Daying Ering Memorial Wildlife Sanctuary in Arunachal Pradesh, India, has experienced a significant loss of grasslands over the past decade, according to a recent study. The sanctuary, which is home to the rare Bengal florican and the endemic swamp grass babbler, has lost 55.91 sq. km. of grasslands from 2012 to 2022. These grasslands serve as crucial habitats for these threatened species.
The loss of grasslands in the sanctuary has been attributed to various factors, including floods, erosion, silt deposition, and human activities. Species that rely on specific habitats are particularly vulnerable to such changes, as they are often unable to adapt to sudden alterations in their environments.
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The Bengal florican, a critically endangered bird with fewer than 1,000 individuals remaining in the wild, is found exclusively in the Daying Ering sanctuary. Similarly, the swamp grass babbler, an endangered bird species, is also dependent on the sanctuary’s grasslands for its survival.
Studies have shown that the grasslands in Daying Ering are essential for the survival of these species. A survey conducted in 2016 revealed the presence of 29 territorial male Bengal floricans in the sanctuary, making it one of the most important conservation sites for the species in India. The swamp grass babbler is also highly dependent on the sanctuary’s grasslands.
The loss of grasslands in Daying Ering is a growing concern. A recent study found that 55.91 sq. km. of native grasslands have been cleared in the sanctuary over the past ten years, primarily due to the widening of the Siang and Sibia rivers. This loss of grasslands has resulted in an expansion of sandbars and an increased risk of floods.
The loss of grasslands in the sanctuary is part of a larger trend in the region. Factors such as floods, erosion, silt deposition, expansion of agriculture, and human activities have been contributing to the decline of grasslands in the upper Brahmaputra plains.
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Experts warn that the loss of grasslands and the resulting changes in habitat pose a significant threat to the survival of endangered species in the sanctuary. Species that inhabit reclusive habitats are less likely to adapt to sudden changes, further increasing their vulnerability.
Efforts are being made to raise awareness about the importance of conserving these iconic wildlife species. Local organizations, such as the tribal student body and social organization TMPK, are conducting awareness programs to educate people and protect these species.
The loss of grasslands in Daying Ering Memorial Wildlife Sanctuary highlights the urgent need for conservation efforts to protect these unique habitats and the endangered species that depend on them.
