest GPS tracking technologies, and recent advances in statistical modeling to examine how these two species distributed themselves in space, the degree to which individual distributions overlapped, intraand interspecific interactions, and temporal patterns of activity in an arid landscape. In the absence of an apex predator, the two introduced mesopredators showed large differences in how they distribute themselves across the landscape and interact with conspecifics. The red fox mostly occupies defined territories, while most feral cats roam apparently independent of each other with occasional periods of frequent interaction with conspecifics of either sex. Intraspecific attraction was strongest in cats, while interspecific avoidance was observed in both directions. The home ranges of feral cats that were range-resident were 3-3.5 times larger than foxes in the same landscape. Notably, we observed long-distance movements in feral cats and some were displaced up to 164 km from their point of release. A greater portion of the feral cat population were non-sedentary and therefore likely less amenable to local control efforts than foxes. Given the different patterns of distribution in time and space, the reliable monitoring of population trends or estimates of abundance will necessarily differ in extent, intensity, or duration for the same level of precision and/or require a different method for monitoring each population.

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Section: Introductionmentioning

confidence: 99%

Space use and interactions of two introduced mesopredators, European red fox and feral cat, in an arid landscape

Roshier

Carter

2021

Ecosphere

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“…Invasive species incursions can affect agricultural productivity, access to export markets, public health, and the conservation of biodiversity, natural and built environments (Hart and Bomford, 2006). Incursions cost Australia's primary producers in excess of AUD$700 million per annum and are the primary force driving the decimation of Australia's unique fauna and flora (Kearney et al, 2019). These cumulative effects can lead to increased production costs, loss or restrictions to export trade, reduced tourism, loss of biodiversity, greater public health costs and reduced public amenity (McLeod, 2016).…”

Section: Introductionmentioning

confidence: 99%

Conditions for Investment in Genetic Biocontrol of Pest Vertebrates in Australia

Carter

Mankad

Campbell³

et al. 2022

Front. Agron.

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Managing pest vertebrate species in Australia is a significant challenge for government, industry, research sectors and land-managers. Innovative tools such as genetic biocontrol offers decision-makers a potentially effective means of reducing the impact of pest species incursions. To determine the conditions for investment in genetic biocontrol, we applied qualitative engagement methodologies to identify and integrate existing knowledge of pest species research and management in Australia. Two facilitated workshops were held to determine key topics related to genetic biocontrol technologies for selected pest species. The topics explored during workshop discussions included: identifying existing knowledge gaps; risk perceptions; social and ethical considerations and; industry and business considerations. The workshops' aim was to assess the potential, the priorities and the risk parameters among expert stakeholders and decision-makers for using genetic biocontrol approaches to reduce the impacts of key pest species in Australia. This paper reports on the design, process and outcomes of each workshop to inform the creation of a decision framework. Stakeholders were cautiously optimistic of pursuing continued research and development for vertebrate pest management in Australia. However, employing an appropriate, transparent process for incorporating diverse stakeholder perspectives on genetic biocontrol technologies is essential to ensure their development and use remains supported. This outcome will require meaningful investment in both social science investigations and well-considered engagement processes concurrent with biotechnology development globally.

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“…While the relevant contributions and potential synergies of habitat degradation versus invasive alien species has been debated (e.g. Didham et al 2005Didham et al , 2007Strayer 2010;Doherty et al 2015), it is increasingly recognised that alien species can be a severe threat to native fauna in their own right (Dickman 1996;Clavero and García-Berthou 2005;Salo et al 2007;Woinarski et al 2015;Bellard et al 2016;Kearney et al 2019). Clavero and García-Berthou (2005) found 20% of the 680 species extinctions listed by the IUCN were directly caused by alien species invasions.…”

Section: Introductionmentioning

confidence: 99%

Alien fish ascendancy and native fish extinction: ecological history and observations on the Lower Goodradigbee River, Australia

Kaminskas

2022

Pacific Conserv. Biol.

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Context. The Murray-Darling Basin -Australia's largest river systemis heavily dominated by alien fish. Native fish species have suffered numerous localised extinctions and ~47% are listed on federal and/or state threatened species lists. Aims. This paper explores the hypothesis that alien fish and alien fish stockings can be the primary cause of decline and localised extinction of large-bodied native fish species, as opposed to habitat degradation and river regulation. The Lower Goodradigbee River, which is unregulated, in excellent instream health over the great majority of its course, and replete with high quality habitat, is utilised as a case study. Methods. I investigated the hypothesis by synthesising historical records with contemporary scientific research and recent field observations. The role of alien fish species, particularly alien trout species (Oncorhynchus mykiss and Salmo trutta) and constant stockings of them, were closely examined. Results. Data support the hypothesis that domination by alien trout species and their continual stocking have lead to historical declines and localised extinctions of large-bodied native fish species. Continued alien trout stockings, along with more recent invasions of alien carp (Cyprinus carpio) and alien redfin perch (Perca fluviatilis), are inhibiting native fish recovery. A suspected field sighting of the alien fish pathogen atypical Aeromonas salmonicida is reported, and the status of the declining native crayfish Murray cray (Euastacus armatus), and potential alien fish impacts upon them, are examined. Conclusions. The impacts of alien fish and alien fish stocking in Australia require major re-evaluation and dedicated research. Implications. It is strongly recommended that stocking of alien trout into the Lower Goodradigbee River for angling cease in order to conserve surviving native fish and Murray cray populations. Conservation stockings to effect a Murray cod (Maccullochella peelii) recovery in the Lower Goodradigbee River are warranted.

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Corrigendum to: The threats to Australia’s imperilled species and implications for a national conservation response

Cited by 24 publications

References 92 publications

Space use and interactions of two introduced mesopredators, European red fox and feral cat, in an arid landscape

Space use and interactions of two introduced mesopredators, European red fox and feral cat, in an arid landscape

Conditions for Investment in Genetic Biocontrol of Pest Vertebrates in Australia

Alien fish ascendancy and native fish extinction: ecological history and observations on the Lower Goodradigbee River, Australia

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