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Sep 29, 2023 · Per the most recent report, dugong numbers have declined most steeply among surveyed areas in Hervey Bay, an inlet in southeastern Queensland. There, researchers write, the population has dropped ...
- Margaret Osborne
Sep 27, 2023 · The east coast dugong population has been in decline since 2005. The population is declining by an estimated 5.7 per cent per year in Hervey Bay and 2.3 per cent between Mission Beach and ...
Sep 27, 2023 · Lead dugong researcher, JCU TropWATER’s Dr Chris Cleguer said the report shows a clear declining trend since 2005, with an estimated annual population decline of 2.3% from Mission Beach to Bundaberg. “We observed a decline in overall dugong numbers, with the area of most concern being the southern section of the Great Barrier Reef from the ...
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 ...
- About Dugongs
- Threats to Dugongs
- References
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 years. The calf will stay with its mother for two years.While some of Australia’s dugong populations are healthy, others, such as on the Southern Great Barrier Reef, are in decline. Commercial gillnet fishing is a major threat to dugongs in Queensland. Dugongs are air breathing marine mammals, and are easily entangled in fishing nets and drown. Some areas along the eastern Queensland coastline are close...
Department of Agriculture, Water and the Environment (2021) ‘Dugong’ Available at https://www.environment.gov.au/cgi-bin/sprat/public/publicspecies.pl?taxon_id=28Queensland Government (2021) ‘Nature Conservation Act 1992’ Available at https://www.legislation.qld.gov.au/view/html/inforce/current/act-1992-020Marsh H, Sobtzick S (2019) Dugong Dugon. The IUCN Red List of Threatened Species 2019. https://dx.doi.org/10.2305/IUCN.UK.2015-4.RLTS.T6909A160756767.en.Department of Agriculture Water and the Environment (n.d.) ‘Dugongs’ Available at https://www.environment.gov.au/marine/marine-species/dugongsDec 9, 2022 · There are still dugongs living in the waters off around 40 countries. Australia has the world's largest population of dugongs today, largely thanks to having a sparsely populated coast with lots ...
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Sep 27, 2023 · A long-running program that monitors dugong numbers off Queensland has identified a clear, long-term decline over about half of the Great Barrier Reef. James Cook University researchers have carried out aerial surveys for the vulnerable species about every five years since the 1980s. Latest data, from flights in November, confirms a clear, long ...
