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Authors
Affiliations
1 Central National Herbarium, Howrah 711 103, IN
2 Botanical Survey of India, Southern Regional Centre, Coimbatore 641 003, IN
Source
Current Science, Vol 118, No 4 (2020), Pagination: 524-525
Abstract
The exotic or non-native organisms that occur outside their natural adapted ranges and dispersal potential are called alien species. Human beings have been introducing animals and plants from one part of the world to another, for various purposes by different means since time immemorial. Some of the alien species become invasive when they are introduced deliberately or accidentally outside their natural habitats into new areas where they express the potential to establish, invade and out-compete native species1.
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