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 ...





Search results for fish farming


 Killer catfish? Venomous species surprisingly common, study finds

Killer catfish? Venomous species surprisingly common, study finds

Biology / Plants & Animals

created 16 hours ago | popularity not rated yet | comments 2

(PhysOrg.com) -- Name all the venomous animals you can think of and you probably come up with snakes, spiders, bees, wasps and perhaps poisonous frogs. But catfish?


Asian carp raises fear and loathing on Great Lakes

Biology / Ecology

created 18 hours ago | popularity not rated yet | comments 1

(AP) -- After nearly four decades as a fishing guide on the Great Lakes, Pat Chrysler has seen enough damage from invasive species to fear what giant, ravenous Asian carp could do to the nation's largest bodies of freshwater.


Farms, Fertilizers and Greenhouse Gas Emissions

Farms, Fertilizers and Greenhouse Gas Emissions

Space & Earth / Environment

created 18 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- Agricultural Research Service (ARS) scientists are front and center in finding out how farming affects emissions of the green house nitrous oxide (N2O).


The battle of the sexes

Ovaries must suppress their inner male

Biology / Biotechnology

created 20 hours ago | popularity 4.6 / 5 (8) | comments 0

For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...


Earliest toothless bird found

Earliest toothless bird found

Other Sciences / Archaeology & Fossils

created Dec 10, 2009 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- A new species of bird from the Cretaceous period in China has been identified. It had toothless upper and lower jaws, and provides significant information on the diversification in the evolution ...


Abundance of a look-alike species clouds population status of a million dollar fish

Biology / Ecology

created Dec 10, 2009 | popularity not rated yet | comments 1

The prized white marlin, sought by anglers in million dollar prize tournaments and captured incidentally in commercial fisheries, is among the most overfished marine species under international management and the subject ...


Experiment to test killing 1 owl to help another

Biology / Ecology

created Dec 10, 2009 | popularity not rated yet | comments 2

(AP) -- Scientists want to determine if killing the aggressive barred owl that has invaded old growth forests of the Northwest would help the protected spotted owl.


Oceans' Uptake of Manmade Carbon May Be Slowing

Oceans' Uptake of Manmade Carbon May Be Slowing

Space & Earth / Earth Sciences

created Dec 09, 2009 | popularity 3.5 / 5 (20) | comments 10

(PhysOrg.com) -- The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism ...


More than fish bait: Worms unlock secrets to new epilepsy treatments

Medicine & Health / Genetics

created Dec 09, 2009 | popularity 4 / 5 (1) | comments 0

A team of scientists from The University of Alabama used worms to reel in information that they hope will lead to a greater understanding of cellular mechanisms that may be exploited to treat epilepsy. In a new research report ...


Sparkly Spiders and Photonic Fish

Sparkly Spiders and Photonic Fish

Physics / Optics & Photonics

created Dec 09, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.



List of search results for fish farming