Half Tide Tug Harbour, Hay Point Marine Plant Assessment – September 2021
Other Publication ResearchOnline@JCUAbstract
North Queensland Bulk Ports (NQBP) engaged TropWATER at James Cook University to undertake a survey of the presence of marine plants (seagrass and algae) within the Half Tide Tug Harbour at the Port of Hay Point, and a survey area of 31.6 Ha. The survey required assessment of marine plant distribution in the area proposed for expanded maintenance dredging, as well as a contemporary survey of marine plants in the area currently approved for dredging (14.8 Ha). A total of 184 sites were surveyed across the entire area, with seagrass observed at 13 of those sites and estimated to occupy approximately 1.25 ha at very low biomass of 0.1 g DW m2. Overall, two species of seagrass were observed with Halophila decipiens dominant and occurring at 12 sites and Halophila ovalis observed at one site. Macroalgae was also observed at 27 sites out of the 184 sampled and estimated to cover an area of approximately 4.4 Ha of sparse habitat.
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21/54
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12
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TropWATER, James Cook University
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Cairns, QLD, Australia
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