India's river interlinks may create invasive species 'highways'
Experts warn that India's ambitious Rs. 1.35-lakh crore river-linking project, designed to redistribute water across 37 major river basins, could inadvertently create ecological highways for invasive species. A recent study reveals that connecting these basins may spread deadly aquatic pathogens and enable invasive species to travel into ecologically sensitive areas, threatening native biodiversity. Scientists urge policymakers to include specific guidelines to evaluate invasive species risks, emphasizing that altering natural river barriers can lead to severe ecological consequences for freshwater ecosystems.
Key Points
- India's river-linking project aims to connect 37 major river basins to transfer water from surplus to deficit areas.
- Researchers warn that interlinking rivers could create 'highways' for invasive species and dangerous pathogens.
- The Lower Ganga basin alone hosts numerous invasive species that could spread to the Mahanadi and other sensitive basins.
- Experts recommend incorporating rigorous environmental and invasive species assessments into infrastructure planning.
Exam Facts
- Project scope: Interlinking 37 major river basins
- Estimated project cost: Rs. 1.35-lakh crore
- Organizations involved: Ashoka Trust for Research in Ecology and the Environment (ATREE), Veditum India Foundation
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