When an animal population is affected by sudden habitat loss or intensive hunting, lots of gene variations are lost very quickly. We need stronger federal laws to stop our nature from being erased. The dugong's hearing is acute and, even without vocal chords, it can produce squeaks and pips to communicate with its young. They must come to the surface for air and if they become tangled in a net they cannot rise to the surface. Copyright © 2017.
Here are 7 facts! R. Phylogeography is a relatively new way of studying nature, because it relies on DNA analysis, which has become much easier since the 1970s. Proposed Gazettal date: 24/05/02 The Dugongs main food is seagrass, and to a much lesser extent marine algae when seagrass is scarce. http://www.environment.gov.au/cgi-bin/sprat/public/publicspecies.pl?taxon_id=28, http://www.afma.gov.au/wp-content/uploads/2010/06/factsheet10_dugongs.pdf. These are nursery areas for many fish species and thus important for food security in the region. There are a lot of ways to donate to support our work protecting wildlife and conserving the environment. Extreme weather events, of which we are likely to see more, rob the dugong of critical habitat. Conservation of the iconic “sea cow” and its seagrass habitat requires education and incentives. Poor eyesight means the dugong is reliant on sensitive bristles along its pig-like snout to locate the grasses on which it dines, and it can dive for up to 10 minutes at a time while grazing. They are the only remaining species of the Dugongidae family after their closest remaining relative was hunted to extinction in the 1700’s. Donations are tax-deductible as allowed by law. Want to Know it? Dugong distribution has declined around the world and the population living on the Great Barrier Reef may be one of the largest remaining. By submitting, you consent to storage, use, and disclosure of your personal information in accordance with Prior to 1992, only 14 Dugong records were known for NSW. In circumstances like this, museum collections can step in to help plug the knowledge gap. For more than a decade WWF-Australia has been partnering with a variety of stakeholders to reform fisheries management in Queensland to support threatened species like the dugong. Some areas along the eastern Queensland coastline are closed to fishing to protect dugongs and other marine wildlife, but we need more net free zones in our Great Barrier Reef to ensure their recovery. This is in a bid to help save them from extinction. They were also killed for hundreds of years for their meat and oil.
The results now help us to understand how dugong populations are connected and how genetically different they are from each other.'. Strahan.) As animal populations are significantly reduced, this results in genetic bottlenecking. The Dugong is also threatened by incidental mortality in commercial gillnets, entanglement in shark nets and collisions with boats (Smith 2001). Females give birth every 3-7 years to a single calf, which stay with its mother for two years.

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