POPULATION AND FORAGING ECOLOGY OF NILGIRI LANGUR (Trachypithecus johnii) IN RANNI DIVISION OF PATHANAMTHITTA, KERALA

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dc.contributor.advisorAbdul Azeez C.P
dc.contributor.authorDEVAPRIYA DILEEP
dc.date.accessioned2020-07-23T06:54:37Z
dc.date.available2020-07-23T06:54:37Z
dc.date.issued2017
dc.description.abstractNilgiri langur (Trachypithicus johnii) (Fischer, 1829), black leaf monkey is an endangered species (Tikadar, 1983) and it is endemic to the rainforests of the Western Ghats of India. The present study mainly focused on the population estimation and foraging ecology of Nilgiri langur in Ranni division of pathanamthitta, Kerala. Field sampling was carried out June to August. Four sampling sites were selected for the study based on the presence of langur. Observations were made by line transect method. Estimated group density of langur in the study area was 0.52/km2 with mean group size of 6.75±1.93. Estimated individual density of langur was 3.5±1.01/km2 . A total of four sightings of Nilgiri langur the adult females were reported highest. Adult male and female sex ratio was 1:2.5. Sex ratio in sub adult was 1:1.6. The study indicate that the langur spent most of the time for feeding followed by moving and resting 24.9 per cent and 24.5 per cent respectively. Social interactions such as grooming, vocalization and playing were observed with 6.1 per cent 6.1 per cent and 3.4 per cent respectively. Lesser proportion of time spent on vigilance. The per cent time spent on foraging was highest in the morning with peak foraging was observed during seven and eight hrs. There was smaller peak in the evening hours. Nilgiri langur observed to forage on 25 plant species in the Ranni Reserve forest. They foraged mainly on leaves of 84 per cent of plant species.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810149677
dc.keywordsPOPULATION FORAGING ECOLOGY NILGIRI LANGUR (Trachypithecus johnii) RANNI DIVISION PATHANAMTHITTA, KERALAen_US
dc.language.isoenen_US
dc.pages37en_US
dc.publisherCOLLEGE OF VETERINARY AND ANIMAL SCIENCES, POOKODE WAYANADen_US
dc.research.problemPOPULATION AND FORAGING ECOLOGY OF NILGIRI LANGUR (Trachypithecus johnii) IN RANNI DIVISION OF PATHANAMTHITTA, KERALAen_US
dc.subWildlife Managementen_US
dc.subjectnullen_US
dc.themePOPULATION AND FORAGING ECOLOGY OF NILGIRI LANGUR (Trachypithecus johnii) IN RANNI DIVISION OF PATHANAMTHITTA, KERALAen_US
dc.these.typeM.Scen_US
dc.titlePOPULATION AND FORAGING ECOLOGY OF NILGIRI LANGUR (Trachypithecus johnii) IN RANNI DIVISION OF PATHANAMTHITTA, KERALAen_US
dc.typeThesisen_US
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