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CC BY V4.0, Open Access
Journal article
Using desiccation-resistant eggs to explore the ecology of giant ostracods (subfamily Mytilocypridinae) in Australian salt lakes
Hydrobiologia
2024
Appears in Open Access via Read & Publish Agreements
Abstract
Giant ostracods in the subfamily Mytilocypridinae are an important component of the biota of Australian salt lakes, which are predominantly temporary, and often located in remote arid areas. Mytilocypridines produce desiccation-resistant eggs to persist in these habitats during unfavourable conditions. In this study, we used mytilocypridine eggs collected from sediments in salt lakes in Western Australia to analyse aspects of the ecology of these ostracods. We conducted two rehydration trials, where sediment was collected from dry lakes or the dry margins of lakes, rehydrated in a laboratory setting, and selected mytilocypridine species hatched and raised in cultures. The first trial found that the eggs of mytilocypridine species were unevenly distributed in a dry lake and could be hatched even after 27 months of dry storage with no discernible loss of viability. The second trial assessed the capacity of selected mytilocypridines to hatch and develop into adults under different salinity treatments. One species, Australocypris insularis , hatched and developed across a very wide salinity range (0–100 g/L). Egg/sediment samples provide a means for testing species’ tolerance to physical and chemical variables throughout their entire life cycle, as well as for surveying the mytilocypridines in remote lakes that rarely hold water.
Details
- Title
- Using desiccation-resistant eggs to explore the ecology of giant ostracods (subfamily Mytilocypridinae) in Australian salt lakes
- Authors/Creators
- Mahabubur Rahman - Murdoch UniversityJennifer Chaplin - Murdoch University, School of Environmental and Conservation SciencesAngus LawrieAdrian Pinder
- Publication Details
- Hydrobiologia
- Publisher
- Springer Nature
- Number of pages
- 20
- Grant note
Mahabubur Rahman was supported by a Commonwealth-supported Research Training Program (RTP) Scholarship at Murdoch University, Perth, Western Australia, while conducting this research. We thank the Department of Biodiversity, Conservation, and Attractions (DBCA) of Western Australia for financial support. Samples for this project were collected under licenses from the Department of Biodiversity, Conservation, and Attractions (DBCA) of Western Australia and the Department of Primary Industries and Regional Development. Gratitude is extended to the WA Salt Group for providing salt lake salt. Special thanks to David J. Horne and two other anonymous reviewers for valuable feedback that significantly improved the manuscript.
- Identifiers
- 991005707261307891
- Copyright
- © The Author(s) 2024
- Murdoch Affiliation
- Centre for Sustainable Aquatic Ecosystems
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.2 Marine Biology
- 3.2.216 Lake Ecosystems
- Web Of Science research areas
- Marine & Freshwater Biology
- ESI research areas
- Plant & Animal Science