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Estimating in situ zooplankton non-predation mortality in an oligo-mesotrophic lake from sediment trap data: caveats and reality check

Olga Dubovskaya, Kam Tang Orcid Logo, Michail Gladyshev, Georgiy Kirillin, Zhanna Buseva, Peter Kasprzak, Aleksandr Tolomeev, Hans-Peter Grossart

PLoS ONE, Volume: 10, Issue: 7, Start page: e0131431

Swansea University Author: Kam Tang Orcid Logo

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DOI (Published version): 10.1371/journal.pone.0131431

Published in: PLoS ONE
Published: 2015
URI: https://cronfa.swan.ac.uk/Record/cronfa22153
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Item Description: Non-predation mortality is often ignored in zooplankton population dynamics models despite frequent observations of non-predation mass mortality of zooplankton, mainly due to methodological difficulty in measuring in situ non-predation mortality rate. In this study we described a sediment trap method in combination with a carcass flux model to estimate in situ non-predation zooplankton mortality. This approach yielded a non-predation mortality rate that was consistent with physiological death rate, and was also consistent with concurrent zooplankton abundance data. The results will improve our understanding of zooplankton population dynamics and related ecological processes.
College: College of Science
Issue: 7
Start Page: e0131431