Sentences with phrase «estimating tiger numbers»

Not exact matches

Estimates from paw prints and camera traps put the number at about 1400 tigers (Science, 22 February 2008), a figure that reflects years of habitat loss and poaching.
NEW DELHI — Hot on the heels of a study that used feces to track penguin populations from space (ScienceNOW, 6 June), researchers in India are reporting that DNA from tiger poop can help them estimate the cat's numbers in the wild.
The research team combined their results and with data from other scientists and estimated the number of tigers in each remaining forest in Sumatra.
The government estimated current tiger numbers in India at 1,706, up from 1,411 during the last count in 2007.
From an estimated 100,000 at the beginning of the 20th century, the number of tigers today is less than 3,500.
The number of wild tigers has declined from an estimated 100,000 in the early 1900s to a current estimate of around 3,500 adult animals.
a b c d e f g h i j k l m n o p q r s t u v w x y z