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Recent ecological change in ancient lakes

Hampton, Stephanie E.; McGowan, Suzanne; Ozersky, Ted; Virdis, Salvatore G. P.; Vu, Tuong Thuy; Spanbauer, Trisha L.; Kraemer, Benjamin M.; Swann, George; Mackay, Anson W.; Powers, Stephen M.; Meyer, Michael F.; Labou, Stephanie G.; O'Reilly, Catherine M.; DiCarlo, Morgan; Galloway, Aaron W. E.; Fritz, Sherilyn C.

Authors

Stephanie E. Hampton

Ted Ozersky

Salvatore G. P. Virdis

Tuong Thuy Vu

Trisha L. Spanbauer

Benjamin M. Kraemer

Anson W. Mackay

Stephen M. Powers

Michael F. Meyer

Stephanie G. Labou

Catherine M. O'Reilly

Morgan DiCarlo

Aaron W. E. Galloway

Sherilyn C. Fritz



Abstract

Ancient lakes are among the best archivists of past environmental change, having experienced more than one full glacial cycle, a wide range of climatic conditions, tectonic events, and long association with human settlements. These lakes not only record long histories of environmental variation and human activity in their sediments, but also harbor very high levels of biodiversity and endemism. Yet, ancient lakes are faced with a familiar suite of anthropogenic threats, which may degrade the unusual properties that make them especially valuable to science and society. In all ancient lakes for which data exist, significant warming of surface waters has occurred, with a broad range of consequences. Eutrophication threatens both native species assemblages and regional economies reliant on clean surface water, fisheries, and tourism. Where sewage contributes nutrients and heavy metals, one can anticipate the occurrence of less understood emerging contaminants, such as pharmaceuticals, personal care products, and microplastics that negatively affect lake biota and water quality. Human populations continue to increase in most of the ancient lakes’ watersheds, which will exacerbate these concerns. Further, human alterations of hydrology, including those produced through climate change, have altered lake levels. Co‐occurring with these impacts have been intentional and unintentional species introductions, altering biodiversity. Given that the distinctive character of each ancient lake is strongly linked to age, there may be few options to remediate losses of species or other ecosystem damage associated with modern ecological change, heightening the imperative for understanding these systems.

Citation

Hampton, S. E., McGowan, S., Ozersky, T., Virdis, S. G. P., Vu, T. T., Spanbauer, T. L., …Fritz, S. C. (2018). Recent ecological change in ancient lakes. Limnology and Oceanography, 63(5), 2277-2304. doi:10.1002/lno.10938

Journal Article Type Article
Acceptance Date Apr 18, 2018
Online Publication Date Jul 13, 2018
Publication Date Sep 30, 2018
Deposit Date Jul 25, 2018
Publicly Available Date Jul 25, 2018
Journal Limnology and Oceanography
Print ISSN 0024-3590
Electronic ISSN 1939-5590
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 63
Issue 5
Pages 2277-2304
DOI https://doi.org/10.1002/lno.10938
Public URL http://eprints.nottingham.ac.uk/id/eprint/53131
Publisher URL https://aslopubs.onlinelibrary.wiley.com/doi/abs/10.1002/lno.10938
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0
Additional Information

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0





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