A-Islands: A Vascular Plant Dataset for Biodiversity Research and Species Monitoring on Australian Continental Islands
Schrader, Julian, Coleman, David, Abbott, Ian, Bryant, Sally, Buckley, Ralf, Crayn, Darren M., Gallagher, Rachael V., Harris, Stephen, Heatwole, Harold, Jackes, Betsy, Kreft, Holger, Mills, Kevin, Kirkpatrick, Jamie, Latz, Peter K., Neldner, John, Sattler, Cornelia, Visoiu, Micah, Wenk, Elizabeth H., Woinarski, John C.Z., Worboys, Stuart, Wright, Ian J., Zorn, Isabel, and Westoby, Mark (2025) A-Islands: A Vascular Plant Dataset for Biodiversity Research and Species Monitoring on Australian Continental Islands. Journal of Vegetation Science, 36 (2). e70019.
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Abstract
Aims: Australia's coastline is fringed by more than 8000 continental islands. These islands feature a diverse array of landforms, rock and soil types and geological origins. Some of these islands are among the least invaded, most pristine habitats in Australia and support high plant diversity. Here, we present a new Australia-wide curated dataset for plant species occurrences on islands. Results: Combining information from 1349 species lists and floras, A-Islands includes data on > 6500 plant species from 844 islands ranging in size from 18 m<sup>2</sup> to 4400 km<sup>2</sup>, exhibiting different degrees of isolation from the mainland, and spanning all major Australian climate zones. Of these, 251 islands have been repeatedly sampled up to 11 times, making it possible to investigate temporal compositional change. A-Islands is open access and will be continuously updated. Its simple data structure, consisting of three comma-separated files allows easy integration with other Australian and global plant-occurrence databases and can serve as a repository for island research in Australia. Conclusions: Knowing which species occur on Australia's islands will provide opportunities for future research, including studying changes in biodiversity and species turnover within and among archipelagos, tests of classical island biogeography theory, and as a baseline for ecological monitoring and conservation.
| Item ID: | 88288 |
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| Item Type: | Article (Research - C1) |
| ISSN: | 1654-1103 |
| Keywords: | coastal islands, conservation, database, global change, island biogeography, repeated sampling, resurvey, species communities, species turnover, vascular plants |
| Copyright Information: | © 2025 The Author(s). Journal of Vegetation Science published by John Wiley & Sons Ltd on behalf of International Association for Vegetation Science. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Date Deposited: | 08 Apr 2026 06:45 |
| FoR Codes: | 31 BIOLOGICAL SCIENCES > 3103 Ecology > 310308 Terrestrial ecology @ 100% |
| SEO Codes: | 18 ENVIRONMENTAL MANAGEMENT > 1806 Terrestrial systems and management > 180606 Terrestrial biodiversity @ 100% |
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