Epiphyton Algae on Aquatic Macrophyte (Water Hyacinth) in a Tropical Lagoon and Their Possible Use as Indicator
International Journal of Environmental Monitoring and Analysis
Volume 3, Issue 6, December 2015, Pages: 404-410
Received: Oct. 26, 2015;
Accepted: Nov. 16, 2015;
Published: Dec. 7, 2015
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K. S. Effiong, Department of Marine Sciences, Faculty of Natural and Applied Sciences, University of Lagos, Akoka, Lagos, Nigeria
A. I. Inyang, Department of Marine Biology, Faculty of Natural and Applied Sciences, Akwa Ibom State University, Ikot Apaden, Nigeria
The epiphyton on aquatic macrophyte “Water hyacinth” and their possible use as indicator of environmental change in Yewa Lagoon, Nigeria were undertaken for six months (December, 2012- May, 2013), to know the health status of the environment and also identify pollution tolerant individual in the area. A total of 4710 individuals of 39 species belonging to 4 divisions were identified. A total of 4070 individuals (86.42%) represents Bacillariophyta division while 205 (4.35%), 255 (5.41%) and 180 (3.82%) individuals represent Chlorophyta, Cyanophyta and Euglenophyta respectively. Dissolved oxygen values range from 7.6mg/L to 2.8mg/L throughout the study period. Biochemical Oxygen Demand (BOD) varied between 7.0mg/L and 16.0mg/L. Transparency was highest (≤48.5cm) in dry months and lowest (≤28.0cm). Epiphyton biomass were higher in the dry months. The pennate diatoms dominated the whole algal community. The following ideal species were recorded and could be used as biomonitoring of organic contamination in the lagoon, these include; Gomphonema parvulum, Synedra acus, Surirella ovata and Pinnularia major, Pondorina morum, Trachelomonas hispida, Phacus longicuda and Euglena sp.
K. S. Effiong,
A. I. Inyang,
Epiphyton Algae on Aquatic Macrophyte (Water Hyacinth) in a Tropical Lagoon and Their Possible Use as Indicator, International Journal of Environmental Monitoring and Analysis.
Vol. 3, No. 6,
2015, pp. 404-410.
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