Post-Flood Seagrass Monitoring in the Great Sandy Marine Park - 2023
Other Publication ResearchOnline@JCUAbstract
Extensive flooding of the Mary River over two consecutive events in early 2022 resulted in persistent flood plumes in the Great Sandy Marine Park (GSMP), alerting marine managers to potential impacts on seagrass meadows and subsequent declines in the health of dependent species including dugongs and green sea turtles. In response, the former Queensland Department of Environment and Science commissioned post-flood assessments of seagrasses in Hervey Bay and the Great Sandy Strait (both within the GSMP) funded by the joint Australian-Queensland government funded Disaster Recovery Funding Arrangements Environmental Recovery Program. Surveys were conducted in May 2022 (York et al. 2022, Bryant et al. 2023) during a typical low seagrass growth period, and again in October/November 2022 (Bryant et al. 2023) during a typical high seagrass growth period. It had been more than 20 years since the last broad-scale mapping of seagrasses in the region so the state of seagrass resources prior to the flood event was not well known. These surveys aimed to quantify the state of seagrasses in the region at three months and at nine months following the flood events to help inform management decisions and future seagrass monitoring.
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24/22
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92
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TropWATER, James Cook University
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Cairns, QLD, Australia
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