ArticleRoyal Society open science2023
Reconstructing Pleistocene Australian herbivore megafauna diet using calcium and strontium isotopes.
Article in Royal Society open science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Biomechanical limits of hopping in the hindlimbs of giant extinct kangaroos.Scientific reports · 2026Article
- Australia's First Peoples: hunters of extinct megafauna or Australia's first fossil collectors.Royal Society open science · 2025Article
- Synchrotron X-ray Fluorescence Microscopy Reveals Trace Elemental Indicators of Life History in Marsupial Teeth.Biological trace element research · 2025Article
- Megafauna mobility: Assessing the foraging range of an extinct macropodid from central eastern Queensland, Australia.PloS one · 2025Article
- Reconstructing Pleistocene Australian herbivore megafauna diet using calcium and strontium isotopes.Royal Society open science · 2023Article
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Authors and funding
4 authors.
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Abstract
Isotopes in fossil tooth enamel provide robust tools for reconstructing food webs, which have been understudied in Australian megafauna. To delineate the isotopic composition of primary consumers and understand dietary behaviour at the base of the food web, we investigate calcium (Ca) and strontium (Sr) isotope compositions of Pleistocene marsupial herbivores from Wellington Caves and Bingara (New South Wales, Australia). Sr isotopes suggest small home ranges across giant and smaller marsupial herbivores. Ca isotopes in Pleistocene marsupial herbivores cover the same range as those in modern wombats and placental herbivores. Early forming teeth are depleted in heavy Ca isotopes compared to late-forming teeth of a given individual, suggesting a weaning signal. Distinct Ca compositions between taxa can be interpreted as dietary niches. Some niches conform to previous dietary reconstructions of taxa, while others provide new insights into niche differentiation across Australian herbivores. Combined with the small roaming ranges suggested by Sr isotopes, the Ca isotope niche diversity suggests rich ecosystems, supporting a diversity of taxa with various diets in a small area.
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