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Phytophthora dieback linked to habitat loss and lower digging activity among quendas in Western Australia

Phys · · 677 words · By Murdoch University
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What to know about Phytophthora dieback linked to habitat loss and lower digging activity among quendas in Western Australia

A study from Murdoch University indicates that Phytophthora dieback in Western Australia's jarrah forests reduces habitat quality for quendas, leading to a decrease in their digging activity. The research suggests that restoring dense understory vegetation and grasstrees could mitigate these effects and preserve the ecosystem benefits provided by the mammals.

Propaganda risk 10%
Claims checked 8
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center80%
Right20%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Phytophthora dieback linked to habitat loss and lower digging activity among quendas in Western Australia Sadie Harley Scientific Editor Andrew Zinin Chief Editor A new study from Murdoch University has found that the introduced plant disease Phytophthora…

Why it matters

The paper, "Exotic Plant Pathogen Reduces Habitat and Foraging Activities of a Digging Mammal," was published in the journal Austral Ecology.

Common ground

The impact of Phytophthora dieback on native plant communities has been widely studied across Australia.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

A study from Murdoch University indicates that Phytophthora dieback in Western Australia's jarrah forests reduces habitat quality for quendas, leading to a decrease in their digging activity. The research suggests that restoring dense understory vegetation and grasstrees could mitigate these effects and preserve the ecosystem benefits provided by the mammals.

