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- Title
Natural range extension, sampling artifact, or human mediated translocations? Range limits of Northern type Semnopithecus entellus (Dufresne, 1797) (Primates: Cercopithecidae: Colobinae) in peninsular India.
- Authors
Nag, Krishnaswamy Sudarshan Chetan; Padmanabhan, Pramod; Karanth, Kota Praveen
- Abstract
The Semnopithecus entellus can be broadly classified into two morphotypes based on tail carriage, namely the northern and the southern types (NT & ST). The borderline between these morphotypes runs along the Tapti-Godavari rivers in peninsular India. However there have been anecdotal reports of rangeextension of NT in peninsular India. To investigate this scenario we undertook an intensive survey of S. entellus morphotypes along the borderline districts in the states ofGujarat, Maharashtra, Karnataka and Andhra Pradesh. The GPS coordinates of the two morphotypes were mapped using MapInfo professional software and the resulting map was compared with the map generated by Roonwal. Results indicate that NT S. entellus range limit fall further south of Roonwal’s borderline. This incongruence in NTs distribution between the present study and Roonwal’s might be due to natural range extension of NTs in some areas or a product of sampling artifact. Furthermore in parts of Andhra Pradesh and Karnataka human mediated translocations might have also contributed to this range extension.
- Subjects
INDIA; ANIMAL introduction; SEMNOPITHECUS entellus; COLOBINE monkeys; HABITATS
- Publication
Journal of Threatened Taxa, 2011, Vol 3, Issue 8, p2028
- ISSN
0974-7893
- Publication type
Article
- DOI
10.11609/JoTT.o2740.2028-32