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Displaying Tag 'Biodiversity'

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1
May

 

Key role of the Andes in the appearance and spread of tropical biodiversity

 
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Why South America meets the widest range of plants and animals on the planet? One study, with participation of the Conejos Superior de Investigations Scientifics (CSIC), proposes an explanation beyond ecological factors: the authors reveal the key role played by the birth of the Andes in the emergence and spread of tropical biodiversity a finding that challenges the traditional view that considered the Amazon River drives the expansion of the biodiversity of the region.

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20
Nov

 

70% of plants are threatened

 
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The International Union for Conservation of Nature (IUCN) today introduced the latest Red List of Threatened SpeciesThat has not stopped growing since its first edition in 1997. According to the report, the plant species most at risk (70%), followed by freshwater fish (37%), invertebrate animals (35%), amphibians (30%), reptiles (28%), mammals known (21%) and birds (12%).

Queen of the AndesRed List contained 12,151 plants, of which 8500 are threatened with extinction and 114 are presently in the category extinct or extinct in the wild. Native American Queen (Puya raimondii) Has been reassessed and is maintained in the endangered category. This plant, found in the Andes of Peru and Bolivia, produces seed only every 80 years before he died and it is possible that climate change is already undermining their ability to flourish.

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Category: Life ScienceTags: , , , ,
 
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21
Oct

 

A researcher at the CSIC says if species extinction continues, by 2050 will have lost half of biodiversity

 
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Research professor of the Higher Council for Scientific Research (CSIC) in the Donana Biological Station, Miguel Delibes, today addresses a conference entitled “Biodiversity and Conservation in the XXI century ‘, which will address the extinction of species” to continue at this pace, by 2050 will have lost half of biodiversity, “he said.

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Category: EnvironmentTags: , , , , ,
 
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