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30
| STORIES ABOUT: biodiversity |
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| Planet's Last Wild Spaces |  | Wild spaces are crucial for the survival of the planet: they contribute to the maintenance of the clime variation, rainfall and snowfall, but, most important, they are a reserve for preserving the biodiversity. With the increasing of human activity, the last wild spaces of the planet are fast disappearing under the attack of the infrastructure, urbanization and agriculture (often generating deforestation).
The human presence can be per ... [read more >>] | | 17 April 2008, 09:39GMT | (c) 2008 Softpedia |
| Meteorites Bring Life or Death? |  | Although most of the time they are associated to death and destruction, asteroids such as the one responsible for the extinction of the marine life 250 million years ago, or that of the dinosaurs more than 65 million years ago, traveling through the immensity of space could have also brought organic materials, necessary for life to appear and evolve, and why not even life itself.
Even today some scientists have a difficult time accepti ... [read more >>] | | 18 December 2007, 04:41GMT | (c) 2008 Softpedia |
| Why Do We Bring the Species to Extinction? |  | Human activity has triggered the fastest extinction rate in Earth's history. In the last 30 years, 33% of the natural places have disappeared: over 10% of the forests, 30% of the ecosystems and 50% of the freshwater ecosystems, due to increased agriculture and industry contamination as well as increased water consume. In the last 500 years, 844 vertebrate species disappeared because of the human activity.
The Dodo bird has turned ... [read more >>] | | 15 December 2007, 02:56GMT | (c) 2008 Softpedia |
| Green Revolution: Will We All Die of Hunger? |  | Humankind, as a whole, has never faced the menace of having the factors that maintain it alive collapse. In your living area, an apple may be something banal, easy to get and perhaps diverse. But, while between 1804 and 1905 there were 7,098 types of apples cultivated in US, today 6,121 types (80 %) are extinct. 88 % of the 2,683 types of pears are gone. In 1949, in China there were cultivated 10,000 varieties of wheat; today just 1,000.
... [read more >>] | | 08 December 2007, 03:37GMT | (c) 2008 Softpedia |
| The First Global Map of Plant Biodiversity |  | Researchers at the University of California, San Diego and the University of Bonn, Germany have realized the first global map of estimated plant species richness.
The map assessed three hundred thousand species and is the most extensive map of the distribution of biodiversity on Earth to date. The map signals very clearly areas of particular diversity, important for conservation, and helps assessing the impact of climate chan ... [read more >>] | | 21 March 2007, 09:16GMT | (c) 2008 Softpedia |
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