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The effects of surface water warming on nutrient limitation of phytoplankton in headwater lakes of the Hudson River

dc.contributor.authorRichardson, David
dc.contributor.authorWander, Heather L.
dc.date.accessioned2024-06-05T18:52:31Z
dc.date.available2024-06-05T18:52:31Z
dc.date.issued2018
dc.descriptionThis report was prepared for the New York State Water Resources Institute (WRI) and the Hudson River Estuary program of the New York State Department of Environmental Conservation, with support from the NYS Environmental Protection Funden_US
dc.description.abstractIn New York State, lake ecosystems provide drinking water, food, and recreation. However, lakes are susceptible to harmful indirect effects like climate change. Additionally, many lakes in New York State have been experiencing increasing nutrient loads, even those residing in protected lands. There continues to be debate surrounding which type of nutrient - nitrogen or phosphorus - is the primary determinant of productivity and is the cause of algal blooms. As a result, there is a critical need to understand the interactive effects between climate change and nutrient limitation of phytoplankton. To test this interaction, we used the ‘Sky Lakes’ located on the northern Shawangunk Ridge within managed lands. We surveyed three Sky Lakes to examine variability in trophic status. We used experimental incubations to determine nutrient limitation status of the study lakes. Finally, we used replicate experimental incubations to examine nutrient limitation under warming conditions. We found that all three lakes were colimited by both nitrogen and phosphorus. Under warming scenarios, nutrient limitation status stayed the same but the colimitation effect size increased. Local managers and governments need to consider both nitrogen and phosphorus management strategies for algal blooms, especially with a rapidly changing climate.en_US
dc.identifier.urihttps://hdl.handle.net/1813/115264
dc.language.isoen_US
dc.publisherNew York State Water Resources Instituteen_US
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectHREPen_US
dc.subjectSUNY New Paltzen_US
dc.subjectHudson Riveren_US
dc.subjectHarmful Algal Bloomsen_US
dc.subjectNitrogenen_US
dc.subjectPhosphorusen_US
dc.subjectClimatalogical Processesen_US
dc.titleThe effects of surface water warming on nutrient limitation of phytoplankton in headwater lakes of the Hudson Riveren_US
dc.typereporten_US

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