Data

How stygofauna respond to groundwater drawdown

Macquarie University
Grant Hose (Aggregated by) TESS NELSON (Aggregated by)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25949/28267196.v1&rft.title=How stygofauna respond to groundwater drawdown&rft.identifier=10.25949/28267196.v1&rft.publisher=Macquarie University&rft.description=Three stygofauna taxa were examined how they responded to groundwater drawdown under different sedimentary environments.Treatments:Stygofauna taxa - Amphipoda, Harpacticoid and CyclopoidaDrawdown rates - Fast 400 cm/day, medium 100 cm/day, slow 40 cm/day, very slow 4 cm/day and control no flow.Sedimentary environments - Coarse gravel, fine gravel, coarse sand, medium sand and fine sand.Upon completion of drawdown experiments, the location of stygofauna with columns were counted by separating columns into segments (15-12 cm (top), 12-9 cm, 9-6 cm, 6-3 cm and 3-0 cm (bottom), and counting under a microscope.See methods.txt file for more detailed methods.&rft.creator=Grant Hose&rft.creator=TESS NELSON&rft.date=2025&rft_rights= https://creativecommons.org/licenses/by/4.0/&rft_subject=Freshwater ecology&rft_subject=Stygofauna&rft_subject=Groundwater drawdown&rft.type=dataset&rft.language=English Access the data
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Three stygofauna taxa were examined how they responded to groundwater drawdown under different sedimentary environments.

Treatments:

Stygofauna taxa - Amphipoda, Harpacticoid and Cyclopoida

Drawdown rates - Fast 400 cm/day, medium 100 cm/day, slow 40 cm/day, very slow 4 cm/day and control no flow.

Sedimentary environments - Coarse gravel, fine gravel, coarse sand, medium sand and fine sand.

Upon completion of drawdown experiments, the location of stygofauna with columns were counted by separating columns into segments (15-12 cm (top), 12-9 cm, 9-6 cm, 6-3 cm and 3-0 cm (bottom), and counting under a microscope.

See methods.txt file for more detailed methods.


Issued: 29 01 2025

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Freshwater ecology | Groundwater drawdown | Stygofauna |

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