- Poster2011Some Birds Of The Nilgirissupported by Whitley Fund For NatureDownload
PDF, 22.7 MB
Nilgiri Biosphere Reserve, Emerald Dove, Hill Myna, Indian Pitta, Jerdon's Nightjar, The Great Hornbill, Grey Wagtail, Black Eagle, Stork-billed Kingfisher, Blue-bearded Bee-eater, Spot-bellied Eagle Owl, Malabar Trogon
- Popular Article2011Bridging the canopy gapsBlog post at Reviving Rainforest
- Popular Article2011Habitat is the key.Down To Earth. October 1-15. Page 31.Download
PDF, 1.16 MB
Jeganathan, P. (2011). Habitat is the key. Down To Earth. October 1-15. Page 31.
- Report2011Framing ecologically sound policy on linear intrusions affecting wildlife habitats: Background paper for the National Board for Wildlife, Ministry of Environment and Forest, India.
PDF available at iMinistry of Environment and Forest, India, website. Click here to download.
- Journal Article2011Patterns of spatiotemporal change in large mammal distribution and abundance in the southern Western Ghats, IndiaBiological Conservation 144: 1567-1576Download
PDF, 661 KB
Large mammals face high risks of anthropogenic extinction owing to their larger body mass and associated life history traits. Recent worldwide mammal declines have highlighted the conservation importance of effective assessments of trends in distribution and abundance of species. Yet reliable data depicting the nature and extent of changes in population parameters is sparse, primarily due to logistical problems in covering large areas and difficulties in obtaining reliable information at large spatial scales, particularly over time. We used key informant surveys to generate detection histories for 18 species of large mammals (body mass > 2 kg) at two points in time (present and 30 years ago) in the Southern subregion of the Western Ghats global biodiversity hotspot. Multiple-season occupancy models were used to assess temporal trends in occupancy, detectability and vital rates of extinction and colonization for each species. Our results show significant declines in distribution for large carnivores, the Asian elephant and endemic ungulates and primates. There is a significant decline in detectability for 16 species, which suggests a decline in their abundance. These patterns of change in distribution and abundance repeat in our assessments of spatial variation in occupancy dynamics between the three contiguous forest complexes and two human-dominated landscapes into which the southern Western Ghats has been fragmented. Extinction rates are highest in the human-dominated landscapes. Declines in abundance for several species suggest the presence of extinction debts, which may soon be repaid with imminent range contractions and subsequent species extinctions unless immediate remedial conservation measures are taken. Detection/non-detection surveys of key informants used in an occupancy modeling framework provide potential for rapid conservation status assessments of multiple species across large spatial scales over time.
- Report2011Wildlife in the Havukal – Warwick estates, Nilgiris: a field survey and inventory report.Nature Conservation Foundation, Mysore.
Jeganathan, P. & Murali, R. (2011). Wildlife in the Havukal – Warwick estates, Nilgiris: a field survey and inventory report. Nature Conservation Foundation, Mysore.
- Popular Article2011வேழங்களை வாழவைக்க. (To save our Asiatic Elephants)துளிர். அக்டோபர் 2011. பக்கங்கள் 7-10. Thulir. Science monthly magazine for Kids. Pp 7-10.
- Popular Article2011Remembering Charles Darwin.The Hindu Young World. 15th February.
Jeganathan, P. (2011). Remembering Charles Darwin. The Hindu Young World. 15th February.
- Journal Article2011Farmland foods: Black-necked Stork Ephippiorhynchus asiaticus prey items in an agricultural landscapeForktail 27: 98-100
- Popular Article2011Roads, revetments and restorationBlog post at Reviving Rainforest
- Report2011Conserving a hornbill havenHNAP Report for 2011Download
PDF, 1.83 MB
2011 Report for the Hornbill Nest Adoption Program
- Popular Article2011Elusive Malabar civetDeccan Herald Spectrum, 25 January 2011, page 4.Download
PDF, 190 KB
Have we really lost another mammal species from India? If not, what has become of the Malabar civet? Intrigued, Divya Mudappa sets out to look for the species in the Western Ghats along with NIAS researcher Nandini, only to find the Indian civet. The Malabar civet, she says, is rare in museum collections too, and even a bad photograph of a wild Malabar civet would be better than none at all.
Available here: http://www.deccanherald.com/content/131706/elusive-malabar-civet.html
- Popular Article2011Rhythms of renewalThe Hindu Magazine, 2 January 2011, page 5.
Efforts on global and local fronts have changed environment development like never before. Will the government, society and native communities work to sustain them in the new year?
- Popular Article2011One Earth,One Chance: Conserving a Connected WorldThe Hindu Magazine 5 June 2011, page 1 and 4.
World Environment Day on Sunday is an occasion to assess where we stand in making this planet a more liveable place for us and future generations. Wildlife scientists and conservation experts on the choices we can make today before it becomes too late... A consumer picking a product off a shelf has an immediate impact on distant species and natural ecosystems. And that link brings with it both an environmental peril and opportunity.
