Sarcoptic Mange Affecting Wild Fauna in New South Wales

Gray, David F.

doi:10.1111/j.1751-0813.1937.tb04110.x

Cited by 34 publications

(30 citation statements)

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“…There have been anecdotal reports of wombat population collapse in response to the disease previously (Martin et al., ), but empirical documentation has until now remained elusive. Reports of sarcoptic mange outbreaks date back to the 1930s (Gray, ; Skerratt et al., ). The often nocturnal behaviour of wombats has perhaps led to a dearth of population and pathogen studies for these marsupials.…”

Section: Discussionmentioning

confidence: 99%

“…There is a strong correlation between the distance an area (numbered 1-5 on graph) is from eastern limit of the park, and the mid-point (year) of the decline in that respective area (R 2 = 0.89, F 1,3 = 34.39, p < .01) remained elusive. Reports of sarcoptic mange outbreaks date back to the 1930s (Gray, 1937;Skerratt et al, 1998). The often nocturnal behaviour of wombats has perhaps led to a dearth of population and pathogen studies for these marsupials.…”

Section: Discussionmentioning

confidence: 99%

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Invasive pathogen drives host population collapse: Effects of a travelling wave of sarcoptic mange on bare‐nosed wombats

Martin

Burridge

Ingram

et al. 2017

Journal of Applied Ecology

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Emerging and invasive pathogens can have long‐lasting impacts on susceptible wildlife populations, including localized collapse and extirpation. Management of threatening disease is of widespread interest and requires knowledge of spatiotemporal patterns of pathogen spread. Theory suggests disease spread often occurs via two patterns: homogenous mixing and travelling waves. However, high‐resolution empirical data demonstrating localized (within population) disease spread patterns are rare. This study examined the spread of sarcoptic mange (aetiological agent Sarcoptes scabiei) in a population of bare‐nosed wombats (Vombatus ursinus), and investigated whether pathogen spread occurred by homogenous mixing or a travelling wave. Using 7 years of population surveys and 4 years of disease severity surveys, we show that mange was first detected in the east of a wombat population in northern Tasmania, and progressed westward as a travelling wave. Wombat mortality rates reached 100% behind the wave, with a 94% decline in overall wombat abundance within the park. Synthesis and applications. Globally distributed pathogens may have severe impacts on susceptible host species. This is the first study to quantify population‐level impacts of sarcoptic mange upon bare‐nosed wombats, showing a wave of mange disease which resulted in a dramatic population decline. Successful management of the spread of this and similar pathogens may hinge on the capacity to establish transmission barriers at local or between‐population scales.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Invasive pathogen drives host population collapse: Effects of a travelling wave of sarcoptic mange on bare‐nosed wombats

Martin

Burridge

Ingram

et al. 2017

Journal of Applied Ecology

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“…An epizootic of sarcoptic mange, due to S. scabiei, apparently dramatically reduced the abundance of common wombats, Vombatus ursinus, in New South Wales in 1937 (Gray 1937). Martin et al (1998) also reported evidence that sarcoptic mange may affect the abundance of wombats.…”

Section: Introductionmentioning

confidence: 94%

The mitochondrial 12S gene is a suitable marker of populations of Sarcoptes scabiei from wombats, dogs and humans in Australia

et al. 2002

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We sequenced part of the mitochondrial 12S ribosomal RNA gene of 23 specimens of Sarcoptes scabiei from eight wombats, one dog and three humans. Twelve of the 326 nucleotide positions varied among these mites and there were nine haplotypes (sequences) that differed by 1-8 nucleotides. Phylogenetic analyses indicated that these mites were from two lineages: (1) mites from wombats from Victoria, Australia, and mites from the humans and dog from the Northern Territory, Australia (haplotypes 1-4, 9); and (2) mites from the humans and dog from the Northern Territory (haplotypes 5-8). Mites from the three different hosts (wombats, a dog and humans) had not diverged phylogenetically; rather, these mites had similar 12S sequences. Thus, we conclude that these mites from wombats, humans and a dog are closely related, and that they diverged from a common ancestor relatively recently. This conclusion is consistent with the argument that people and/or their dogs introduced to Australia the S. scabiei mites that infect wombats in Australia . So, S. scabiei, which has been blamed for the extinction of populations of wombats in Australia, may be a parasitic mite that was introduced to Australia with people and/or their dogs. These data show that the mitochondrial 12S rRNA gene may be a suitable population marker of S. scabiei from wombats, dogs and humans in Australia.

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“…The Editor, The Australian Veterinary Journal, Dear Sir, Vulpine sarcoptic mange and some of the circumstances associated with its occurrence in Australia have been discussed briefly by Gray (1937), Seddon (1951), and more recently by myself (1960). European workers have repeatedly described the transmission of fox mange to man (Schmidt 1941, 49;Eichler 1948).…”

Section: The Transmission Of Sarcoptic Mange From the Wild Fox (Vulpementioning

confidence: 99%

THE TRANSMISSION OF SARCOPTIC MANGE FROM THE WILD FOX (VULPES VULPES) TO MAN AND OTHER SPECIES IN CENTRAL QUEENSLAND

McCarthy¹

1960

Aust Veterinary J

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Sarcoptic Mange Affecting Wild Fauna in New South Wales

Cited by 34 publications

References 0 publications

Invasive pathogen drives host population collapse: Effects of a travelling wave of sarcoptic mange on bare‐nosed wombats

Invasive pathogen drives host population collapse: Effects of a travelling wave of sarcoptic mange on bare‐nosed wombats

The mitochondrial 12S gene is a suitable marker of populations of Sarcoptes scabiei from wombats, dogs and humans in Australia

THE TRANSMISSION OF SARCOPTIC MANGE FROM THE WILD FOX (VULPES VULPES) TO MAN AND OTHER SPECIES IN CENTRAL QUEENSLAND

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