One of the world's biodiversity experts has warned that for the first time since dinosaurs have died humans are pushing animals and plants to extinction quicker than new species can evolve.
Explanation:
Bigger animals are at greatest risk because they take longer than smaller animals and birds for their reproduction and maturity. Diet or habitat will often not easily alter. There is also little time to adapt them to a rapidly evolving environment.
The World Wide Fund for Nature (WWF) claims that the majority of the world's land has already been altered to damage biodiversity by humans. Today, a sixth of the earth surface is reserved to protect wildlife, but for freshwater and marine habitats it is difficult to tell this.
Between 1970 and 2012, freshwater populations decreased by over 80%, primarily due to habitat degradation caused by dams and water abstractions. The life in the sea creatures decreased by a third during the same time, mainly because of over-fishing
Scientists at Southampton University believe that if the expected extinctions materialize, the survival of human life on the planet will be endangered.
Radical action can save threatened species however, it must start now. If we do nothing, the rate of extinctions will accelerate.
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