Journal of Marine Biology & Oceanography ISSN: 2324-8661

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Research Article, J Mar Biol Oceanogr Vol: 3 Issue: 3

Nutrient - Characteristics, Stoichiometry and Response Stimulus of Phytoplankton Biomass along the Southwest Coastal Waters of India

Udaya Kumar P1*, Chandran A2, Jean Jose J1, Shibu R1 and Anoop Krishnan K1
1Chemistry and Marine Biology Laboratory, Chemical Sciences Division, Centre for Earth Science Studies, Thiruvananthapuram-31 Kerala, India
2University College of Applied Life Sciences, Mahatma Gandhi University Regional Centre, Pathanamthitta-45, Kerala, India
Corresponding author : Udaya Kumar P
Chemistry and Marine Biology Laboratory, Chemical Sciences Division, Centre for Earth Science Studies, Thiruvananthapuram-31 Kerala, India
Tel: +91-471-2511698; Fax: 0471-2442280
E-mail: [email protected]
Received: October 14, 2013 Accepted: May 19, 2014 Published: May 26, 2014
Citation: Udaya Kumar P, Chandran A , Jose J J, Shibu R, Anoop Krishnan K (2014) Nutrient - Characteristics, Stoichiometry and Response Stimulus of Phytoplankton Biomass along the Southwest Coastal Waters of India. J Mar Biol Oceanogr 3:3. doi:10.4172/2324-8661.1000129

Abstract

Nutrient - Characteristics, Stoichiometry and Response Stimulus of Phytoplankton Biomass along the Southwest Coastal Waters of India

The study was aimed at how anthropogenic influences have shaped the nutrient dynamics and phytoplankton biomass in the coastal waters of southwest India. Coastal surface water samples were collected seasonally, from five transects in the southwest coast of India during the year 2008. The samples were analyzed for physical, chemical and biological parameters. Significant seasonal and spatial variation was observed in the hydrographic characteristics. Among the nutrients; dissolved Inorganic phosphate concentration was higher than dissolved inorganic nitrogen forms leading to N: P ratios of an average of less than 10, while Si: N ratios were greater than unity indicating that Si(OH)4 is not a limiting nutrient in the surface coastal water.

Keywords: Nutrients; Monitoring; Anthropogenic inflow; Diatoms; Primary production; Southwest coastal water; Multivariate analysis

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