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Destruction of Wetlands Linked to Algal Blooms in Great Lakes

July 20, 2017 |

By Jeff Schmaltz (NASA Earth Observatory) [Public domain], via Wikimedia Commons

This article was originally published on Phys.Org

“Canada’s current wetland protection efforts have overlooked how the environment naturally protects fresh-water resources from agricultural fertilizer contaminants, researchers from the University of Waterloo have found.

In a recent study, engineering researchers at Waterloo found that small  have a more significant role to play than larger ones in preventing  like nitrogen and phosphorus from fertilizer from reaching waterbodies such as the Great Lakes. Excess nutrients are a primary cause of algal blooms, which have a number of impacts, including impairing drinking water quality, robbing aquatic life of needed oxygen and closing beaches to swimming.

“With agriculture and urbanization, Canada has lost a huge portion of its wetlands, which have had a number of environmental impacts,” said Nandita Basu, an associate professor of civil and . “While we have made some progress in protecting larger wetlands that act as habitat for wildlife, we have been less successful in protecting smaller ones that continue to be removed to make way for things such as new housing subdivisions. “What is often not appreciated is that different wetlands serve different purposes.”…”

Read on at: Phys.Org.

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