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Adelie penguin population sees rapid decline: Scientists_我的网站

一 |     汇通财经APP讯——周三（8月26日）亚洲时段，澳元兑美元短线走高，当前交投于0.7180附近，通胀数据的强劲表现彻底改变了市场对澳洲联储政策路径的预期，澳元一度涨约0.3%至6月以来高位0.7184。周三公布的澳大利亚7月CPI数据全面超预期——月度CPI环比上涨1.0%，远超0.8%的预期；年率从3.8%回落至3.5%，但仍高于3.2%-3.3%的市场共识区间。    Canberra, Oct 12 (UNI) Australia's top Antarctic scientists have reported a rapid decline in a population of Adelie penguins.

According to research published by the Australian Antarctic Division (AAD) on Tuesday, a large Adelie population off the East Antarctic coast has declined by 43 per cent over the last decade.

Ecologists from the AAD, led by Louise Emmerson and Colin Southwell, surveyed 52 islands along the 100-km coastline.

They found the number of occupied nests fell from 176,622 to 99,946 in that period.
Their findings are contrary to other Adelie penguin populations in east Antarctica where numbers have been stable.

The most widespread penguin species, the Adelie is found along the entire Antarctic coast. Models had predicted the particular population observed by the AAD would continue to grow.

Researchers concluded a change in environmental conditions was the cause of the decline.

"We think this population decline was initially triggered by five years of extensive summer sea ice adjacent to the colony in the mid-2000s, which hampered access to the adults' foraging areas and saw virtually no chicks survive," Emmerson said in a media release.

"The frequency of these unfavorable breeding conditions subsequently remained high, and fledgling survival also began to decrease. These two processes together resulted in a more rapid population decline than would be expected if they had been acting in isolation."

She warned that the smaller the population becomes the harder it will be for individuals to survive.

"It may be that the old adage of safety in numbers is playing out for the fledglings in the vast and harsh Southern Ocean, although exactly why and how needs further investigation," Emmerson said.
UNI/XINHUA ING。更受关注的核心通胀指标——修正均值CPI——环比上涨0.5%，远高于0.3%的预期，年率持稳于3.6%，高于3.5%的共识。数据细节显示通胀压力具有广泛基础：剔除波动...。

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Published on:10:04:31