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Alien plant species on tropical diversity
July 24 , 2025
16 hrs 0 min
62
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- Since the 1950s, the spread of alien plant species has increased exponentially.
- At present, at least four per cent — nearly 13,939 to 18,543 species — have settled outside their biogeographic ranges.
- The Greater Tropics contains around 9,831 established alien plants.
- The tropics and subtropics, collectively termed as the ‘Greater Tropics’.
- By 2050, the introduction of alien species would increase by approximately 21 per cent (669 species) across South America, 12 per cent (503 species) across Africa and 10 per cent (227 species) in the tropical regions of Asia.
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