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The (FAC) has granted in-principle clearance for a 1,200-MW hydroelectric project on the Lohit River in Arunachal Pradesh. This project threatens the critically endangered white-bellied heron (*Ardea insignis*), whose population in India is concentrated in this river basin. The project highlights concerns regarding the adequacy of (EIA) and the balance between infrastructure development and biodiversity conservation in fragile ecosystems like the Eastern Himalayas.
The white-bellied heron is a critically endangered species, protected under Schedule I of the Wildlife Protection Act, 1972, indicating the highest level of legal protection in India. Its survival is intrinsically linked to pristine, fast-flowing Himalayan rivers and mature riparian forests (forests adjacent to a body of water). The proposed hydroelectric project on the Lohit River, a tributary of the Brahmaputra River, threatens this specialized habitat by altering water flow, increasing turbidity, and submerging critical nesting grounds. The concept of local extinction is highly relevant here; specialized species are extremely vulnerable to habitat alteration. The article also touches upon the broader ecological complexity of the Eastern Himalayas, recognized globally as a biodiversity hotspot. This emphasizes the need for conservation strategies that adopt a landscape or basin-level approach rather than isolated, site-specific assessments, recognizing the interconnectedness of habitats.
The clearance process for the hydroelectric project exposes significant gaps in environmental governance, specifically concerning the Environmental Impact Assessment (EIA) framework. The EIA report, prepared by WAPCOS Ltd, failed to include the white-bellied heron despite the Lohit basin being its primary habitat in India. This omission raises questions about the rigor and accuracy of baseline data collection in EIAs, a critical tool meant to predict the environmental consequences of a proposed project prior to decision-making. Furthermore, the decision by the Forest Advisory Committee (FAC) to permit compensatory afforestation in Madhya Pradesh—over a thousand kilometers away from the project site—highlights a fundamental flaw in policy implementation. Ecologists argue that natural, complex forest ecosystems like those in the Himalayas cannot simply be 'recreated' elsewhere, questioning the ecological validity of the Compensatory Afforestation Fund Act, 2016 (CAMPA) mechanism in highly specialized habitats.
The issue is situated in the Eastern Himalayas, a region characterized by high climatic variability, diverse forest types, and immense topographical complexity. This region forms a part of a global biodiversity hotspot, making it ecologically fragile and highly sensitive to anthropogenic (human-induced) interventions like large dams. The white-bellied heron relies specifically on fast-flowing river systems up to 1,500m above sea level, indicating a narrow ecological niche. The project's location on the Lohit River, a major tributary of the Brahmaputra River, means that alterations in water flow and sediment transport (turbidity) will not only affect local species but could have downstream cascading effects on the larger river basin ecosystem. This geographic specificity underlines why standard 'compensatory' measures often fail to mitigate the true ecological cost of development in such unique terrains.