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The Sundarban Tiger
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Climate change, mangroves, and tigers
http://www.zulkernaeen.com/exclusive-report/cc-sundarbans-tiger-habitats/ 
According to the information from Bangladesh Forest Department, in the 20 years between 2001 and July 2020, altogether 38 tigers died in r the country, 22 in East Division and 16 in West Division of their side of Sundarbans... 2 tiger deaths per year is a fairly decent number.
 *This image is copyright of its original author May last year, a report on 'Second Phase Status of Tiger in Bangladesh Sundarbans 2018' said the number of Royal Bengal Tiger in Bangladesh part of the Sundarbans increased to 114 from 106.
@Rishi, that is very much an understatement. Even if we assume that in 2001, there were 50 tigers in the Bangladeshi part, all of those 50 have died naturally. And, in all likelihood, even the next generation after that has lost many tigers. And, all this is based on the population being 50 in 2001, although most likely the population has remained constant in Bangladeshi Sundarbans because at one point Bangladesh claimed to have 400 tigers.
In all likelihood, the number of deaths would be close to 100 including poaching and 200 if you add cubs and subadults. (07-27-2020, 05:24 PM)Ashutosh Wrote: @Rishi, that is very much an understatement. Even if we assume that in 2001, there were 50 tigers in the Bangladeshi part, all of those 50 have died naturally. And, in all likelihood, even the next generation after that has lost many tigers. And, all this is based on the population being 50 in 2001, although most likely the population has remained constant in Bangladeshi Sundarbans because at one point Bangladesh claimed to have 400 tigers. Oh yeah! Now that you mention it, this is the only possibility to statistically make sense... 20 years mean at tge least whole generation of their total tiger population has died off. And when the claim 400 tigers WBFD claimed 275 on Indian side. After camera trapping started that became 76 on our side & less than 100 on theirs.
Tiger fitted with radio collar in Sunderbans
While earlier data was used to decode their home range and territory, foresters want to ascertain their movement pattern near human settlements. Published 28.12.20, 01:24 AM  *This image is copyright of its original author An adult male tiger was fitted with a radio collar before being released in the Harikhali forest of the Sunderbans to study it’s behaviour and track its whereabouts in the mangroves. The exercise was carried out by the wildlife wing of the state forest department in collaboration with the WWF. While earlier data from radio-collared big cats was used to decode home range and territory in the Sunderbans, foresters want to ascertain their movement pattern near human settlements. The male tiger was caught by foresters on Saturday for the purpose of fitting the radio collar and was released back into the wild on Sunday afternoon. Chief wildlife warden V.K. Yadav said the project was being jointly executed with WWF-India’s Sunderbans chapter. “We have plans to put radio collars on a few more tigers in order to better understand their movement, habitat utilisation as well as to safeguard them by preventing man-animal conflicts,” said Yadav. A senior forester in the Sunderbans said monitoring the range of big cats was difficult because of the terrain and tide timings. Nowhere else in the world do tigers face such severe difficulties. “They have to negotiate the nettles of mangrove that stick out on the banks of creeks like needles, they have to frequently swim and along with negotiating the extremely harsh terrain, they have to hunt as well,” said the forester. The landscape coordinator of WWF-India’s Sunderbans chapter, Ratul Saha, said the tiger could be tracked through satellite as well as portable Very High Frequency (VHF) range receivers. “The idea is to gauge the extent of negative interactions between tigers and humans that will help all stakeholders to develop strategies to reduce conflicts among humans and tigers,” said Saha. The collar weighs around 1kg and beams signals to a satellite at regular intervals. They have an automatic dropoff mechanism, which will enable field workers to take the gadget off the big cat through remote control. The field director of the Sunderbans Tiger Reserve, Tapas Das, said they had planned to radio tag at least two more tigers. |
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