音标:[dɪˈsɪdʒu:əs ˈfɔrist ˈklaimit] ;
落叶林气候

When autumn rolls around, the leaf peepers come out in force. Armed with digital cameras, they record the most spectacular displays of fall foliage. Well according to a study in the journal Functional Ecology [Toshie Mizunuma et al., The relationship

发表于:2018-12-02 / 阅读(42) / 评论(0) 分类 Scientific American(十二)月

Climate change may be partly to blame for the massive die-off of pine trees in the western U.S. But it works the other way, too: forest die-offs can alter the global climate. I like thinking of this as a parallel to something like El Nino. Abigail Sw

发表于:2018-12-24 / 阅读(46) / 评论(0) 分类 2016年Scientific American(十一)月

KELLY MCEVERS, HOST: In Hawaii, on the island of Kauai, the native forest birds are in danger. The island has lost more than half of those native species, and it could be an early warning for the other Hawaiian Islands. Gloria Hillard reports. GLORIA

发表于:2019-01-08 / 阅读(30) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Tree Deaths Linked to Climate Change Stanford University graduate student William Anderegg has seen this forest die-off firsthand. His doctoral thesis documents the impact of drought on trembling aspen, the most common tree in North America. These ar

发表于:2019-01-13 / 阅读(58) / 评论(0) 分类 VOA标准英语2012年(九月)

A discovery of a mummified forest that's between two and 10 million years old is giving scientists a new window on climate change. Joel Barker, a research scientist at the Byrd Polar Research Center at the Ohio State University, discovered the mummif

发表于:2019-01-13 / 阅读(48) / 评论(0) 分类 VOA标准英语2010年(十二)月

By Luke Hunt Bangkok 05 November 2009 FAO says most countries in Europe and North America have reversed centuries of deforestation As international attention shifts to Copenhagen and the coming United Nations conference on climate change, reforestat

发表于:2019-02-18 / 阅读(63) / 评论(0) 分类 VOA标准英语2009年(十一月)
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Achenwald
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back conductance ratio
big stick
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