News archive - July 2020

Saturday, July 25, 2020

New paper examines the changes in sedimentary phosphorus burial following artificial fertilization of Lake 227 in the Experimental lakes Area

Over the past 50 years, phosphorus (P) has been added each year to Lake 227, making it the world’s longest experiment in P fertilization. Located in Canada’s Experimental Lakes Area, Lake 227 conclusively demonstrated that excess phosphate in lakes causes algal blooms, in turn leading to worldwide bans on phosphates in detergents, improvements in wastewater P removal, and reductions in fertilizer applications. A key question, however, is: Where did the P added to Lake 227 end up? This is where David O’Connell and Philippe Van Cappellen of the Ecohydrology Research Group, together with colleagues from Canada, Netherlands, and USA, turned to examining phosphorus in the sediments accumulating at the bottom of the lake.  

Friday, July 17, 2020

New paper co-authored by ERG researchers published in Chemosphere

Yuki Audette, Chris Parsons, Fereidoun Rezanezhad and Phillippe Van Cappellen of the Ecohydrology Research Group co-authored a paper titled “Phosphorus binding to soil organic matter via ternary complexes with calcium”, which was recently published in Chemosphere.

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