ArticleScientific reports2019
Physiological stress levels in wild koala sub-populations facing anthropogenic induced environmental trauma and disease.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 38 citations in OpenAlex.
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- Development and Validation of a Standardised Genomic Tool for Conservation Management of the Koala (Animals : an open access journal from MDPI · 2025Article
- Temporal dynamics of koala retrovirus plasma RNA load in relation to faecal glucocorticoid metabolites and Chlamydia infection.The Journal of general virology · 2025Article
- Preliminary Evidence of Chlamydiosis in Koalas of the Greater Geelong Region, Victoria: A Potential Emerging Threat?Animals : an open access journal from MDPI · 2025Article
- The Release of Non-Native Gamebirds Is Associated With Amplified Zoonotic Disease Risk.Ecology letters · 2025Article
- Home ranges and movements of an arboreal folivore after wildfire: comparing rehabilitated and non-rehabilitated animals in burnt and unburnt woodlands.Movement ecology · 2024Article
- Epidemiology, Transmission Mode, and Pathogenesis ofAnimals : an open access journal from MDPI · 2024Review
- A retrospective epidemiological study of sarcoptic mange in koalas (International journal for parasitology. Parasites and wildlife · 2024Article
- The Utility of the Koala Scat: A Scoping Review.Biology · 2024Article
- A novel multi-variate immunological approach, reveals immune variation associated with environmental conditions, and co-infection in the koala (Phascolarctos cinereus).Scientific reports · 2024Article
- Human disturbance increases coronavirus prevalence in bats.Science advances · 2023Article
- Attitudes and Beliefs of a Sample of Australian Dog and Cat Owners towards Pet Confinement.Animals : an open access journal from MDPI · 2023Article
- The Effect of Disease and Injury on Faecal Cortisol Metabolites, as an Indicator of Stress in Wild Hospitalised Koalas, Endangered Australian Marsupials.Veterinary sciences · 2023Article
- Resident wild koalas show resilience to large-scale translocation of bushfire-rescued koalas.Conservation physiology · 2023Article
- Native species exhibit physiological habituation to invaders: a reason for hope.Proceedings. Biological sciences · 2022Article
- A Review of Non-Invasive Sampling in Wildlife Disease and Health Research: What's New?Animals : an open access journal from MDPI · 2022Review
- The gut microbiome as an indicator of habitat disturbance in a Critically Endangered lemur.BMC ecology and evolution · 2021Article
- Seasonal Variations of Faecal Cortisol Metabolites in Koalas in South East Queensland.Animals : an open access journal from MDPI · 2021Article
- Animal Harms and Food Production: Informing Ethical Choices.Animals : an open access journal from MDPI · 2021Article
Corrections and comments
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Australian small mammals such as koalas must cope with immense pressure from anthropogenic induced stressors or trauma such as bushfires, vehicle collision impacts and habitat disturbance and land clearance. In addition, they must cope with diseases such as chlamydia. To date, there is no published literature on physiological stress levels in wild koala populations compared with identified environmental stressors. This study investigated physiological stress levels within sub-populations of wild koalas encountering environmental trauma and disease from New South Wales (NSW), Queensland (QLD) and South Australia (SA). Physiological stress was determined using a faecal glucocorticoid (or cortisol) metabolites (FGMs) enzyme-immunoassay (EIA) from 291 fresh faecal samples collected from wild koalas at the point of rescue. A healthy breeding sub-population from a forest reserve in QLD acted as a control group. Clearance of prime Eucalyptus habitat had the largest impact on FGMs, followed by bushfire related factors (e.g. flat demeanour, dehydration and burns injury). Koalas with other sources of physical injury (dog-attacks and vehicle collisions) and disease (chlamydia) also had higher FGMs compared to healthy wild koalas. Healthy wild koalas expressed the lowest median levels of FGMs. Overall, the results highlight that anthropogenic-induced stressors tend to increase physiological stress in wild koalas. Thus, the ultimate stressors such as habitat clearance and bush fire events could increase the incidences of proximate stressors such as dog attacks and vehicle collisions, and increase risks of foliage shortage, diseases and mortality. Therefore, there is need for ecological monitoring, conservation management actions and policy changes to curb the koala population crisis, especially within on-going and future land and road development programs.
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