Effect of temperature on the population of Emerita asiatica (H. Milne Edwards, 1837) in the Kovalam beach, East coast, Tamilnadu, India
Journal Title: Indian Journal of Pharmaceutical and Biological Research - Year 2014, Vol 2, Issue 2
Abstract
Effect of temperature on the population of sand crab, Emerita asiatica was studied. Specimens were collected once in a fort night from April 2012 to March 2013 by hand picking method in the intertidal region of Kovalam beach. The temperatures of atmosphere, sea water and wet sand were recorded once in a fortnight. The population presented a smaller incidence of males in relation to females (54.79:45.21); however in September 2012 an inverse pattern occurred (29.50:70.50). Ovigerous females were present in all samples with greater frequencies in September and October 2012 where as the highest juveniles were present in May and August 2012.
Authors and Affiliations
J. Sivakumar| PG & Research Department of Microbiology, Hindustan College of Arts & Science, Padur, Kelambakkam, Chennai, India, B. Nappinai| Department of Advanced Zoology & Biotechnology, Guru Nanak College, Velachery, Chennai, India, J. Jayanthi| Department of Advanced Zoology & Biotechnology, Guru Nanak College, Velachery, Chennai, India, M. G. Ragunathan| Department of Advanced Zoology & Biotechnology, Guru Nanak College, Velachery, Chennai, India
Keywords
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