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Almost half of our species fully or overfished (Read 18485 times)
Grey
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Re: Almost half of our species fully or overfished
Reply #30 - Sep 10th, 2011 at 6:50pm
 
Quote:
Almost half of our species fully or overfished


We are fish are we? Well that explains Abbott, cold blooded and slippery, slimy. Explains his love of red herrings too.  Grin
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Re: Almost half of our species fully or overfished
Reply #31 - Sep 10th, 2011 at 8:10pm
 
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We could easily supply all own own seafood if we wished, what with the 3rd largest EEZ, ideal conditions for aquaculture and small population.


So our wild fisheries are not enough, even to just feed ourselves?
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Re: Almost half of our species fully or overfished
Reply #32 - Sep 10th, 2011 at 8:30pm
 
Lovely good kippers are, why aren't they made out of Australian Salmon? Or herring for that matter, I've made herring kippers in an old wine barrel and couldn't make enough.

http://culturalconcubine.files.wordpress.com/2010/05/kippers-large.jpg
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Re: Almost half of our species fully or overfished
Reply #33 - Sep 10th, 2011 at 9:23pm
 
freediver wrote on Sep 10th, 2011 at 8:10pm:
Quote:
We could easily supply all own own seafood if we wished, what with the 3rd largest EEZ, ideal conditions for aquaculture and small population.


So our wild fisheries are not enough, even to just feed ourselves?


Aquaculture is part of the picture now - why wouldn't it be if we supplied all own seafood?
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Re: Almost half of our species fully or overfished
Reply #34 - Sep 10th, 2011 at 10:54pm
 
For starters, it is more expensive.
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Re: Almost half of our species fully or overfished
Reply #35 - Sep 11th, 2011 at 8:32am
 
freediver wrote on Sep 10th, 2011 at 10:54pm:
For starters, it is more expensive.


Really? You brought up economics. How come fish farmings companies such as Tassal Group are so profitable?
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Re: Almost half of our species fully or overfished
Reply #36 - Sep 11th, 2011 at 9:31am
 
Here's a reference from the ABC Science website:

Survival of the fishes

By Stephen Pincock
  Feed the world: It is estimated 110 million tonnes of seafood is eaten each year. (Source: istockphoto)
Related Stories
Video: Closing the Net (Landline) (Science Online Video)

Scientists, government bodies and environmentalists say that although Australia still has problems, it has come a long way in recent years in terms of fishing sustainability.

The job of managing fishing in Australian waters is split between the Federal and State governments. Broadly speaking, the states deal with fisheries up to three nautical miles from shore, where the bulk of the catch comes from. The Federal government handles the remainder of the fishing zone, which extends out to 200 nautical miles.
For most of our history, as Kearney says, sustainability was not exactly the top priority of those management schemes. "When I came back to Australia in 1986 and took the job as director of research for New South Wales Fisheries, it was New South Wales Government policy that it was impossible to over-exploit any species of fish and if you fished them down a bit, then people would just move on and fish the next species."

But the government, scientists, and the fishing industry say that things have improved in recent years. In 2005, for example, the Federal government announced a $220 million package that aimed to reduce overfishing through buying back fishing licences. Concern about overfishing was also a factor in the decision by governments to establish marine protected areas where fishing was banned.

Both marine parks and well-managed fisheries are essential to ensure sustainable fish stocks, say the Australian Marine Sciences Association, a group of 900 Australian marine scientists.

Kearney, on the other hand, believes marine protected areas do nothing to improve fishing sustainability, but he says a combination of tighter quotas and reducing fishing effort have made a difference."We realised that we had to cut back on the amount of fish being caught and killed and have done that," he says.
Fulton says that overfishing in Australia, particularly in the Commonwealth fisheries has "largely stopped"."The government said: 'Right we are going to reduce the pressure on the fish to let them recover to sustainable levels for the future'," she explains. "So we have a bad report card right now with regard to the health of the stock, but it is actually improving."

According to the Australian government's latest fishery status report the number of fish stocks that have been assessed as not overfished has more than doubled since 2004, and the number of stocks classified as not subject to overfishing has risen from 12 to 57 in that time.

The report currently classifies 13 of Australia's 98 fish stocks as being overfished (see list below), including three new additions: blue warehou, upper-slope gulper sharks and jackass morwong. Eight stocks are classified as being subject to overfishing.
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Re: Almost half of our species fully or overfished
Reply #37 - Sep 11th, 2011 at 9:53am
 
Quote:
Really? You brought up economics. How come fish farmings companies such as Tassal Group are so profitable?


Because there are not enough fish to go around. It is not the cost of harvesting fish that is driving up the price, but the shortage of them.

Can you give a link to where you got those numbers from you posted earlier?
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Re: Almost half of our species fully or overfished
Reply #38 - Sep 11th, 2011 at 10:22am
 
[] Quote:
Really? You brought up economics. How come fish farmings companies such as Tassal Group are so profitable?


Because there are not enough fish to go around. It is not the cost of harvesting fish that is driving up the price, but the shortage of them.

But you just said the cost of producing aquaculture fish was a problem for them to replace/suppliment the wild harvest. 

