Abstract
Algae play an important role in all aquatic ecosystems by providing all living organisms of water bodies with preliminary nutrients and energy required. However, abnormal and excessive algal growth so-called algal bloom would be detrimental as much. Given the importance of algae in aquatic environment as well as their sensitivity to environmental changes, algal measurements are of key components of water quality monitoring programs. The algal blooms could include a variety of adverse impacts on environmental, social, cultural and economic environments. The present study is an overview on the algal growth, its mechanisms and mitigating strategies in aquatic ecosystems whereas in spite of the growing knowledge of human being of ecological, physiological, and functional conditions of eutrophication, a systematic understanding of algal blooms is still lacking.
Highlights
All algae are not green and could be observed in a range of colors depending on the dominant pigment in their cells (Imamura et al 2013)
Due to the growing concern about the nuisance algal growth in most lakes and water bodies it is of great importance to discover mechanisms for prevention, prediction and limitation of algal growth
The best way to restrict algal growth is to limit the amount of nutrients discharging into the lakes and water bodies
Summary
All algae are not green and could be observed in a range of colors depending on the dominant pigment in their cells (Imamura et al 2013). From the late summer and fall, the stored nutrients in the lake are mixed in the water column and a fresh supply of nutrients is produced This let the algal population for seasonal re-blooming. Simpson in 1991 declared that since algae are a strong indicator for environmental changes, in most of the monitoring programs, the algal concentrations are measured to determine changes in water quality.Algal and green plants require green pigments of chlorophyll a for photosynthesis. The volunteers suggested double measurements of the Secchi depth and determined a water sample as the representative of the water column Another limitation of this method is that the numbers of algal species have naturally a higher level of chlorophyll a than other algal species. Atlantic were exposed to neurotoxin with high level of zooplankton pollution (Green et al 2001)
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