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Ecology under lake ice

Hampton, Stephanie E.; Galloway, Aaron W.E.; Powers, Stephen M.; Ozersky, Ted; Woo, Kara H.; Batt, Ryan D.; Labou, Stephanie G.; O'Reilly, Catherine M.; Sharma, Sapna; Lottig, Noah R.; Stanley, Emily H.; North, Rebecca L.; Stockwell, Jason D.; Adrian, Rita; Weyhenmeyer, Gesa A.; Roberts, Sarah; Swann, George E.A.

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Authors

Stephanie E. Hampton

Aaron W.E. Galloway

Stephen M. Powers

Ted Ozersky

Kara H. Woo

Ryan D. Batt

Stephanie G. Labou

Catherine M. O'Reilly

Sapna Sharma

Noah R. Lottig

Emily H. Stanley

Rebecca L. North

Jason D. Stockwell

Rita Adrian

Gesa A. Weyhenmeyer

Sarah Roberts



Abstract

Winter conditions are rapidly changing in temperate ecosystems, particularly for those that experience periods of snow and ice cover. Relatively little is known of winter ecology in these systems, due to a historical research focus on summer "growing seasons." We executed the first global quantitative synthesis on under-ice lake ecology, including 36 abiotic and biotic variables from 42 research groups and 101 lakes, examining seasonal differences and connections as well as how seasonal differences vary with geophysical factors. Plankton were more abundant under ice than expected; mean winter values were 42.8% of summer values for chlorophyll a, 15.8% of summer phytoplankton biovolume, and 34.4% of summer zooplankton density. Dissolved nitrogen concentrations were typically higher during winter, and these differences were exaggerated in smaller lakes. Lake size also influenced winter-summer patterns for dissolved organic carbon (DOC), with higher winter DOC in smaller lakes. At coarse levels of taxonomic aggregation, phytoplankton and zooplankton community composition showed few systematic differences between seasons, although literature suggests that seasonal differences are frequently lake-specific, species-specific, or occur at the level of functional group. Within the subset of lakes that had longer time-series, winter influenced the subsequent summer for some nutrient variables and zooplankton biomass.

Citation

Hampton, S. E., Galloway, A. W., Powers, S. M., Ozersky, T., Woo, K. H., Batt, R. D., …Swann, G. E. (2017). Ecology under lake ice. Ecology Letters, 20(1), 98-111. https://doi.org/10.1111/ele.12699

Journal Article Type Article
Acceptance Date Oct 13, 2016
Online Publication Date Nov 27, 2016
Publication Date Jan 1, 2017
Deposit Date Oct 14, 2016
Publicly Available Date Mar 28, 2024
Journal Ecology Letters
Print ISSN 1461-023X
Electronic ISSN 1461-0248
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 20
Issue 1
Pages 98-111
DOI https://doi.org/10.1111/ele.12699
Keywords lake, aquatic ecosystem, freshwater, winter ecology, seasonal, data synthesis, 97 plankton, limnology, long-term, time series
Public URL https://nottingham-repository.worktribe.com/output/970926
Publisher URL http://onlinelibrary.wiley.com/doi/10.1111/ele.12699/abstract

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