alexa Biodiversity and Abundance of Phytoplankton from Muthupettai Mangrove Region, South East Coast of India
ISSN: 2155-9546

Journal of Aquaculture Research & Development
Open Access

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Research Article

Biodiversity and Abundance of Phytoplankton from Muthupettai Mangrove Region, South East Coast of India

Varadharajan D* and Soundarapandian P

Faculty of Marine Science, Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai-608 502, Tamil Nadu, India

*Corresponding Author:
Varadharajan D
Faculty of Marine Science
Center of Advanced Study in Marine Biology
Annamalai University, Parangipettai-608 502
Tamil Nadu, India
Tel: 04144-243223
Fax:
04144-243553
E-mail:
[email protected]

Received Date: June 20, 2015; Accepted Date: August 25, 2015; Published Date: December 15, 2015

Citation: Varadharajan D, Soundarapandian P (2015) Biodiversity and Abundance of Phytoplankton from Muthupettai Mangrove Region, South East Coast of India. J Aquac Res Development 6:383. doi:10.4172/2155-9546.1000383

Copyright: © 2015 Varadharajan D, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Phytoplanktons are of great ecological worth since they comprise the major portion of primary producers in the marine environment. In the present study, a total of 95 species of phytoplankton were recorded from both the stations, of which, station I recorded 87 species and station II recorded 76 species. The phytoplankton species are maximum were observed in station I and minimum were observed station II. The phytoplankton recorded with the present study was belongings to families Coscinodisceae (17) > Ceratiaceae (12) > Chaetoceraceae (11) > Biddulphoidae (9) > Naviculaceae (9) > Triceratiinae (6) > Solenoidae (6) > Fragilariaceae (5) > Dinophyceae (5) > Cyanophyceae (4) > Euodicidae (3) > Eucambiinae (2) > Prorocentraceae (2) > Triadiniaceae (2) > Isthiminae (1) > Gonyaulacaceae (1). The percentage contribution of phytoplankton families at two different station was in a decrease order as given below: Coscinodisceae (17.89%) >Ceratiaceae (12.63%) > Chaetoceraceae (11.57%) > Biddulphoidae (9.47%) > Naviculaceae (9.47%) > Triceratiinae (6.31%) > Solenoidae (6.31%) >Fragilariaceae (5.26%) > Dinophyceae (5.26%) > Cyanophyceae (4.21%) >Euodicidae (3.15%) > Eucambiinae (2.10%) > Prorocentraceae (2.10%) > Triadiniaceae (2.10%) > Isthiminae (1.05%) > Gonyaulacaceae (1.05%). The data analysis in Margalef’s species richness (d’), Shannon-Weiner diversity function (H’), Pielou’s evenness (J’) and Simpson’s dominance (1-λ’) was used to reflect the underlying changes in physical and chemical properties of phytoplankton species. The species richness and diversity of phytoplankton at three sampling stations were determined using Pielous evenness were highest at the station I (0.9215) and lowest at the station II (0.8340). Both Margalef’s diversity and richness were highest at the stations 1 (4.2157 and 5.3810) and lowest at the station II (4.1452 and 5.1073). Both Shannon and Simpson indices were highest at the stations I (4.3261 and 0.9175) and lowest at the station II (4.2958 and 0.9051).

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