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Journal of Biosciences

, Volume 32, Issue 4, pp 781–790 | Cite as

Patterns of species discovery in the Western Ghats, a megadiversity hot spot in India

  • N. A. Aravind
  • B. Tambat
  • G. Ravikanth
  • K. N. Ganeshaiah
  • R. Uma ShaankerEmail author
Article

Abstract

Even since Linnaeus, naturalists and taxonomists have been systematically describing species new to science. Besides indicating gaps in taxonomic effort, understanding the temporal patterns of species discovery could help in identifying drivers that determine discovery. In this study we report the patterns of discovery of eight taxa — birds, butterflies, frogs, tiger beetles, grasses, asters, ferns and orchids — in the Western Ghats, a megadiversity centre in India. Our results indicate that the discovery curves for birds and butterflies have been saturated while those for frogs and grasses continue to increase. Within each taxon, the major drivers of discovery were commonness of the species and their size. The average years taken for discovery across taxa were directly related to the per cent endemicity and species richness of the taxa. We discuss the trajectories of discovery with respect to rarity or endemicity of the species and life history features, and the implications these might have for strategizing the discovery process in India.

Keywords

Endemic species hot spot species discovery Western Ghats 

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References

  1. Acciavatti R E and Pearson D L 1989 The tiger beetle genus Cicindela (Coleoptera, Insecta) from Indian subcontinent; Annals of Carnegie Museum 58 77–353Google Scholar
  2. Ali S and Ripley S D 1983 Handbook of the birds of India and Pakistan (compact edition). (Bombay: Oxford University Press and BNHS)Google Scholar
  3. Allsopp P G 1997 Probability of describing an Australian scarab beetle: influence of body size and distribution; J. Biogeogr. 24 717–724CrossRefGoogle Scholar
  4. Aravind N A 2005 Ecology of land snails of Western Ghats, Ph.D dissertation, Mangalore University, Mangalore, IndiaGoogle Scholar
  5. Aravind N A, Ganeshaiah K N and Uma Shaanker R 2004 Croak, croak, croak: are there more frogs to be discovered in Western Ghats? Curr. Sci. 86 1471–1472Google Scholar
  6. Bhatta G K and Prashanth P 2004 Gegeneophis nadkarnii — a caecilian (Amphibia: Gymnophiona: Caeciliidae) from Bondla Wildlife Sanctuary, Western Ghats. Curr. Sci. 87 388–392Google Scholar
  7. Bhatta G K and Srinivasa R 2004 A new species of Gegeneophis Peters (Amphibia: Gymnophiona: Caeciliidae) from the surroundings of Mookambika Wildlife Sanctuary, Karnataka, India; Zootaxa 644 1–8Google Scholar
  8. Biju S D 2001 A synopsis of frog fauna of Western Ghats of India (Tiruvananthapuram: ISCB, TBGRI, Occasional publication 201)Google Scholar
  9. Biju S D and Bossuyt F 2003 New frog family from India reveals an ancient biogeographical link with the Seychelles; Nature 425 711–714PubMedCrossRefGoogle Scholar
  10. Bingham C T 1905 The fauna of British India including Ceylon and Burma — Butterflies Vol. I (London: Taylor and Francis)Google Scholar
  11. Bingham C T 1907 The fauna of British India including Ceylon and Burma — Butterflies Vol. II (London: Taylor and Francis)Google Scholar
  12. Blackburn T M and Gaston K J 1995 What determines the probability of discovering a species? A study of South American oscine passerine birds; J. Biogeogr. 22 7–14CrossRefGoogle Scholar
  13. Blackburn T M, Brown V K, Doube B M, Greenwood J J D, Lawton J H and Stork N K 1993 The relationship between body size and abundance in natural animal assemblages; J. Anim. Ecol. 62 519–528CrossRefGoogle Scholar
  14. Bor N L 1960 The grasses of Burma, Ceylon, India and Pakistan (London: Pergamon Press)Google Scholar
  15. Chanda S K 2002 Handbook of amphibians of India (Calcutta: Zoological Survey of India)Google Scholar
  16. Dasappa and Swaminath M H 1999 A new species of Semecarpus (Anacardiaceae) from the Myristica swamps of the Western Ghats of North Kanara, Karnataka, India; Indian Forester 126 78–82Google Scholar
  17. Diamond J M 1985 How many species are yet to be discovered?; Nature 315 538–539CrossRefGoogle Scholar
  18. Drury W H 1974 Rare species; Biol. Conserv. 6 162–169CrossRefGoogle Scholar
  19. Drury W H 1980 Rare species of plants; Rhodora 82 3–48Google Scholar
  20. Dubois A, Ohler A and Biju S D 2001 A new genus and species of Ranidae (Amphibia, Anura) from south-western India; Alytes 19 53–79Google Scholar
  21. Dutta S K, Vasudevan K, Chaitra M S, Shanker K and Aggarwal R K 2004 Jurassic frogs and the evolution of amphibian endemism in the Western Ghats; Curr. Sci. 86 211–216Google Scholar
  22. Finney D J 1964 Probit analysis: statistical treatment of the sigmoid response curve (London: Cambridge University Press)Google Scholar
  23. Gaston K J 1991a Body size and probability of description: the beetle fauna of Britain; Ecol. Entomol. 16 505–508Google Scholar
  24. Gaston K J 1991b How large is a species geographic range? Oikos 61 434–438CrossRefGoogle Scholar
