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Thousands of Undiscovered Plant Species Worldwide Face Extinction, Study Reveals http://apocadocs.com/s.pl?1278507252
Dr Joppa explained: "By using a model that incorporates taxonomic effort over time, we calculated that the current number of species should grow by ten to 20 percent, meaning that there are between ten and 20 percent more undiscovered flowering plant species than previously thought -- a finding that has enormous conservation implications, as any as-yet-unknown species are likely to be overwhelmingly rare and threatened."
Dr Roberts said: "If we take the number of species that are currently known to be threatened, and add to that those that are yet to be discovered, we can estimate that between 27 percent and 33 percent of all flowering plants will be threatened with extinction."
Dr Joppa added: "That percentage reflects the global impact of factors such as habitat loss. It may increase if you factor in other threats such as climate change."
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[Read more stories about:
habitat loss, ecosystem interrelationships]
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