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

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• 作者：N. A. Aravind ; B. Tambat ; G. Ravikanth ; K. N. Ganeshaiah&#8230
• 关键词：Endemic species ; hot spot ; species discovery ; Western Ghats
• 刊名：Journal of Biosciences
• 出版年：2007
• 出版时间：June 2007
• 年：2007
• 卷：32
• 期：4
• 页码：781-790
• 全文大小：191KB
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• 作者单位：N. A. Aravind (1)
  B. Tambat (2)
  G. Ravikanth (1)
  K. N. Ganeshaiah (1) (3) (4)
  R. Uma Shaanker (1) (2) (4)
  
  1. Ashoka Trust for Research in Ecology and the Environment (ATREE), # 659 5th A Main, Hebbal, Bangalore, 560 024, India
  2. Department of Crop Physiology, University of Agricultural Sciences, GKVK, Bangalore, 560 065, India
  3. Department of Genetics and Plant Breeding, University of Agricultural Sciences, GKVK, Bangalore, 560 065, India
  4. Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore, 560 064, India
  
• 刊物类别：Life Sciences, general; Biomedicine general; Zoology; Plant Sciences; Microbiology; Cell Biology;
• 刊物主题：Life Sciences, general; Biomedicine general; Zoology; Plant Sciences; Microbiology; Cell Biology;
• 出版者：Springer India
• ISSN：0973-7138

文摘

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 鈥?birds, butterflies, frogs, tiger beetles, grasses, asters, ferns and orchids 鈥?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