- Popular Article2012The mysterious cat of the high mountainsThe Hindu in School, 18 July
- Popular Article2012The land of the fungusThe Hindu in School, 15 August
- Popular Article2012Kosi: a river that can’t be pinned downThe Hindu in School, 29 August
- Poster2012Poster for public information campaigns to dissuade people from "rescuing" leopard cubsOctober 2012Download
JPG, 207 KB
This poster was part of public information campaigns undertaken in order to highlight the impacts of picking up leopard cubs from forests, sugarcane fields and other areas.
- Popular Article2012Flight of the GooseThe Hindu in School, 7 November
- Popular Article2012Dolphins for the GovernorThe Hindu in School, 22 August
- Popular Article2012The world of bats: echolocationThe Hindu in School, 9 May
- Popular Article2012அதிரப்பள்ளியும்அமிதாபச்சனும். (On Athirapalli Waterfalls,Dr. Amitha bachan’swork on Great Hornbills)புதிய தலைமுறை. 13 செப்டம்பர் 2012. Puthiya Thalaimurai. 13th September 2012.
அதிரப்பள்ளியும்அமிதாபச்சனும். காக்கைக்குருவிஎங்கள்ஜாதிதொடர்-10. புதியதலைமுறை. 13 செப்டம்பர் 2012.[Jeganathan, P. (2012).Athirapalliyum Amitha bachanum. Kakkai Kuruvi Engal Jathi-Series, ArticleNo.10Puthiya Thalaimurai. 13th September 2012. (On Athirapalli Waterfalls,Dr. Amitha bachan’swork on Great Hornbills)]
- Popular Article2012The curious case of the wormThe Hindu in School, 19 December
- Popular Article2012காடென்ன செய்தது நமக்கு? (On what can we do for Wildlife conservation?)புதிய தலைமுறை. 1 நவம்பர் 2012. Puthiya Thalaimurai. 1st November 2012.
- Report2012Protecting a hornbill haven: a community-run conservation initiative around Pakke Tiger ReserveHNAP Report for 2012Download
PDF, 2.11 MB
2012 Report for Hornbill Nest Adoption Program
- Popular Article2012பூஞ்சைக்கு வந்த மவுசே! (On Fungi)புதிய தலைமுறை. 25அக்டோபர் 2012. Puthiya Thalaimurai. 25th October 2012.
- Popular Article2012களைகள் ஓய்வதில்லை. (On Invasive Alien Plants)புதிய தலைமுறை. 27 செப்டம்பர் 2012. Puthiya Thalaimurai. 27th September 2012.
- Popular Article2012நம் முகத்தில் முழித்த நரி (On Golden Jackal conservation)புதிய தலைமுறை. 20செப்டம்பர் 2012. Puthiya Thalaimurai. 20th September 2012.
- Popular Article2012காப்பிநல்லதா?டீநல்லதா? (On best practices in sustainable agriculture of Coffee and Tea)புதிய தலைமுறை. 6 செப்டம்பர் 2012. Puthiya Thalaimurai. 6th September 2012.
காப்பிநல்லதா? டீநல்லதா?. காக்கைக்குருவிஎங்கள்ஜாதிதொடர்-9. புதியதலைமுறை. 6 செப்டம்பர் 2012.[Jeganathan, P. (2012).Kappi nallatha? Tea nallatha?. Kakkai Kuruvi Engal Jathi-Series, Article No.9. Puthiya Thalaimurai. 6th September 2012. (On best practices in sustainable agriculture of Coffee and Tea)]
- Popular Article2012Shared parentingHindu Survey of the Environment, July 2012, pp. 88-97.Download
PDF, 8.61 MB
A programme to adopt hornbill nests in Arunachal Pradesh is giving these great birds a chance to survive in Pakke,
- Popular Article2012கூடுகட்டவாகுருவி. (On House Sparrows)புதிய தலைமுறை. 19ஜூலை 2012 Puthiya Thalaimurai. 19th July 2012
- Popular Article2012தேசாந்திரியின்தோற்றப்பிழை. (On the impact of polarized light on Wandering Gliders)புதிய தலைமுறை. 23 ஆகஸ்டு 2012. Puthiya Thalaimurai. 23rd August 2012.
- Popular Article2012The feathered forestersSaevus 1(4, Sep/Oct): 28-33.
- Journal Article2012Optimizing individual identification and survey effort for photographic capture–recapture sampling of species with temporally variable morphological traitsAnimal Conservation 15(2): 174-183
Endangered, wide-ranging megafauna have many threats to contend with during their struggle for survival in an ever-increasing human dominance of the environment. Reliable monitoring of endangered large mammal populations is therefore a critical conservation requirement. Photographic capture–recapture (CR) techniques have opened up avenues for population monitoring of individually recognizable large mammal species. The efficient application of these techniques, however, can be constrained by challenges in reliably identifying individuals arising from the use of multiple, and potentially variable traits, as well as issues of temporal sampling of populations in the field. We address these key problems by describing an automated process of rapidly identifying individual Asian elephants (Elephas maximus) from photographs, and comparing resultant CR-based population parameter estimates with those obtained using supervised visual identification of individuals. In addition, we assess the temporal effort necessary for robust estimation of demographic parameters in our study population. Morphological traits that maintain constancy over time, including variations in tusk characteristics, and ear fold and lobe shape, proved the most reliable for individual identification and subsequent estimation of population parameters. The use of temporally variable traits contributed to high probabilities of misidentification and biased estimates of population size. We found a minimum of seven sampling occasions necessary for reliable population estimation. Our study contributes to design issues for CR studies by providing insights into optimality of sampling effort such that precision of parameter estimates are not compromised while minimizing survey costs. We demonstrate the importance of accurate individual identification in the context of such studies and recommend the use of fixed morphological traits as the optimal individual identification strategy for species where animals are distinguished on the basis of multiple attributes, including some that may be variable over time.