Australia's most imperilled vertebrates

Garnett, Stephen T.; Hayward-Brown, Brittany K.; Kopf, R. Keller; Cameron, Kerry A.; Chapple, David G.; Copley, Peter; Fisher, A.; Gillespie, Graeme R.; Latch, Peter; Legge, Sarah; Lintermans, Mark; Moorrees, Adrian; Page, Monte M.; Renwick, Juanita; Birrell, Jessica; Kelly, Dave; Geyle, Hayley M.

doi:10.1016/j.biocon.2022.109561

Cited by 21 publications

(10 citation statements)

References 63 publications

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“…Six years later, the aspiration to prevent extinction is explicit in 'Objective 3: New extinctions of plants and animals are prevented' (Australian Government 2022). Our results suggest that the Australian Government could support the strategy with substantial resources, especially as the species in greatest peril are known (Garnett et al 2022).…”

Section: Policy Implicationsmentioning

confidence: 79%

The Australian public worries more about losing species than the costs of keeping them

et al. 2023

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Summary Government conservation measures will always depend on public support. While more has been learnt about which species the public values and which conservation measures are socially acceptable, less is known about the criteria that the public thinks government should consider when making conservation investment decisions. This study uses a stated preference best–worst scaling method to gauge the views of a sample of the Australian public on what they think government should consider when allocating funding to threatened species conservation. We found that the three most important factors were the risk that a species might become extinct, the likelihood that a conservation intervention might be effective and the risk of unintended consequences for other species that could potentially arise if the measure was implemented. Costs of conservation measures and the degree to which the society accepts these costs were considered much less important. The latter aspect was consistent with the high level of trust that respondents placed in the judgement of experts and scientists concerning threatened species conservation. We conclude that the Australian Government has a societal mandate to spend more money on threatened species conservation, provided that there is little risk and that it is backed up by science.

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Section: Policy Implicationsmentioning

confidence: 79%

The Australian public worries more about losing species than the costs of keeping them

et al. 2023

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“…We used a Delphi expert elicitation process (Hemming et al, 2018) facilitated using the PACES tool to obtain estimates of the decision tree parameters. This approach is widely applied in conservation settings where data are sparse, including estimates of extinction risk among vertebrates (Garnett et al, 2022), prioritizing conservation management of freshwater systems (Pearson et al, 2022) and planning for marine protected areas (Sykora‐Bodie et al, 2021). Participants estimated the likelihood of chance events and predicted wild population outcomes (with credible intervals) for each branch of the decision tree (Figure 1).…”

Section: Methodsmentioning

confidence: 99%

Decision analysis for the planning and assessment of ex situ management: An application to the endangered mahogany glider

et al. 2023

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Ex situ ('off-site') management refers to keeping species in artificial conditions away from their natural habitat and includes captive breeding facilities, botanical gardens and seed banks. There is scope for ex situ programmes to be more commonly used for supplementing or establishing wild populations. However, undertaking ex situ management comes with risks, costs and uncertainties, which must be assessed in the context of available in situ ('on-site') management options. The PACES (Planning and Assessment for Conservation through Ex situ management) tool tailors the principles of structured decision-making to the specific problem of assessing and comparing ex situ and in situ management options. We applied the PACES tool to the mahogany glider (Petaurus gracilis), a threatened arboreal marsupial endemic to north Queensland, Australia. Through an expert elicitation process, we predicted the likely benefits of an ex situ and two in situ management options, as compared to a baseline 'do-nothing' scenario. The 'in situ plus' alternative (where extra resources are dedicated to in situ management) was predicted to result in the largest population increase according to the participants' best estimates. However, this benefit came at a much larger cost than the ex situ alternative, and without the benefit of an ex situ insurance population. The PACES tool assessment allowed the Mahogany Glider Recovery Team to document and plan the financial costs, risks and benefits of potential future management options for the mahogany glider, laying a transparent basis for future assessment and decision-making.

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“…Three vertebrate species have been declared extinct in the last fifteen years: the Christmas Island PIPISTRELLE (Pipistrellus murrayi), Christmas Island FOREST SKINK (Emoia nativitatis) and Bramble Cay melomys (MELOMYS rubicola). There is a > 50% likelihood that a further 16 vertebrate taxa, for which there have been no recent verified records, are already extinct, with four almost certainly extinct (Garnett et al 2022).…”

Section: Australia's Rich Biodiversity Is In Crisismentioning

confidence: 99%

Australia's biodiversity crisis and the need for the Biodiversity Council

Dielenberg,

Bekessy,

Cumming

et al. 2023

Eco Management Restoration

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Australia's most imperilled vertebrates

Cited by 21 publications

References 63 publications

The Australian public worries more about losing species than the costs of keeping them

The Australian public worries more about losing species than the costs of keeping them

Decision analysis for the planning and assessment of ex situ management: An application to the endangered mahogany glider

Australia's biodiversity crisis and the need for the Biodiversity Council

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