When algae receive enough sunlight, they produce oxygen through photosynthesis and release it in the water. Eutrophication, or the lack of oxygen resulting from this harmful excess nitrogen, will create “dead zones” that kill plants, fish, and other living organisms. Eutrophication • Natural water bodies and ponds have been severely altered by the chronic exposure to pollutants, especially nutrients and getting eutrophied. 2002 – Harmful Algal Blooms and Eutrophication • Heisler et. The chemicals make their way into bodies of water where they cause algal and plant blooms, hence eutrophication. Hamilton’s Public Health Service has confirmed that algae bloom … 2. Algal blooms are natural phenomena that occurred before human development in response to changes in temperature, light, rainfall, or changes in limiting nutrients. As more nutrients drain into the water, eutrophication repeats in a vicious algal bloom cycle and releases more nutrients in the water.. EUTROPHICATION AND ALGAE BLOOMS IN THE LAKES OF CANADA. It forms toxic algal blooms which can deplete oxygen and interfere with the photosynthesis process. Algal blooms are dense layers of tiny green plants that occur on the surface of lakes and other bodies of water when there is an overabundance of nutrients (primarily phosphorus) on which algae depend. It reduces the transparency and navigation in the water which lessens the recreational values and opportunities of the lakes, especially for boating and swimming. The Curonian Lagoon is a hypereutrophic water body beset with two major problems: eutrophication and algal blooms. Controlling eutrophication: nitrogen and phosphorus. Science, vol 123: 1014-1015. The algae inside waterways feed on this excess nitrogen and phosphorus. al., 2008 – Eutrophication and harmful algal blooms: A scientific consensus • Conley et al., 2009. Algal Blooms Phosphorous, nitrogen, and other nutrients increase the … The Curonian Lagoon is the largest coastal lagoon of the Baltic Sea. Increased biomass of phytoplankton, especially in the form of algal blooms is one of the most prominent effects of eutrophication. What are algal blooms? 71 - 84 CrossRef View Record in Scopus Google Scholar Eutrophication and occurrences of harmful algal blooms in the Seto Inland Sea, Japan Plankton Benthos Res. Eutrophication resulting from nutrient-rich sediment, wastewater, and fertilizers causes algal blooms that are harmful to the environment and to humans. When sewage runs into waterways the decomposers in the waste use the oxygen in the water and this also leads to eutrophication. First things first. This effect is called eutrophication. Algal blooms and oxygen depletion. It’s critical to our global water quality that we stop the excessive nutrients from reaching water sources. , 1 ( 2 ) ( 2006 ) , pp. The blooms also result in the reduction of water clarity and a decrease in water quality. Red Tides • Anderson et al. The algal blooms might even develop toxic strains of cyanobacteria which harm both aquatic organisms as well as humans. As algae begin to form, it blocks sunlight from entering the bottom of ponds, lakes, and rivers. Dead zones result from these impacts, which include algal blooms and hypoxia. The main problem of eutrophication is the algal blooms and other aquatic plants that float on an extensive area of the water surface. Some lakes in Ontario are also suffering from this problem. Eutrophication and the Environment The eutrophication process has severe environmental impacts. According to one weather network, majority of lakes in Canada is suffering from Blue-Green algae. 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