Can you give a link to where you got those numbers from you posted earlier? [/quote]

See above.
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Re: Almost half of our species fully or overfished
Reply #39 - Sep 11th, 2011 at 6:07pm
 
Dived around Dents Rock in Jervis Bay. Besides heaps of PJ's and eggs. Saw one fish laying dead and untouched due to a ripped jaw from a "Catch and Release" situation.

Fishing is such a stupid act when you really break it down for what its worth in the long run. Might as well just Mass-Machine gun fire into a jungle and see what you get? Or just Fire-Farm like the Abos did and bbq everything (hence no more MegaFauna).

Stupid methods from over-populated stupid people way of life.
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Re: Almost half of our species fully or overfished
Reply #40 - Sep 11th, 2011 at 7:12pm
 
Quote:
But you just said the cost of producing aquaculture fish was a problem for them to replace/suppliment the wild harvest.


You are not making much sense PJ.

Quote:
See above.


I saw above. No link. Is it your default position now to copy and paste, or 'reinterpret' without giving any links?
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Re: Almost half of our species fully or overfished
Reply #41 - Sep 11th, 2011 at 8:57pm
 
=1315732324] Quote:
But you just said the cost of producing aquaculture fish was a problem for them to replace/suppliment the wild harvest.


You are not making much sense PJ.

I said:

Aquaculture is part of the picture now - why wouldn't it be if we supplied all own seafood?

You said:

For starters, it is more expensive.

Is it that you just can't keep track of your drivel?


Quote:
See above.


I saw above. No link. Is it your default position now to copy and paste, or 'reinterpret' without giving any links? [/quote]

I said it is from the ABC Science website - surely it is not too difficult for you to find.

PS: I would have put a link but wasn't able to do so using the cut and paste for some reason. 
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Grey
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Re: Almost half of our species fully or overfished
Reply #42 - Sep 11th, 2011 at 9:20pm
 
freediver wrote on Sep 11th, 2011 at 9:53am:
Quote:
Really? You brought up economics. How come fish farmings companies such as Tassal Group are so profitable?


Because there are not enough fish to go around. It is not the cost of harvesting fish that is driving up the price, but the shortage of them.
Can you give a link to where you got those numbers from you posted earlier?


Grin Grin Grin Spoken like a true economist.
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Grey
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Re: Almost half of our species fully or overfished
Reply #43 - Sep 11th, 2011 at 9:53pm
 
pjb05 wrote on Sep 11th, 2011 at 9:31am:
Here's a reference from the ABC Science website:

Survival of the fishes

By Stephen Pincock
 Feed the world: It is estimated 110 million tonnes of seafood is eaten each year. (Source: istockphoto)
Related Stories
Video: Closing the Net (Landline) (Science Online Video)

. [/b]


The figures look to me as if random numbers are written on bits of paper then pulled out of a barrel. From 'Closing the Net'

http://www.abc.net.au/landline/content/2010/s2925799.htm

Quote:
SEAN MURPHY: The NSW Parliament is investigating the recreational fishing sector. Amateur fishers are thought to take about a quarter of Australia's 200 MILLION tonne of annual wild-catch take, and conservation groups have used the recreational fishing inquiry to push for no-take zones to be increased from the current average level of six per cent to at least 20 per cent.


That appeared a frightening figure for Australia alone. But wait...wasn't I just told that 110 million tonnes of SEAFOOD is eaten worldwide? Then...

Quote:
SEAN MURPHY: Graham Turk runs the Sydney Fish Market, Australia's largest, with an annual trade of more than 13,000 tonnes of fresh fish. It's the principal source of fresh seafood for more than a quarter of Australia's population.


Now that says Australia's annual catch is under 52, THOUSAND tonnes. All bit sad on the cred side innit? Nevertheless...

Quote:
GARY SCHOER, NATIONAL PARKS ASSOCIATION: Well, 20 per cent is the minimal figure that has been recommended by the International Union for Conservation of Nature that needs to be conserved worldwide if we are to have sustainable fish stocks into the future, because there are predictions that the whole fisheries could collapse by about 2048 if current trends around much of the world continue.


I'm inclined to believe that. Because when not only proffessional but amateure fisherman are using military equipment to catch an already dwindling world wide stock of fish. When fishing has already caused collapses of stocks like North Sea cod, using primitive equpment by todays standards, it don't take Sherlock to predict the outcome .

I can buy Tasmanian farmed salmon for around $25 a kilo, on one memorable occassion it was cheaper than 'basa' LOL. Even at $25 I can't imagine why anybody would want to eat anything, (fishy) else.
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Re: Almost half of our species fully or overfished
Reply #44 - Sep 11th, 2011 at 10:03pm
 
Grey wrote on Sep 11th, 2011 at 9:20pm:
freediver wrote on Sep 11th, 2011 at 9:53am:
Quote:
Really? You brought up economics. How come fish farmings companies such as Tassal Group are so profitable?


Because there are not enough fish to go around. It is not the cost of harvesting fish that is driving up the price, but the shortage of them.
Can you give a link to where you got those numbers from you posted earlier?


Grin Grin Grin Spoken like a true economist.


In a good way?
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