Its not only the media, concerns are all over
This is quite old technique for tiger census; it was first used by W. J. Nicholson of Imperial Forest Service in Palamau district,
It’s a brain child of Dr. Ullas K. karanth, who is now in
Few intersting links:
Jayarajan, O. (1983a). Pugmark census. Cheetal 25(3): 44–51.
Iutam Symposium on Recent Developments in Non-Linear Oscillations of Mechanical Systems
Karanth, K. U. & Nichols, J. D. (1998). Estimation of tiger densities in India using photographic captures and recaptures. Ecology 79: 2852–2862.