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Climate change threatens the Nilgiri tahr
Why it is in news?
- The antics of the sure-footed Nilgiri tahr are a treat to watch, but these endangered wild mountain goats found only in high altitudes in India’s Western Ghats could be losing their footing with increasing climate change.
- Even under moderate scenarios of future climate change, tahrs could lose approximately 60% of their habitats from the 2030s on, predict scientists in their study in Ecological Engineering, an international journal that emphasises the need for ecological restoration.
- Scientists tried to predict how climate change can affect tahr habitat in the Ghats by mapping tahr distribution (using existing information and field surveys) and then using climatic factors of these locations to see where tahrs would be able to survive, given current and future climate change scenarios.
- They found that tahr strongholds such as Chinnar, Eravikulam and Parambikulam in Kerala will still be stable habitats under different climate change scenarios.
- However, other regions, including parts of Tamil Nadu’s Kalakkad Mundanthurai Tiger Reserve and the wildlife sanctuaries of Peppara, Neyyar, Schenduruny and Srivilliputhur, could experience severe habitat loss in future; in total, approx. 60% of tahr habitat could be lost across the Ghats from 2030s onwards.
- There are only around 2,500 tahrs left in the wild and their population — “small and isolated, making them vulnerable to local extinction” — shows a “decreasing” trend, as per the International Union for Conservation of Nature.
Local threat
- According to the report, only the Eravikulam and Mukurthi National Parks stress on tahr-centered conservation activities in their management plans.
- Though the recovery plan identified “conservation units” and made site-specific recommendations, how much of it has been implemented is unclear
- It is important that we focus our efforts on these conservation units and monitor isolated populations
Source
The Hindu