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Some invasive species threaten native species because they possess traits to which natives are evolutionarily naïve. In Australia, many predators have been severely impacted by the introduction of cane toads, which produce toxins that native species have never encountered. Torresian crows, however, have been observed consuming cane toads safely by avoiding their toxin glands, suggesting learned behavioural adaptations. To inve...
Modeling genetic benefits and financial costs of integrating biobanking into the conservation breeding of managed marsupialsNARA Subscribed
Managed breeding programs are an important tool in marsupial conservation efforts but may be costly and have adverse genetic effects in unavoidably small captive colonies. Biobanking and assisted reproductive technologies (ARTs) could help overcome these challenges, but further demonstration of their potential is required to improve uptake. We used genetic and economic models to examine whether supplementing hypothetical capti...
The effect of salt dosing for chytrid mitigation on tadpoles of a threatened frog, Litoria aureaNARA Subscribed
The novel fungal pathogen Batrachochytrium dendrobatidis (chytrid) is one of the greatest threats to amphibians worldwide. Small increases in water salinity (up to ca. 4 ppt) have been shown to limit chytrid transmission between frogs, potentially providing a way to create environmental refugia to reduce its impact at a landscape scale. However, the effect of increasing water salinity on tadpoles, a life stage confined to wate...
High clutch failure rate due to unpredictable rainfall for an ephemeral pool-breeding frogNARA Subscribed
Animals that reproduce in temporary aquatic systems expose their offspring to a heightened risk of desiccation, as they must race to complete development and escape before water levels recede. Adults must therefore synchronise reproduction with the changing availability of water, yet the conditions they experience to trigger such an event may not relate to those offspring face throughout development, potentially leading to clu...
Common, low-frequency, rare, and ultra-rare coding variants contribute to COVID-19 severityNARA Subscribed
The combined impact of common and rare exonic variants in COVID-19 host genetics is currently insufficiently understood. Here, common and rare variants from whole-exome sequencing data of about 4000 SARS-CoV-2-positive individuals were used to define an interpretable machine-learning model for predicting COVID-19 severity. First, variants were converted into separate sets of Boolean features, depending on the absence or the pr...
Beyond species counts for assessing, valuing, and conserving biodiversity: response to Wallach et al. 2019NARA Subscribed
Article impact statement : Combining native and non‐native species to evaluate biodiversity is overly simplistic and may undermine the conservation of ecosystems.
Deconstructing compassionate conservationNARA Subscribed
Compassionate conservation focuses on 4 tenets: first, do no harm; individuals matter; inclusivity of individual animals; and peaceful coexistence between humans and animals. Recently, compassionate conservation has been promoted as an alternative to conventional conservation philosophy. We believe examples presented by compassionate conservationists are deliberately or arbitrarily chosen to focus on mammals; inherently not co...
Invasive species can trigger trophic cascades in animal communities, but published cases involving their removal of top predators are extremely rare. An exception is the invasive cane toad ( Rhinella marina ) in Australia, which has caused severe population declines in monitor lizards, triggering trophic cascades that facilitated dramatic and sometimes unexpected increases in several prey of the predators, including smaller li...
Invasive toads shift predator–prey densities in animal communities by removing top predatorsNARA Subscribed
Although invasive species can have substantial impacts on animal communities, cases of invasive species facilitating native species by removing their predators have rarely been demonstrated across vertebrate trophic linkages. The predictable spread of the invasive cane toad ( Rhinella marina ), however, offered a unique opportunity to quantify cascading effects. In northern Australia, three species of predatory monitor lizards...
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