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英文字典中文字典相关资料:


  • Can the world save a million species from extinction? - Nature
    A global assessment shows that more than 40% of amphibians are threatened with extinction 1, including the critically endangered bleeding toad (Leptophryne cruentata), which lives in Mount Gede
  • [FREE] Over 40% of amphibians are threatened with extinction . . .
    Over 40% of amphibians are threatened with extinction Considering an amphibian's lifestyle, which of the following explains why amphibians are called "indicator species" of environmental quality? A) Their permeable skin and life cycle depends on both water and land
  • Nearly a quarter of the worlds freshwater species are at . . .
    MORE: Climate change threatening more than 40% of the world's corals with extinction, conservation group says The analysis found that 18% of the freshwater species studied are threatened by
  • Tropical snake diversity collapses after widespread amphibian . . .
    Nowhere has biodiversity loss been more acute than in the tropics, which harbor two-thirds of described species () Recent assessments suggest that nearly 12% of animal species in tropical countries are classified as endangered, vulnerable, or near threatened, representing 64% of all such classified species worldwide ()
  • Amphibians - Endangered Species International
    Countries with the highest number of threatened amphibians (more than 100 amphibians per country) include Colombia (209), Mexico (196), Ecuador (163), and Brazil (110) Distribution of Threatened Amphibians in Central America, Northern South America, and the Caribbean Data from IUCN, Conservation International, and NatureServe 2006
  • IUCN Red List
    little more than guesswork The IUCN Red List includes 128,918 species of which 35,765 (28%) are threatened with extinction Certain groups are known to be considerably threatened, such as amphibians (41%), sharks (31%) and corals (33%) with increased extinction risks observed since 1990 Cephalopods Selected Bony Fishes Selected Gastropods
  • Modeling Habitat Split: Landscape and Life History Traits . . .
    Habitat split is a major force behind the worldwide decline of amphibian populations, causing community change in richness and species composition In fragmented landscapes, natural remnants, the terrestrial habitat of the adults, are frequently separated





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