Environment › Species in news
Invasive alien species
Species that spread where they were brought and crowd out what was there, plant and animal, on land and in water, and the plans, conventions and clearing drives against them. Prelims has asked why Prosopis juliflora is in the news and which body develops the Global Invasive Species Database.
UPSC has asked
- Prelims 2023: the body behind the Global Invasive Species Database
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Invasive weeds in elephant habitat
Copy link to Invasive weeds in elephant habitatPrelims and Mains
A forest can stand intact and still hold nothing an elephant will eat. Assam has begun clearing the invaders out of one reserve forest and burning the cleared biomass into biochar rather than letting it rot back.
- The work started in Khalingduar Reserve Forest, Udalguri.
- The target weeds are Lantana camara, Chromolaena odorata and Mikania micrantha, which choke native fodder.
- Seed balls help native vegetation regenerate.