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Scientists find new species in Atlantic


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#1    __Kratos__

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Posted 05 May 2006 - 04:42 AM

OSLO (Reuters) - Scientists have found about 10-20 new species of tiny creatures in the depths of the Atlantic in a survey that will gauge whether global warming may harm life in the oceans, an international report said on Thursday.

The survey, of tropical waters between the eastern United States and the mid-Atlantic ridge, used special nets to catch fragile zooplankton -- animals such as shrimp, jellyfish and swimming worms -- at lightless depths of 1-5 km (0.6-3 miles).

"This was a voyage of exploration ... the deepest parts of the oceans are hardly ever sampled," said Peter Wiebe, the cruise's scientific leader and senior scientist at the Woods Hole Oceanographic Institution in the United States.

"We found perhaps 10-20 new species of zooplankton," he said of the 20-day voyage by 28 scientists from 14 nations in April.

Most life, including commercial fish stocks, is in the top 1 km of water, but the scientists said the survey showed a surprising abundance even in the depths. The survey will provide a benchmark to judge future changes to the oceans.

New finds among thousands of zooplankton species caught included six types of ostracods, a shrimp-like creature, and other species of zooplankton such as swimming snails and worms.

Zooplankton are animals swept by ocean currents, mostly millimeters-long but ranging up to jellyfish trailing long tails.

Among 120 types of fish caught, the scientists found what may be a new type of black dragonfish, with fang-like teeth, growing up to about 40 cm (15 inches), and a 20-cm-long great swallower, with wide jaws and a light-producing organ to attract prey.

"By 2010, the research ... will provide a baseline against which future generations can measure changes to the zooplankton and their provinces, caused by pollution, over-fishing, climate change, and other shifting environmental conditions," said Ann Bucklin, lead scientist for the zooplankton census project at the University of Connecticut.

GLOBAL WARMING

Most scientists believe the planet is warming because of a build-up of carbon dioxide in the atmosphere, mainly from human burning of fossil fuels in power plants, vehicles and factories since the Industrial Revolution.

The oceans absorb vast amounts of carbon dioxide but the process raises levels of carbonic acid in the seas. That build-up could threaten marine life, for instance by making it harder for crabs or oysters to build shells.

Zooplankton are a key to transporting carbon dioxide to the depths because they can swim 500 meters (yards) up and down daily. Many species eat their own weight every day in plant phytoplankton species near the surface.

By one estimate, 10,000 kg (22,000 lb) of plant phytoplankton is needed to feed 1,000 kg of small zooplankton.

The expedition was funded by the National Oceanic and Atmospheric Administration (NOAA), and used NOAA ship Ronald H. Brown. The findings are also part of a wider Census of Marine Life trying to map the oceans.

Scientists from Argentina, Australia, Britain, Canada, China, Germany, India, Japan, Mexico, Norway, Spain, Switzerland, Turkey and the United States took part.
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Awesome finds in the unexplored ocean. Just think of all the other things we haven't seen down there! original.gif

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#2    isis-999

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Posted 05 May 2006 - 02:01 PM

This was on discovey channel the other day..It just goes to show how little we really know about our own sea's and what live's in them.... hmm.gif

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#3    frogfish

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Posted 05 May 2006 - 10:19 PM

interesting...

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#4    Mr. 420

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Posted 06 May 2006 - 03:19 PM

I wanna see a pic of this "great swallower".  At 20cms long  maybe they should have named it an "adequate swallower".

Edited by Mr. 420, 06 May 2006 - 03:20 PM.

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#5    frogfish

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Posted 07 May 2006 - 04:15 PM

Size does not indicate anything...

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#6    thecreeper

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Posted 07 May 2006 - 04:30 PM

man frogfish stop with the dirty jokes blush.gif , and this proves my point that we know almost nothing about the oceans

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#7    frogfish

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Posted 07 May 2006 - 04:32 PM

Quote

Size does not indicate anything...

Its all relative...

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#8    thecreeper

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Posted 07 May 2006 - 04:33 PM

but this find proves that we know so little about the oceans

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#9    frogfish

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Posted 07 May 2006 - 04:34 PM

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but this find proves that we know so little about the oceans

But this is also relative...minute things.

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#10    thecreeper

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Posted 07 May 2006 - 04:38 PM

but iit could mean large things could exist without us knowing

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#11    frogfish

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Posted 07 May 2006 - 04:39 PM

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but iit could mean large things could exist without us knowing

Possibily, but probably not...
definitely no mermaids.

Edited by frogfish, 07 May 2006 - 04:39 PM.

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#12    thecreeper

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Posted 07 May 2006 - 04:44 PM

did I say mermaids, no I did not. I have given up on trying to prove to people what I saw, I know what I saw but I am not talking about anymore, there you happy!

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#13    frogfish

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Posted 07 May 2006 - 04:45 PM

Quote

did I say mermaids, no I did not. I have given up on trying to prove to people what I saw, I know what I saw but I am not talking about anymore, there you happy!

yes.gif

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#14    thecreeper

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Posted 07 May 2006 - 04:50 PM

no.gif  no.gif  no.gif , I say what I saw, but I am so tried of fighting you over it so just leave the fight for another day

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#15    frogfish

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Posted 07 May 2006 - 04:58 PM

Back on topic now...

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