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Selvamony Sukumaran

  • Biodiversity Journal, 4 (3): 395-398

    Selvamony Sukumaran, Subbiah Karuppusamy, Thankappan Sarasabai Shynin Brintha & Solomon Jeeva
    New distribution record of Boucerosia diffusa Wight (Gentianales Apocynaceae) in the Southern Western Ghats, India

    ABSTRACT
    The presence of Boucerosia diffusa Wight (Gentianales Apocynaceae) in the foothills of Southern Western Ghats at Pechiparai, Kanyakumari Wildlife Sanctuary (India) is reported. This succulent asclepiad is frequently treated as Caralluma diffusa (Wight) N.E.Br. by many researchers. Present paper is the first record of the occurrence of this species in Kanyakumari Wildlife Sanctuary and the second in the southern Western Ghats.

  • Biodiversity Journal, 4 (1): 105-110

    Cosman Domettila, Thankappan Sarasabai Shynin Brintha, Selvamony Sukumaran & Solomon Jeeva
    Diversity and distribution of seaweeds in the Muttom coastal waters, south-west coast of India

    ABSTRACT
    Seaweeds are found in the coastal region between high and low tide, and in the sub-tidal region up to a depth where 0.01% photosynthetic light is available. Plant pigments, light, exposure, depth, temperature, tides and the characteristics of the shore combine to create different environments that determine the distribution and variety of seaweeds. The present study was conducted at Muttom, formed of different inter-tidal rock shores with rich algal vegetation. During the study period (January to December 2011), a total of 38 species of seaweeds were recorded. Among them, Ulva fasciata and U. lactuca (green algae); Sargassum wightii, S. duplicata and Padina tetrastomatica (brown algae); Gracilaria corticata and G. pygmaea (red algae), were present throughout the study period.