ArticlePeerJ2020
Inbreeding depression in one of the last DFTD-free wild populations of Tasmanian devils.
Article in PeerJ, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Inbreeding Depression Across Multiple Life-History Traits in a Long-Lived Mammal.Molecular ecology · 2025Article
- Adaptive potential in the face of a transmissible cancer in Tasmanian devils.Molecular ecology · 2024Article
- Conservation Biology and Reproduction in a Time of Developmental Plasticity.Biomolecules · 2022Review
- Restoring faith in conservation action: Maintaining wild genetic diversity through the Tasmanian devil insurance program.iScience · 2022Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundVulnerable species experiencing inbreeding depression are prone to localised extinctions because of their reduced fitness. For Tasmanian devils, the rapid spread of devil facial tumour disease (DFTD) has led to population declines and fragmentation across the species' range. Here we show that one of the few remaining DFTD-free populations of Tasmanian devils is experiencing inbreeding depression. Moreover, this population has experienced a significant reduction in reproductive success over recent years.
methodsWe used 32 microsatellite loci to examine changes in genetic diversity and inbreeding in the wild population at Woolnorth, alongside field data on breeding success from females to test for inbreeding depression.
resultsWefound that maternal internal relatedness has a negative impact on litter sizes. The results of this study imply that this population may be entering an extinction vortex and that to protect the population genetic rescue should be considered. This study provides conservation managers with useful information for managing wild devils and provides support for the "Wild Devil Recovery Program", which is currently augmenting small, isolated populations.
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