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Where does your tuna come from? |
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Tuna has to be one of the most popular fish eaten in the world. And one of the most valuable. Some individual Southern Bluefin Tuna (SBT) have commanded up to AUS $40,000 PER FISH before being onsold at various markets in Japan. This is the predominant reason why this fish is on the verge of being commercially extinct.
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Dugong caught in shark net off Coogee |
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Wednesday, 25 November 2009 02:00 |
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A female dugong over 2m was found floating on the surface off Coogee beach this morning after being fatally caught in a shark net. The animal was found by lifeguards although it is alleged that the Fisheries department were informed of the situation last night. The gentle herbivores are not often found in Sydney waters, inhabiting warmer, tropical waters. It's likely she drifted south on the warm currents before being captured in the net. The animal has been taken to Taronga zoo for an autopsy for further information. Another dugong, male, was fatally caught in shark nets off Freshwater in 2007.
Shark nets are only deployed in NSW (between Wollongong and Newcastle), Queensland and South Africa. Measuring just 150m wide they are randomly deployed and move from beach to beach from day to day. Sharks are able to swim around the nets, in fact around 40% of sharks are caught on the beachside of the nets as they head back out to sea.
The nets are an antiquated, ineffective tool that does not serve its primary purpose of protecting the public. Both open beach shark attacks that occurred last summer (Avalon & Bondi) had nets deployed at the time.
If you'd like to help us put pressure on the State Govt to implement alternatives please click here to fill out our online survey and let us know what you think of shark nets.
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Tuesday, 03 November 2009 03:55 |
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Two of the three turtles that were rescued by a resident of Manly and taken to Oceanworld have been released off Lord Howe Island. Oceanworld in a co-ordinated effort with National Parks and Wildlife Service and Taronga Zoo, were obligated to release the rehabilitated, gorgeous baby Green turtles, Lola and Notches, due to their conservation status. Green turtles are listed as endangered on the IUCN list and if in good health, must be released into the wild.
The babies underwent intense behavioural preparation with their keeper, Marina Tsamoulos to give them the best possible chance of survival in the wild. Turtles are known to have an extremely small survival rate on their slow path to adulthood. About 1 in a hundred survive to the juvenile stage, and an even smaller 1 in a thousand survive to adulthood. An adult Green turtle, if it makes it, can live up to an incredible 80 years old in the wild.
We wish the babies the best of luck! |
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New homes help intertidal species |
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Monday, 19 October 2009 23:39 |
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Up to 50% of natural intertidal coastal habitat around the world has been replaced by artificial seawalls. As a result biodiversity in these zones has declined significantly. But scientists at the Centre for Research on the Ecological Impacts of Coastal Cities at the University of Sydney have come up with a very simple solution. Placing flower pots on the artificial structures has encouraged new species of algae, crustaceans and sponges to the area and increased biodiversity by between three to five times. This research has shown that by adding small cavities into seawalls, biodiversity can still flourish. This is heartening news in the face of increased urbanisation of coastal areas. Click here to read the full story.
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Third whale caught in shark nets |
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Sunday, 04 October 2009 23:24 |
A third whale has been caught in shark nets off the Gold Coast, in just over as many weeks. The six metre juvenile humpback was released after a 2 1/2 hour battle by rescue teams in testing weather conditions. Another whale, believed to be the juvenile's mother, watched on anxiously. The shark net manager in Queensland, Tony Ham stated for people not to be alarmed, and that 3 entanglements per year 'was normal'. It has just been sheer luck that all 3 whales caught in recent weeks have been rescued alive. Most are not so lucky. Not to mention the untold numbers of other untargeted but less media friendly animals that get fatally caught in the nets. Dolphins, turtles, dugongs, other harmless sharks and countless larger fish are caught in the nets each year.
NSW and Queensland, along with South Africa are the only places in the world that deploy shark nets in the name of public safety. But are they effective? Did you know that both shark attacks that occurred on Sydney's open beaches earlier this year, had shark nets deployed at the time? Are they worth the heavy toll they take on our marine life? To find out how much you know about shark nets in NSW, click here to fill out our very brief survey. You can find out more about shark nets in the latest NSW government review.
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