Σάββατο 19 Οκτωβρίου 2013

ScienceDaily: Top Environment News

ScienceDaily: Top Environment News


Scientists estimate 16,000 tree species in the Amazon

Posted: 17 Oct 2013 11:45 AM PDT

Researchers, taxonomists, and students from The Field Museum and 88 other institutions around the world have provided new answers to two simple but long-standing questions about Amazonian diversity: How many trees are there in the Amazon, and how many tree species occur there?

Bats discover surround sound

Posted: 17 Oct 2013 11:44 AM PDT

A new study by researchers shows that the furled leaves of Heliconia and Calathea plants where Spix's disc-winged bats make their home actually help to amplify and transmit the social calls of the bats.

World's first mapping of America's rare plants

Posted: 17 Oct 2013 08:14 AM PDT

The results of a major international research project show that climate stability plays a crucial role in the distribution of plants on Earth. Rare species in the Americas are restricted to areas of California, Mexico, the Caribbean islands, parts of the Andes mountains, the south of South America, and the region around Rio de Janeiro. The flora in most of North America and the Amazon basin, however, are dominated by widespread species.

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