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Australia is home to the world’s largest dugong population with more than 100,000 thought to live in the Torres Strait. Dugongs diet consists almost entirely of seagrass. Dugongs can live for around 70 years, but they are slow to mature, with females reaching breeding age at around 10 years. Females only give birth to a single calf every 3-7 ...
Sep 27, 2023 · A new report from James Cook University (JCU) TropWATER reveals a long-term decline in dugong populations along the Great Barrier Reef, spanning from Mission Beach to Bundaberg, and Hervey Bay in the Great Sandy Strait. Aerial surveys conducted in 2022 confirm that this declining trend has persisted for almost two decades, despite Australia's ...
Oct 2, 2023 · When compared to previous survey data, the results show a clear declining trend since 2005, with an estimated annual population decline of 2.3% in the survey area. “ Our report reinforces the urgency in addressing threats to dugongs.”. Australia is home to the world’s largest population of dugong. While the report shows clear evidence of ...
Apr 2, 2016 · Aerial surveys conducted in late 2023 indicate that the Great Barrier Reef region north of Cape Bedford (between 15.2 degrees south and 10.8 degrees south) continues to support globally significant populations of dugongs, with densities remaining stable, if not increasing, since 2006. 521 As of the 2023 surveys, the dugong population density in this region was estimated to be 0.250 dugongs per ...
Sep 29, 2023 · Numbers of the manatee-like marine mammals called dugongs are steadily dropping in Australian waters around the Great Barrier Reef, per a new report based on 2022 aerial surveys. Among the animals ...
- Margaret Osborne
An adult dugong will eat about 30kg of seagrass each day. Dugongs have relatively poor eyesight, so they use the sensitive bristles covering the upper lip of their large snouts to find seagrass. Dugongs mature between 10–17 years old and can live up to 70. A female only reproduces every 3–7 years.
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Sep 27, 2023 · Studies confirm a decline in dugong populations along about 1200km of Queensland coastline. Image credit: shutterstock. The 2022 survey work suggested the strongest population decline was at Hervey Bay, estimated at 5.7 per cent per year since 2005. But Dr Cleguer warns that estimate may have been skewed by severe flooding last year that wiped ...
