Plankton and Some Environmental Variables as a Water Quality Indicator for Saline Pools at the Western Red Sea (Saudi Arabia)Touliabah HE1,2*, Elbassat RA3,4, Tourk AJ1, Affan MA5, Hariri MS1, Hassanine RME1, Abdulwassi NIH6 and Almutairi AW1
- *Corresponding Author:
- Hussein Elsayed Touliabah
Biological Sciences Department
Rabigh-Faculty of Science & Arts
King Abdulaziz University
P.O. box 344, Rabigh 21911
E-mail: [email protected] hotmail.com
Received date: January 01, 2016; Accepted date: January 26, 2016; Published date: February 02, 2016
Citation: Touliabah HE, Elbassat RA, Tourk AJ, Affan MA, Hariri MS, et al. (2016) Plankton and Some Environmental Variables as a Water Quality Indicator for Saline Pools at the Eastern Red Sea (Saudi Arabia). J Coast Zone Manag 19:417. doi:10.4172/2473-3350.1000417
Copyright: © 2016 Touliabah HE, 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.
This study was carried out to determine the water quality of a series of micro-pools water, north Jeddah Corniche, by studying the environmental variables as well as phytoplankton abundance and community structure. Surface water samples were monitored from a series of pools over two seasons; spring (May) and autumn (November), 2013. The pools are shallow; saline to hypersaline showed salinity gradients from 40.0 to 63.0 PSU, pH values from 7.50 to 8.18; temperatures from 21.0 to 43.0°C; dissolved oxygen concentrations from 2.1-6.4 mgl-1. Nutrient concentrations were very high in spring. Nitrate ranged between 0.3 and 6.3 μM, nitrite between 0.1 and 1.2 μM, ammonia upto 16.7 μM, phosphate concentrations from 0.35 to 4.60 μM and silicate reached 20.86 μM.Species diversity (Shannon- Weaver, H) and evenness (J) were high and showed small-scale temporal and spatial variations. A total of 99 species of phytoplankton were recorded, showing a well-diversified taxonomy, belonging to 5 different classes. Cyanophyta dominating during spring while Bacillariophyta during autumn. The most representative class in terms of species richness was Bacillariophyta (46 species) while Cyanophyta and Pyrrophyta had 29 and 22 species, respectively. No significant differences were observed in phytoplankton population among pools. Positive correlation of Cyanophyta with NO2, NO3 and PO4. The Shannon-Wiener Diversity Index classified the pools water as being clean, whereas the WQI demonstrated that it was between ‘medium’ and ‘good’, which means beginning deterioration of the water quality. It can be concluded that, the index based on WQI is currently more suitable than the phytoplankton species index for assessing the quality of the pools water. We recommended to drilling several culverts for each pool to allow good water masses exchange between pools water and the Red Sea water.