News tagged with fish farming

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Risks involved with transgenic fish

Risks involved with transgenic fish

Biology / Ecology

created Aug 31, 2009 | popularity not rated yet | comments 0

Fast growing transgenic fish can revolutionise commercial fish farming and relieve the pressure on overexploited fish stocks. But what happens in the natural environment if transgenic fish escape?


NOAA chief says new ocean uses creating conflicts (AP)

NOAA chief says new ocean uses creating conflicts

Space & Earth / Environment

created Jul 21, 2009 | popularity 3 / 5 (2) | comments 0

(AP) -- New pressures on the nation's oceans, from wind turbines to fish farms, are increasingly sparking conflicts with more traditional activities such as shipping and recreational boating and show the ...


MIT tests self-propelled cage for fish farming

Technology / Engineering

created Sep 03, 2008 | popularity 4.8 / 5 (4) | comments 0

(PhysOrg.com) -- A self-propelling underwater cage developed and recently tested by an MIT researcher could not only cut costs for offshore ocean-based fish farms but also aid the movement of such operations into the high ...





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Jellyfish swarm northward in warming world (AP)

Jellyfish swarm northward in warming world

Biology / Ecology

created 21 hours ago | popularity 4.1 / 5 (11) | comments 1

(AP) -- A blood-orange blob the size of a small refrigerator emerged from the dark waters, its venomous tentacles trapped in a fishing net. Within minutes, hundreds more were being hauled up, a pulsating ...


Heart and bone damage from low vitamin D tied to declines in sex hormones

Medicine & Health / Research

created 21 hours ago | popularity 2 / 5 (1) | comments 1

Researchers at Johns Hopkins are reporting what is believed to be the first conclusive evidence in men that the long-term ill effects of vitamin D deficiency are amplified by lower levels of the key sex hormone estrogen, ...


Federal agencies not taking chances to keep carp from invading Great Lakes

Biology / Ecology

created Nov 15, 2009 | popularity not rated yet | comments 0

A group of federal agencies criticized in the past for failing to move quickly to stop Asian carp from entering the Great Lakes announced Friday that they're taking every precaution to keep them out, even poisoning thousands ...


Salmon migration mystery explored on Idaho's Clearwater River

Salmon migration mystery explored on Idaho's Clearwater River

Biology / Ecology

created Nov 15, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened juvenile salmon and allow them to grow larger ...


French Research Institute for Exploitation of the Sea (IFREMER) team prepares to put in water the robot BOB

Underwater robot probes depths for Istanbul quake clues

Space & Earth / Earth Sciences

created Nov 14, 2009 | popularity 4.8 / 5 (4) | comments 0

A state-of-the-art underwater robot called BOB may hold the key to protecting millions of people around Turkey's biggest city against a massive earthquake scientists say is all but inevitable.


How much is nature worth?

How much is nature worth?

Space & Earth / Environment

created Nov 13, 2009 | popularity 2 / 5 (4) | comments 1

How much is nature worth? £1 billion? £100 billion? £1 trillion? The loss of our forests and biodiversity in general could cost us between £1.2-2.8 trillion a year, according to Pavan Sukhdev, who is giving ...


Study provides first clear idea of how rare bone disease progresses

Study provides first clear idea of how rare bone disease progresses

Medicine & Health / Research

created Nov 12, 2009 | popularity 5 / 5 (1) | comments 0

An international team of scientists, led by researchers at the University of Pennsylvania School of Medicine, is taking the first step in developing a treatment for a rare genetic disorder called fibrodysplasia ...


California Academy of Sciences becomes first aquarium in US to breed dwarf cuttlefish

California Academy of Sciences becomes first aquarium in US to breed dwarf cuttlefish

Biology / Plants & Animals

created Nov 12, 2009 | popularity not rated yet | comments 0

Anchored to an algae-covered rock in a 120-gallon tank at the California Academy of Sciences' Steinhart Aquarium, a cluster of inky-colored cuttlefish eggs is beginning to swell—evidence of success for the ...


SEA to conduct expedition dedicated to measuring plastic marine debris in the North Atlantic Ocean

Space & Earth / Earth Sciences

created Nov 12, 2009 | popularity 5 / 5 (1) | comments 0

Sea Education Association (SEA) is preparing to conduct the first-ever research expedition dedicated solely to examining the accumulation of plastic marine debris in the North Atlantic Ocean.


Consumption of certain fish during pregnancy associated with poorer cognitive performance

Medicine & Health / Health

created Nov 12, 2009 | popularity not rated yet | comments 0

Children who eat fish more than 3 times per week show a worse performance in the general cognitive, executive and perceptual-manipulative areas. Those with higher levels of exposure to mercury show a generalised delay in ...



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