From 50 in 2013, Tadoba-Andhari tigers up by 10

Written By Unknown on Selasa, 26 Agustus 2014 | 22.33

NAGPUR: The long-term monitoring project on tigers, co-predators in Tadoba-Andhari Tiger Reserve (TATR) and the adjoining landscape' being implemented by the Wildlife Institute of India (WII), Dehradun, has pegged the estimate of tigers as 60 in TATR, an increase by 10 tigers, and 32 leopard individuals, showing a steep increase from 17 as compared to last year.

The abstracts of the report were discussed at a two-day internal research seminar by WII from August 18-20. The study is part of the six-year mega project (2013-2018) launched with funding from Maharashtra forest department and National Tiger Conservation Authority (NTCA).

"I've not received the copy of the estimation from WII and hence it will not be proper to comment. Last year, Tadoba core had 50 individual tigers and 22 in its buffer," said TATR field director GP Garad who could not attend the meet.

The WII had estimated population of tigers, leopards and wild dogs present in TATR. This was the first attempt to study population dynamics of three predators in the park.

"The number of tigers in Tadoba core has gone up from 50 in 2013 to 60 in 2014 with a standard error of 5.8 (upper and lower limit of five individuals). For tigers it is based on 56 adult individuals identified from the photographs. We also identified 32 leopard individuals from the camera-traps, which showed a steep increase from 17 in 2013. We estimated 7 dhole packs in the tiger reserve with an average pack size of 6.2 with standard error of 1.4," said scientist Bilal Habib.

APCCF VK Sinha, Garad, Parag Nigam and Gautam Talukdar were other principal investigators.

The WII data is based on three sessions of camera-trapping (20 days each session) with an overall effort of 8,000 trap nights conducted in March-April. The researchers Nilanjan Chatterjee, Madhura Davate and AK Dashahare used capture recapture model to estimate the population of tiger and leopards in the reserve. The WII used hierarchical classification to enumerate the number of dhole packs present in the area based on number of individuals captured in each or series of photographs captured in a short time interval.

The WII report says that large turnover rates in big cat population indicates its connectivity with other protected areas (PAs). "Long-term survival of this predator guild will depend on functional connectivity of TATR with adjoining PAs," said Habib.

As per the results of 2010 national tiger assessment, conducted nationally every four years, the NTCA & WII had put the figures in and around Tadoba landscape of 2,610 sq km at 69 tigers (between 66 and 74).

However, the WII also studied Tadoba landscape. "We are still analysing figures and other factors in the buffer zone. A report in this regard will be submitted in next two months," said Habib.

"The number of tigers going up in Tadoba is a wake up call for territorial officials who will have to pull up their socks for better wildlife management to avoid Pombhurna-type episodes, where a tiger was shot dead for being a man-eater," said Bandu Dhotre, honorary wildlife warden of Chandrapur.

Last month, TOI had already reported presence of 31 tigers in wildlife sanctuaries and national parks under Pench Tiger Reserve (PTR) and 6 tigers Navegaon-Nagzira Tiger Reserve (NNTR).

TADOBA TIGERS ROARING

* WII says in the last two years several tigresses in the park had litter of four cubs.

* As per 2010 national tiger assessment of NTCA & WII, Tadoba and its landscape of 2,610 sq km had 69 tigers

* In 2012, Tadoba recorded 43, in 2013 had 50

* In 2014, number up to 60


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