CURRENT AFFAIRS

Detailed explanation-1: -The bench directed the committee, which shall be headed by Cherukuri Raghavendra Babu, chairman, Expert Committee on Invasive Species, National Biodiversity Authority, Chennai, to file a report on the ways to weed out such species within two months.

Detailed explanation-2: -An American native shrub, the Siam weed escaped from the botanical gardens of Dhaka in the 19th century and spread across the Indian subcontinent. Due to its dense growth, it prevents other species of plants from growing. This nitrogen-fixing tree is one of the world’s worst invasive species.

Detailed explanation-3: -The International Union for Conservation of Nature (IUCN) defines Invasive alien species (IAS) as species of plants or animals that are introduced by man, accidentally or intentionally, outside of their natural geographic range into an area where they are not naturally present.

Detailed explanation-4: -invasive species, also called introduced species, alien species, or exotic species, any nonnative species that significantly modifies or disrupts the ecosystems it colonizes. Such species may arrive in new areas through natural migration, but they are often introduced by the activities of other species.