Siemers, research leader of the Sensory Ecology Group at the Max Planck Institute for Ornithology, said the bats reach notes that are 8 octaves higher than what the best human sopranos can produce.

锡默斯，系马克斯·普朗克鸟类研究所感官生态学研究小组负责人，说蝙蝠达能到8个八度比最好的人类女高音能发出的音调更高。

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The invading of an alien plant is an individual-to-group process. The invasion will not do harm to the ecology until the plants become a group.

外来入侵植物的入侵要经历一个从个体到种群的过程，只有形成种群后才能对自然生态环境造成危害。

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This is the website for the Ecology of Vision Group, University of Bristol.

这是布里斯托尔大学视觉生态学研究组的网站。

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Professor David Booth, Dr Peter Macreadie and Ashley Fowler have formed the Decommissioning Ecology Group to promote consideration of the idea, which Professor Booth took to the national congress of the Australian Petroleum Production and Exploration Association in Perth this week.

FORBES: Environmental Scientists Urge That Decommissioned Oil Rigs Be Transformed Into Artificial Reefs

According to Alexei Yablokov, a noted scientist who used to advise President Boris Yeltsin on ecology and now heads a pressure group, Russia's security services remember and resent the role that greens played in the collapse of the Soviet Union.

ECONOMIST: Russia

The new mayor of Milan, Giuliano Pisapia, was not the choice of Italy's biggest opposition group, the centre-left Democratic Party, but of the smaller and more radical Left, Ecology and Freedom movement, led by the governor of Puglia, Nichi Vendola.

ECONOMIST: Italy's beleaguered prime minister