The tiger census of 2018 showed the total number of tigers in the entire north eastern region of India as 219, which included 190 tigers in Assam, followed by 29 in Arunachal Pradesh. Even as all other states in its vicinity including West Bengal, Mizoram and Nagaland recorded decreasing numbers to nil in tiger censuses over the years, Assam outshone them each time.The state had just 70 tigers in 2006, and has thus recorded over 250% growth.
While Pakke has recorded a decline in tiger numbers in 2018, Kaziranga landscape has been successful in maintaining the pace of increase in its tiger population. The Kaziranga National Park along with the Orang National Park (mini Kaziranga National Park) is also known for the highest density of tigers in the north eastern landscape. A few studies even indicate that their density is the highest in the country.
The NTCA has identified 32 landscape level tiger corridors in India, out of which 4 corridors are directly linked with Kaziranga National Park. Out of the 4 corridors linking Kaziranga, the Kaziranga-Karbi Anglong corridor is one of the most important and critical links not only for maintaining the ecosystem of Kaziranga but for providing refuge to the huge population of wildlife fauna during yearly floods. There are 9 smaller animal corridors, which are part of the larger Kaziranga-Karbi Anglong corridor (see map below).
Based on the observations made in various official documents and details gathered during field visit, it is concluded that the stone mining/ quarrying and stone crushers established in the intervening area between Kaziranga and Karbi Anglong hills are responsible for destruction of wildlife corridors and vital wildlife habitat which is essential for long ranging species like Indian elephants and tigers. In addition, these stone mining/quarrying and stone crushers are also responsible for drying and siltation of several natural streams and rivulets that flow from Karbi Anglong hills towards Kaziranga. Considering the destructive impacts of quarrying/mining activity, all the stone mining/ quarrying and crusher units need to be closed down immediately. If these destructive activities are not stopped immediately then there is a high risk that Kaziranga National Park may lose its corridor and habitat connectivity with the larger Karbi Anglong landscape permanently.
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