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Monitoring algal bloom through relationships between Chlorophyll α and Phytoplankton

Du, SI, Huang, SL, Pan, HC, Zang, CJ, Wu, M, Lin, C, Guo, Y, Gao, F and Scholz, M 2014, 'Monitoring algal bloom through relationships between Chlorophyll α and Phytoplankton' , Environmental Engineering and Management Journal, 13 (4) , pp. 805-815.

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Algal blooms in reservoirs used for both fish and drinking water production are a major water quality problem. The authors assessed data gathered from both published literature and from their own field enclosure experiments to analyze the relationships of phytoplankton chlorophyll α concentrations with biomass and algal cell count. Experimental data were collected from indoor locations, field enclosures, and natural water bodies. Under laboratory conditions, where the types of algae and the nutrients provided were well controlled, a significant positive correlation between chlorophyll α and biomass was found out in all cases except when the dominant species changed considerably. Field enclosure experiments, with higher biodiversity but allowing control over nutrients, also showed significant correlations between chlorophyll α concentration and biomass. However, complex natural water bodies showed either positive or no correlation depending on the particular conditions. Under all three sets of conditions, the cell count of algae showed significant correlations with chlorophyll α concentrations if a single species was cultured alone or if it became the overwhelmingly dominant species in the field studies. If the dominant species changed during the course of the experiment, sometimes a positive correlation was observed but often there was no strong correlation between chlorophyll α and biomass. The research indicates that phytoplankton chlorophyll α may be used as an indicator for monitoring algal blooms in reservoirs. However, this study underlines the limits of its use.

Item Type: Article
Themes: Built and Human Environment
Schools: Schools > School of Computing, Science and Engineering
Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
Journal or Publication Title: Environmental Engineering and Management Journal
Refereed: Yes
ISSN: 1582-9596
Related URLs:
Funders: Funder not known
Depositing User: B Li
Date Deposited: 02 Feb 2015 14:27
Last Modified: 29 Oct 2015 00:18

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