منابع مشابه
Preamble Patricia Gallaugher, Director, Continuing Studies in
The impact of the salmon louse (Lepeophtheirussalmonis (Kroyer)) on populations of sea trout andsalmon in Ireland and other European countries isoutlined and recommendations are made for themanagement of marine salmon farms aimed atminimising such impacts. The paper describes thegrowth of the salmon farming industry in westernIreland during the 1980s and the resu...
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an unimportant amount of time bending over his desk, so that bad positions have not the opportunity of making more or less "staying" faults. But at this time a beginning may be made, either for good or bad. The boy may. be trained to sit correctly at his seat, especially when writing or drawing. lie may be trained to read with his book held before his eyes, not with the book flat upon the desk....
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" There's a perception that global warming is something that will happen smoothly into the future, but some of these ecosystems go into abrupt decline when warming reaches a certain threshold, " said Tim Lenton, an environmental scientist at the University of East Anglia, and lead author of the study. " If we know when the different tipping points are, we can use them to inform targets to limit...
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ژورنال
عنوان ژورنال: Nature
سال: 1998
ISSN: 0028-0836,1476-4687
DOI: 10.1038/25562