From: Sharlynn Sweeney [mailto:[log in to unmask]]
Sent: Tuesday, March 26, 2019 2:54 PM
To: [log in to unmask]; [log in to unmask]; Angelini,Christine <[log in to unmask]>; Brown,Mark T <[log in to unmask]>; Kaplan, David A <[log in to unmask]>; Clark,Mark W <[log in to unmask]>; Andrew Altieri <[log in to unmask]>; Systems Ecology Listserv <[log in to unmask]>
Subject: Wed. March 27, W3 Seminar--Nutrients in urban stormwater runoff: Sources, transport mechanisms, and mitigation options - Mary Lusk, SWS


Please join us for the Water, Wetlands, and Watersheds Seminar

March 27, 11:45am-12:30pm, Phelps Lab 101

Nutrients in urban stormwater runoff: Sources, transport mechanisms, and mitigation options
Mary Lusk
Assistant Professor, Soil and Water Sciences, UF/IFAS
UF/IFAS Gulf Coast Research and Education Center

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Nonpoint source nutrient pollution from urban watersheds can be an important source of nitrogen (N) and phosphorus (P) to waterbodies. Excess N and P are drivers of water quality degradation through anthropogenic eutrophication and algal blooms. While eutrophication has long been an issue in Florida, severe outbreaks of both cyanobacteria and red tide algal blooms in 2018 have resulted in a flurry of activity in Florida to identify the watershed sources of N and P that may be proliferating the historic blooms. This presentation provides an overview of current nutrient management issues in Florida, the 2018 algal blooms, and the current state of the science on identifying sources of N and P in urban stormwater runoff. Though urban stormwater is just one source of nutrient loss from watersheds, it can often be half or more of nutrient loading to local waterbodies. Thus identifying the sources and transport mechanisms of stormwater nutrients can be a critical first step in urban nutrient management and improved water quality throughout Florida. This presentation also discusses common urban best management practices for nutrient management, including stormwater ponds, and reasons why ponds alone often fail to meet water quality improvement expectations.

Dr. Mary Lusk is an assistant professor in the Soil and Water Sciences Department at the Gulf Coast Research and Education Center in the Tampa Bay area. She focuses on nutrient management at community and residential scales, including residential stormwater best management practices. 

Please see our website for the seminar schedule and recordings of past seminars (

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Sharlynn Sweeney, MLIS, PhD
Communications Specialist / Program Coordinator
Howard T. Odum Center for Wetlands, Center for Environmental Policy
Engineering School of Sustainable Infrastructure & Environment (ESSIE)
University of Florida
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