- Journal Article2011Agricultural intensification, rainfall patterns, and large waterbird breeding success in the extensively cultivated landscape of Uttar Pradesh, IndiaBiological Conservation 144: 3055-3063. doi:10.1016/j.biocon.2011.09.012
In countries with high human populations, using agricultural areas as multifunctional systems to produce food for humans and retain wildlife may be an efficient conservation strategy for many species. Inclusion of natural habitat and species requirements on agricultural landscapes explicitly into planning processes are precluded by lack of information on drivers of species persistence. Climate change is an additional emerging complexity, and adaptation plans for agricultural landscapes are biased towards intensification to secure long-range food production. I examine the conservation potential of an agricultural landscape in two districts of Uttar Pradesh, north India where agricultural intensification and altered rainfall patterns are predicted to occur. I assess stressors affecting breeding success over eight years of two large waterbirds of conservation concern – Sarus Cranes and Black-necked Storks. Both species had high breeding success that improved with total rainfall and more wetlands in breeding territories. Agricultural and township expansions deteriorated territory quality and reduced breeding success. Sarus Crane populations were predicted to decline relatively rapidly if development activities continued to displace breeding pairs. Black-necked Storks appeared resilient over the long-term notwithstanding reduced breeding success in low-rainfall years. Waterbird nesting habitats (wetlands and trees) were retained in Uttar Pradesh as community lands by villages and by state government via legal provisions suggesting the utility of multiple conservation approaches. Incorporating species requirements explicitly, alongside traditional land use practices conducive for habitat conservation, into adaptation planning and conservation policy will be necessary to retain long-term multifunctionality of such agricultural landscapes.
- Journal Article2011Moisture and nutrients determine the distribution and richness of India’s large herbivore species assemblageBasic and Applied Ecology 12(7): 634-642Download
PDF, 346 KB
The goal of this study was to test whether body-mass based foraging principles, guided by plant available moisture (PAM) and plant available nutrients (PAN), could explain large mammalian herbivore species distribution and richness in India. We tested (1) whether the occurrence of larger-bodied herbivore species increases with PAM, but is independent of PAN, (2) whether the occurrence of smaller-bodied herbivore species decreases with PAM, but increases with PAN, and (3) whether herbivore species richness is highest in areas with intermediate PAM and high PAN. We analyzed the distribution and richness of the 16 large (>10 kg) herbivore species found in sub-Himalayan mainland India. Since the distributions of large herbivores in India have been altered by historic human activity, we only used India's largest 76 protected areas as data points, with respect to PAM (log10(rainfall/potential evapotranspiration)), PAN (soil cation exchange capacity), elevation, tree cover, and fire frequency. Using regression and null models to analyze the data, we found positive relations between PAM and the occurrences of the larger-bodied species (elephant and gaur), and negative relations between PAM and the occurrences of smaller-bodied species (chinkara, four-horned antelope and blackbuck). We also found positive relations between the occurrence of the smaller-bodied species and PAN. Large herbivore species richness in India is highest in Kanha and Indravati, areas with high PAN and intermediate PAM. We found that elevation, tree cover and fire frequency were insignificant predictors of herbivore species richness, although elevation and tree cover explained the distribution of a few species. Based on our null model analyses results, we conclude that moisture and soil nutrients are important in determining large herbivore species distribution and richness in sub-Himalayan India.
- Popular Article2011வளங்குன்றா விவசாயமும் பல்லுயிர்ப் பாதுகாப்பும் (Sustainable Agriculture and Biodiversity Conservation)பூவுலகு. ஜூலை -ஆகஸ்ட் 2011 பக்கங்கள் 47-49/ Poovulagu. Jul-Aug, Pp 47-49.
வளங்குன்றா விவசாயமும் பல்லுயிர்ப் பாதுகாப்பும்.பூவுலகு. ஜூலை -ஆகஸ்ட் 2011 பக்கங்கள் 47-49. [Jeganathan, P. (2011). Valangundra Vivasayamum Pallyuir Pathugappum. Poovulagu. Jul-Aug, Pp 47-49.(Sustainable Agriculture and Biodiversity Conservation)]
- Poster2011Important Plants of the Nilgiri Rangessupported by Whitley Fund For NatureDownload
PDF, 18.4 MB
Nilgiri Biosphere Reserve, Wild Balsams,Impatiens, Nilgiri Wood Orchid, Calanthe Triplicata, Anaphalis Neelgheryana, Eulalia Phaeothrix, Disporum Leschenaulitanum, Cyathea milgiriensis, Hedyotis Verticillaris, Impatiens Levingei, Impatiens Scapiflora, Impatiens Acaulis, Nothapodytes Nimmoniana
- Popular Article2011Wild blames wildCare4NatureDownload
PDF, 2.66 MB
Impact of dog on red fox
- Popular Article2011Staying legal, staying reasonableDown To Earth, 15 November 2011
Full article accessible here