Competitive Exams: Current Affairs 2011: Tiger Census 2010

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Tiger Census 2010

  • population estimate 1706 (lower limit as 1571 and the upper limit at 1875) .
  • grown 12 per cent in the last four years.
  • The estimate of 2006 shows lower limit at 1165 and upper limit at 1675. The population estimate for Tiger Census 2006 was total 1411.
  • Sunderbans was not surveyed in 2006 but is included in 2010 census.
  • Concern: Tiger occupancy areas shrunk from 9 million hectares to less than 7.5 million hectares over the last four years.
  • tw-States that have fared the worst in the census, with tiger populations falling to 213 in Madhya Pradesh and 65 in Andhra Pradesh.
  • The largest number of tigers lives in Karnataka about 280.
  • close to 30 % of the estimated tiger population, it is outside the 39 Tiger Reserves.
  • This monitoring exercise was carried out between December 2009 and December 2010.
  • The three phases of the tiger estimation procedure included field data collected at the beat-level (i.e.. . The primary patrolling unit) by trained personnel using a standardised protocol in the first phase.
  • The second phase was analysis of habitat status of tiger forests using satellite data and the third phase dealt with camera trapping. It was the primary method used, where individual tigers were identified from photographs based on their unique stripe patterns. This information was analysed using a well established scientific framework.
  • Based on the tiger numbers recorded in sampled sites, an estimate for other contiguous tiger-occupied landscapes was made.
  • For this, additional information such as tiger signs, prey availability, habitat conditions and human disturbance was used.
  • New findings of 2010 national tiger assessment suggest that most tiger source sites continue to maintain viable tiger populations. Evidence of new areas populated by tigers, e. g. Kuno-Palpur Wildlife Sanctuary and Shivpuri National Park in Madhya Pradesh

Courtesy: The Hindu and Times of India

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