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Jan 11, 2022 · Among these few excursions, dugongs were found to move in and out of the lagoon at any tidal phase (outwards movements: n = 4 at high tide, inwards movements: n = 3 at low tide). They also moved pass the barrier both during ebb (outwards movements: n = 3, inwards movements: n = 3) and flood (outwards movements: n = 2, inwards movements: n = 3).
- 10.1038/s41598-021-04412-3
- 2022
- Sci Rep. 2022; 12: 552.
Dugong movements mostly occur within a localized area of seagrass beds, and animals in the same region show individualistic patterns of movement. Daily movement is affected by the tides. In areas where there is a large tidal range, dugongs travel with the tide to access shallower feeding areas.
Jan 11, 2022 · In ecoregion 1, tidal and diel phase affected dugong movement when considered interactively (χ 2 = 12.8, p = 0.005), with residence time on average greatest at low tide during the night (mean ...
Jan 1, 2009 · Quantifying the factors influencing behaviors of aquatic mammalian grazers may enhance the generic understanding of grazer ecology. We investigated diel and tidal patterns in movements of the dugong (Dugong dugon) by Global Positioning System–tracking 12 animals in 5 inshore–intertidal and 3 offshore–subtidal habitats along the coast of Queensland, Australia. We examined effects of tide ...
- James K. Sheppard, Rhondda E. Jones, Helene Marsh, Ivan R. Lawler
- 2009
Mar 5, 2024 · Methods. We conducted local-scale. aerial surveys to document the seasonal and tidal changes in the distribution and number of dugongs over seagrass and non-seagrass coral reef habitats in a small lagoon in New Caledonia. The surveys were conducted fortnightly over 18 months in different seasons and at different tides.
Dec 13, 2010 · We investigated diel and tidal patterns in movements of the dugong (Dugong dugon) by Global Positioning System—tracking 12 animals in 5 inshore—intertidal and 3 offshore—subtidal habitats along the coast of Queensland, Australia. We examined effects of tide height and time of day on the dugong's distance from 1) the nearest coast, 2) water >3 m deep, 3) actual water depth (bathymetry ...
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Jan 11, 2022 · Effect of the tidal (High vs. Low tide phases) and diel cycles (Dawn, Day, Dusk and Night diel phases) on the depth range used by 16 dugongs tagged in 3 ecoregions (numbered 1–3 from top to ...