  25. Gaston K J and Blackburn T M 1994 Are newly described bird species small bodied? Biodiv. Lett. 2 16–20CrossRefGoogle Scholar
  26. Gaston K J and May R M 1992 The taxonomy of taxonomists; Nature 356 281–282CrossRefGoogle Scholar
  27. Gaston K J, Blackburn T M and Loder N 1995a Which species are described first? The case of North American butterflies; Biodiv. Conserv. 4 119–127CrossRefGoogle Scholar
  28. Gaston K J, Scoble M J and Crook A 1995b Patterns in species description: a case study using Geometridae (Lepidoptera); Biol. J. Linn. Soc. 55 225–237CrossRefGoogle Scholar
  29. Giri V, Wilkinson M and Gower D J 2003 A new species of Gegeneophis (Amphibia: Gymnophiona: Caeciliidae) from southern Maharashtra, India, with a key to the species of the genus; Zootaxa 351 1–10Google Scholar
  30. Giri V, Wilkinson M and Gower D J 2004 A new species of Indotyphlus (Amphibia: Gymnophiona: Caeciliidae) from the Western Ghats, India; Zootaxa 739 1–19Google Scholar
  31. Gower D J, Bhatta G, Giri V, Oommen O V, Ravichandran M S and Wilkinson M 2004 Biodiversity in the Western Ghats: the discovery of new species of caecilian amphibians; Curr. Sci. 87 739–740Google Scholar
  32. Grimmett R, Inskipp C and Inskipp T 1999 Birds of Indian subcontinent (London: Oxford University Press)Google Scholar
  33. Keshava Murthy K R and Yoganarasimhan S N 1990 Flora of Coorg (Kodagu) Karnataka, India: with data on medicinal plants and chemical constituents (Bangalore: VIMSAT Publishers).Google Scholar
  34. Krishnamurthy S V, Manjunatha Reddy A H and Gururaja K V 2001 New species of genus Nyctibatrachus (Boulenger) from Kudremukh National Park; Curr. Sci. 80 887–891Google Scholar
  35. Mayr E 1963 Animal species and evolution, (Cambridge, MA: The Belknap Press of Harvard University Press)Google Scholar
  36. Moore F 1893–1896 Lepidoptera Indica Vol. 1–10 (London: Francis Taylor).Google Scholar
  37. Nayar B K and Geevarghese 1989 Fern flora of Malabar (New Delhi: Indus Publishing Co).Google Scholar
  38. Patterson B D 1994 Accumulating knowledge on the dimensions of biodiversity: systematic perspectives on neotropical mammals; Biodiv. Lett. 2 79–86CrossRefGoogle Scholar
  39. Rajagopal P K and Bhat K G 1998 Pteridophytic flora of Karnataka State, India; Indian Fern J. 15 1–28Google Scholar
  40. Ramachandran V S and Nair V J 1988 Flora of Cannanore (Calcutta: Botanical Survey of India) pp 238–259Google Scholar
  41. Rao A T 1998 Conservation of wild orchids of Kodagu in the Western Ghats (Bangalore: Karnataka association for advancement of science)Google Scholar
  42. Ravichandran M S, Gower D J and Wilkinson M 2003 A new species of Gegeneophis peters (Amphibia: Gymnophiona: Caeciliidae) from Maharashtra, India; Zootaxa 350 1–8Google Scholar
  43. Reed R N and Boback S M 2002 Does body size predict dates of species description among North American and Australian reptiles and amphibians? Global Ecol. Biogeogr. 11 41–47CrossRefGoogle Scholar
  44. Talbot G 1939 The fauna of British India including Ceylon and Burma — Butterflies, Vol. I (London: Taylor and Francis)Google Scholar
  45. Talbot G 1947 The fauna of British India including Ceylon and Burma — Butterflies, Vol. II (London: Taylor and Francis)Google Scholar
  46. Tangley L 1984 Protecting the “insignificant”; BioScience 34 406–409Google Scholar
  47. Vajravelu E 1990 Flora of Palghat District, including Silent Valley national park, Kerala (Calcutta: Botanical Survey of India) pp 245–260Google Scholar
  48. Vuilleumier F, LeCroy M and Mayr E 1992 New species of birds described from 1981 to 1990; Bull. Brit. Orn. Club Centenary Supplement 122A 267–309Google Scholar
  49. Williams P H 1998 An annotated checklist of bumble bees with an analysis of patterns of description (Hymenoptera: Apidae, Bombini); Bull. Nat. Hist. Mus.(Entomology) 67 79–152Google Scholar
  50. Wynter-Blyth M A 1957 Butterflies of the Indian Region (Bombay: Bombay Natural History Society)Google Scholar
  51. Zacharias M and Priyadarsanan D R 2004a Discothyrea sringerensis (Hymenoptera: Formicidae) a new ant species from India; Zootaxa 484 1–4Google Scholar
  52. Zacharias M and Priyadarsanan D R 2004b Vombisidris humboldticola (Hymenoptera: Formicidae) a new arboreal ant species from an Indian ant plant; Curr. Sci. 87 1337–1338Google Scholar
  53. Zar J H 1999 Biostatistical analysis, 4th ed. (New Jersey: Prentice Hall)Google Scholar

Copyright information

© Indian Academy of Sciences 2007

Authors and Affiliations

  • N. A. Aravind
    • 1
  • B. Tambat
    • 2
  • G. Ravikanth
    • 1
  • K. N. Ganeshaiah
    • 1
    • 3
    • 4
  • R. Uma Shaanker
    • 1
    • 2
    • 4
    Email author
  1. 1.Ashoka Trust for Research in Ecology and the Environment (ATREE)Hebbal, BangaloreIndia
  2. 2.Department of Crop PhysiologyUniversity of Agricultural Sciences, GKVKBangaloreIndia
  3. 3.Department of Genetics and Plant BreedingUniversity of Agricultural Sciences, GKVKBangaloreIndia
  4. 4.Jawaharlal Nehru Centre for Advanced Scientific ResearchJakkur, BangaloreIndia

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