CatchmentCARE Week - Recovery and Remediation of Eutrophic Lakes

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This webinar outlines the recovery and remediation work being carried out by CatchmentCARE in eutrophic lakes in Ireland's border region.

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Many of the thousands of lakes on the island of Ireland are located along the border region. These are valuable resources for wildlife habitat, amenity use and drinking water, but many are impacted by long histories of eutrophication from diffuse and point sources. The lakes work undertaken by the CatchmentCARE project seeks to answer two important questions.

First, in the absence of pollution from catchment sources, how long would it take for us to see improvements to an acceptable status in lake systems? Here, Dr Julie Campbell will outline work in the Lough Macneans using sediment chemistry and environmental data to estimate recovery times.

Second, can we find a way to speed up this recovery by decreasing pollutants in lake water through chemical amendments? Prof Brian Rippey will present a decision making and planning process in preparation for this work in small lakes in border areas.

“Recovery and Remediation of Eutrophic Lakes” is one of six webinars organised as part of CatchmentCARE Week that explore integrated approaches to the protection, improvement and sustainable management of our water environment.

“Recovery and Remediation of Eutrophic Lakes”

Wednesday 19th May 2021

11.00 Welcome from CatchmentCARE Project - Prof Phil Jordan, Ulster University (UU).

11.05 Introduction from Session Chair, Dr Richard Douglas, UU.

11.10 “Investigating Challenges of Shallow Lake Systems to Attain “Good” Water Quality Status: Case Study of Upper and Lower Lough Macnean”, Dr Julie Campbell, UU.

11.30 “Possibilities for using metal salts to improve the nutrient status of small rural lakes in Ireland” Professor Brian Rippey, UU.

11.50 Q&A

12.10 Wrap up/ Close Session - Session Chair, Prof Phil Jordan.

Speaker Profiles

Dr Julie Campbell. Julie completed her PhD on “Assessing Phosphorus Mitigation Strategies in Agricultural Catchments” in 2013. Since then, Julie has worked on a range of nutrient related projects, including “DisEnTangling the Impacts of Multiple Stressors on the Ecology of waTerbodies” (DETECT) and is currently part of the research team working on the CatchmentCARE project.

Professor Brian Rippey. Brian completed a BSc in Chemistry over 40 years ago, since then he has worked in academia on a multitude of freshwater projects. Brian’s 1985 Nature publication on acid rain in lakes was one of the first papers to define the link between acid precipitation and lake acidification. Though retired from day to day academia, Brian is still heavily involved in lake research, and is a key member of Ulster’s CatchmentCARE team.

About CatchmentCARE

CatchmentCARE (Community Actions for Resilient Eco-systems) is an INTERREG VA EU-funded project which aims to improve freshwater quality in cross-border river basins across three cross-border catchments. This is being done through the development of three water quality improvement projects in the Finn, Blackwater and Arney catchments and the installation of 50 groundwater monitoring stations across the region to better understand groundwater in the cross-border catchments and the interaction between groundwater & surface water bodies.

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