منابع مشابه
Tuna comparative physiology.
Thunniform swimming, the capacity to conserve metabolic heat in red muscle and other body regions (regional endothermy), an elevated metabolic rate and other physiological rate functions, and a frequency-modulated cardiac output distinguish tunas from most other fishes. These specializations support continuous, relatively fast swimming by tunas and minimize thermal barriers to habitat exploitat...
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Urgent measures to save falling stocks of tuna in the world's second biggest tuna fishery — the eastern Pacific— have failed to be implemented, according to several environmental groups. Closure of the fishery, both by area and by time, was demanded by the groups to protect rapidly decreasing Pacific populations of yellowfin and bigeye tuna. But the annual meeting of the Inter American Tropical...
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as a conventional gallon of gasoline and would thus be a disaster for global warming. Trying to sequester the carbon dioxide underground during the refining process would be hugely expensive.” Despite all these caveats, there was still a measure of excitement that Mr. Bush for the first time in his six years in office mentioned climate change in his State of the Union address. “It was just a co...
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The Atlantic bluefin tuna fishery, one of the most prized and lucrative, is increasingly threatened with collapse, according to scientists, after the regulatory body established to maintain the fishery has again recommended a quota for the eastern Atlantic and Mediterranean population at a level that many scientists and conservationists believe is unsustainable. The International Commission for...
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In October 1998, the Pelagic Fisheries Research Program solicited new projects to be implemented in 1999. Approximately 25 letters of intent to submit proposal were received. The authors of the most promising letters were invited to submit full research proposals. External scientists reviewed the proposals, and approximately 15 were considered worthy of support. Financial constraints did not pe...
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ژورنال
عنوان ژورنال: Estudios: filosofía, historia, letras
سال: 2010
ISSN: 0185-6383
DOI: 10.5347/01856383.0093.000284150