Câu ví dụ #1
1. Over the past 16 years, the weight of adult reindeer in Svalbard in the Norwegian Arctic has dropped by 12 percent, likely due to global warming, said study findings presented to a meeting at the British Ecological Society (BES) in Liverpool.
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2. By the time they reached adulthood, reindeer born in 2010 weighed just over 48 kilogrammes (106 pounds), compared to 55 kg for those born in 1994.
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3. Albon and his fellow researchers blame climate change for the shrinking reindeer.
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4. 'Catastrophic die-offs' The ice prevents reindeer from getting to the lichen which comprises the bulk of their winter diet and for which they usually forage in the snow.
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5. "The reindeer starve, aborting their calves or giving birth to much lighter young," said the BES.
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6. reindeer numbers have increased over the past two decades, said the research team, so greater competition for food likely also contributed to their smaller size.
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7. This meant there could be more, but smaller reindeer in the Arctic in the decades to come, "possibly at risk of catastrophic die-offs because of increased ice on the ground.
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8. " The team has tracked Arctic reindeer since 1994, catching, marking and measuring 10-month-old calves every winter and returning the following year to recapture and note the animals' size and weight.
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9. A study earlier this year pointed to 61,000 reindeer starving to death on the Yamal Peninsula in Siberia in the winter of 2013-2014 due to a "rain-on-snow" event as described in the new research.
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