open_in_new Read the original article: https://phys.org/news/2026-08-phytophthora-dieback-linked-habitat-loss.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 8 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 3
info Single Source 3
verified Verified 2
verified
Claim 1: “the research team surveyed five heavily dieback-infested bushland reserves in the Shire of Mundaring, east of Perth”
VERIFIED
The study's methodology of surveying five reserves in the Shire of Mundaring is explicitly stated in the web search results, and the location of Mundaring east of Perth is verified by Wikipedia.
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wikipedia NEUTRAL — Mundaring (pron: mun-DAIR-ing) is a suburb located 34 km east of Perth, Western Australia on the Great Eastern Highway. The suburb is located within the Shire of Mundaring. The Aboriginal name of the …
https://en.wikipedia.org/wiki/Mundaring,_Western_Australia
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wikipedia NEUTRAL — The Shire of Mundaring is a local government area in eastern metropolitan Perth, the capital of Western Australia. The Shire covers an area of 645 square kilometres (249 sq mi) and had a population of…
https://en.wikipedia.org/wiki/Shire_of_Mundaring
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wikipedia NEUTRAL — Wooroloo is a town on the outer fringe of the Perth metropolitan region, located off Great Eastern Highway in the eastern part of the Shire of Mundaring. At the 2021 census, Wooroloo had a population …
https://en.wikipedia.org/wiki/Wooroloo,_Western_Australia
+ 3 more evidence sources
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Claim 2: “The paper, "Exotic Plant Pathogen Reduces Habitat and Foraging Activities of a Digging Mammal," was published in the journal Austral Ecology.”
CORROBORATED
The specific paper title and journal (Austral Ecology) are confirmed by both a web search result and a Google Scholar profile for Shanika Harshani.
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wikipedia NEUTRAL — Plants are the eukaryotic organisms that constitute the kingdom Plantae (/'plænteɪ/). They are predominantly photosynthetic or came from photosynthetic ancestors, meaning that they obtain their energy…
https://en.wikipedia.org/wiki/Plant
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wikipedia NEUTRAL — The Sacramento Regional Wastewater Treatment Plant (SRWTP) is a wastewater treatment plant in Elk Grove, California, United States. It was built along the Interstate 5 during the 1970s and became full…
https://en.wikipedia.org/wiki/Sacramento_Regional_Wastewater…
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wikipedia NEUTRAL — Torreya taxifolia, commonly known as Florida torreya or stinking-cedar, but also sometimes as Florida nutmeg or gopher wood, is an endangered coniferous subcanopy tree of the yew family, Taxaceae. It …
https://en.wikipedia.org/wiki/Torreya_taxifolia
+ 3 more evidence sources
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Claim 3: “Quendas are ecosystem engineers, with their diggings providing a range of ecosystem benefits”
CORROBORATED
Two independent sources (a news summary and a Boing Boing article) explicitly describe quendas as 'ecosystem engineers' due to their digging activities.
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web search NEUTRAL — “Quendas are ecosystem engineers, with their diggings providing a range of ecosystem benefits,” he said. “Every time they dig for food, they turn over soil, help water soak into the ground, bury seeds…
https://www.murdoch.edu.au/news/articles/phytophthora-diebac…
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web search NEUTRAL — This is why Leonie describes these little gardeners as "ecosystem engineers". "A quenda will dig up to 45 soil pits per nights, and even more in sandy soils, so they're moving soil around, they're bri…
https://boingboing.net/2024/02/14/quendas-have-no-right-to-b…
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web search NEUTRAL — The Mangrove trees are well-adapted to coastal environments and act as ecosystem engineers in mangrove forests. Their intricate root systems serve multiple purposes. They stabilize shorelines, prevent…
https://wildlifeinformer.com/ecosystem-engineers/
verified
Claim 4: “A new study from Murdoch University has found that the introduced plant disease Phytophthora dieback is indirectly hindering quendas in Western Australia's jarrah forests by reducing their habitat quality and consequently decreasing their digging activity.”
VERIFIED
Web search results explicitly confirm a Murdoch University study found that Phytophthora dieback hinders quendas in Western Australia's jarrah forests by reducing habitat quality and digging activity.
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wikipedia NEUTRAL — Acacia pulchella, commonly known as prickly moses or western prickly moses, is a shrub in the family Fabaceae. Endemic to Western Australia, it is one of the most common shrubs of the bushland around…
https://en.wikipedia.org/wiki/Acacia_pulchella
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wikipedia NEUTRAL — Phytophthora cinnamomi, also known as cinnamon fungus, is a soil-borne water mould that produces an infection which causes a condition in plants variously called "dieback", "root rot", or (in certain …
https://en.wikipedia.org/wiki/Phytophthora_cinnamomi
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wikipedia NEUTRAL — The Swan Coastal Plain in Western Australia is the geographic feature which contains the Swan River as it travels west to the Indian Ocean. The coastal plain continues well beyond the boundaries of th…
https://en.wikipedia.org/wiki/Swan_Coastal_Plain
+ 3 more evidence sources
info
Claim 5: “The study found that compared with healthy forests, dieback-infected areas had 46% less low shrub cover, 45% fewer habitable grasstrees and 40% more bare ground.”
SINGLE SOURCE
The specific percentages (46% less shrub cover, 45% fewer grasstrees, 40% more bare ground) appear in the web search result summarizing the study, but are not independently corroborated by other sources in the provided evidence.
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wikipedia NEUTRAL — Hymenoscyphus fraxineus is an ascomycete fungus that causes ash dieback, a chronic fungal disease of ash trees in Europe characterised by leaf loss and crown dieback in infected trees. The fungus was …
https://en.wikipedia.org/wiki/Hymenoscyphus_fraxineus
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wikipedia NEUTRAL — Kauri dieback is a forest dieback disease of the native kauri trees (Agathis australis) of New Zealand that is suspected to be caused by the oomycete Phytophthora agathidicida. Symptoms can include ro…
https://en.wikipedia.org/wiki/Kauri_dieback
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wikipedia NEUTRAL — Phytophthora cinnamomi, also known as cinnamon fungus, is a soil-borne water mould that produces an infection which causes a condition in plants variously called "dieback", "root rot", or (in certain …
https://en.wikipedia.org/wiki/Phytophthora_cinnamomi
+ 3 more evidence sources
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Claim 6: “One of the plants most affected by dieback is the iconic Australian grasstree”
CORROBORATED
Two independent web sources confirm that grasstrees are among the plants most affected/susceptible to Phytophthora cinnamomi (dieback).
travel_explore
web search NEUTRAL — Phytophthora cinnamomi, also known as cinnamon fungus, is a soil-borne water mould that produces an infection which causes a condition in plants variously called "dieback", "root rot", or, "ink diseas…
https://en.wikipedia.org/wiki/Phytophthora_cinnamomi
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web search NEUTRAL — The impact of Phytophthora dieback on native plant communities has been widely studied across Australia. One of the plants most affected by dieback is the iconic Australian grasstree, which provides s…
https://phys.org/news/2026-08-phytophthora-dieback-linked-ha…
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web search NEUTRAL — Grasstrees are particularly susceptible to the exotic root pathogen, Phytophthora cinnamomi, although recruitment among some species has been observed 20–30 years after pathogen invasion. Much remains…
https://www.researchgate.net/publication/378484103_Impact_of…
info
Claim 7: “They also found that quenda digging activity was 33% lower in dieback-infested areas.”
SINGLE SOURCE
The specific figure of 33% lower digging activity is mentioned in the web search result summarizing the study, but not corroborated by other independent sources in the evidence provided.
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wikipedia NEUTRAL — Chelsea Football Club is a professional association football club based in Fulham, West London, England. They compete in the Premier League, the top tier of English football, and rank among the most s…
https://en.wikipedia.org/wiki/Chelsea_F.C.
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wikipedia NEUTRAL — Geovany Tcherno Quenda (Portuguese pronunciation: [ʒiuˈvɐ̃ˈkẽdɐ]; born 30 April 2007) is a professional footballer who plays as a right-winger or right wing-back for Premier League club Chelsea. Comi…
https://en.wikipedia.org/wiki/Geovany_Quenda
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wikipedia NEUTRAL — The quenda (Isoodon fusciventer), also known as the southwestern brown bandicoot or western brown bandicoot, is a small marsupial species endemic to Southwest Australia. Though it was originally treat…
https://en.wikipedia.org/wiki/Quenda
+ 3 more evidence sources
info
Claim 8: “the cover of graminoids and herbs, which may form bulbs and tubers for quendas to eat, was not impacted.”
SINGLE SOURCE
While the provided evidence discusses the impact of dieback on shrubs and grasstrees, none of the provided snippets explicitly confirm that graminoids and herbs were 'not impacted'.
travel_explore
web search NEUTRAL — Phytophthora cinnamomi, also known as cinnamon fungus, is a soil-borne water mould that produces an infection which causes a condition in plants variously called "dieback", "root rot", or, "ink diseas…
https://en.wikipedia.org/wiki/Phytophthora_cinnamomi
travel_explore
web search NEUTRAL — Phytophthora cannot be eradicated from a site once it becomes infested*. The only chemical treatment currently available for Phytophthora dieback (dieback) is phosphite, a systemic, non-hazardous and …
https://www.dbca.wa.gov.au/management/threat-management/plan…
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web search NEUTRAL — The impact of Phytophthora dieback on native plant communities has been widely studied across Australia.Get Instant Summarized Text (Gist). Phytophthora dieback in jarrah forests reduced low shrub cov…
https://phys.org/news/2026-08-phytophthora-dieback-linked-ha…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.