New Delhi, July 18 -- Summary A study in Nature Reviews Biodiversity reveals that alien plant species are rapidly invading tropical ecosystems, replacing native flora and causing irreversible changes.

Climate change and human activities exacerbate this spread, threatening biodiversity and livelihoods in the Greater Tropics.

The study calls for urgent interdisciplinary research and restoration efforts to mitigate these impacts.

Alien plant species, introduced by humans directly or indirectly in different geographical regions of the world, are now spreading at an unprecedented pace, reshaping tropical ecosystems globally.

These novel plant communities are rapidly replacing rich, diverse and stable ecosystems. They are causing irreversib...