Raptors and linear infrastructure in Chhattisgarh, India: species composition and conservation concern

Ashwin, Cheruthottunkara Purushothaman and Alby, Mattathil Jacob and Arjun, Moolamkudy Suresh and Arun, Padijareveedu Ramachandran and Nandu, Vijayakumar Sreelathadevi (2023) Raptors and linear infrastructure in Chhattisgarh, India: species composition and conservation concern. ORNIS HUNGARICA, 31 (2). pp. 1-12. ISSN 1215-1610

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Abstract

We investigated the species diversity of diurnal raptors along the selected linear infrastructure projects in northern Chhattisgarh, India, between December 2020 and September 2022. The study identified a total of 14 raptor species, consisting of 11 species in Accipitridae, two in Falconidae, and one in Pandionidae families. Two species were under threatened category of the IUCN red list, the Vulnerable Indian Spotted Eagle (Clanga hastata) and the Near Threatened Pallid Harrier (Circus macrourus). Linear infrastructure development, such as roads, railways, pipelines, canals, and power lines, is expanding rapidly, causing the degradation and fragmentation of habitats, and leading to the loss of biodiversity. Unfortunately, the impacts of linear infrastructure on bird populations in India have not been adequately studied, resulting in limited understanding and few measures to mitigate these impacts. This study specifically focuses on the status of raptors along selected linear infrastructure intrusions and provides baseline information that can help in understanding their conservation needs. The findings of this study underline the necessity of implementing appropriate measures to mitigate the negative effects of linear infrastructure development in India.

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