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Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment

Olga P Dubovskaya, Aleksandr P Tolomeev, Georgiy Kirillin, Zhanna Buseva, Kam Tang Orcid Logo, Michail I Gladyshev

Journal of Plankton Research, Volume: 40, Issue: 1, Pages: 91 - 106

Swansea University Author: Kam Tang Orcid Logo

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DOI (Published version): 10.1093/plankt/fbx066

Abstract

Zooplankton populations can suffer mass mortality due to non-predatory mortality (NPM) factors, and the resulting carcasses can be captured by sediment traps, or be removed by ingestion, turbulent mixing and microbial degradation in the water column. We presented mathematical formulations to calcula...

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Published in: Journal of Plankton Research
ISSN: 0142-7873 1464-3774
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa36422
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first_indexed 2017-11-01T13:54:56Z
last_indexed 2018-02-12T14:20:13Z
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spelling 2018-02-09T13:45:24.5689879 v2 36422 2017-11-01 Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment 69af43a3b9da24aef65c5d3a44956fe3 0000-0001-9427-9564 Kam Tang Kam Tang true false 2017-11-01 SBI Zooplankton populations can suffer mass mortality due to non-predatory mortality (NPM) factors, and the resulting carcasses can be captured by sediment traps, or be removed by ingestion, turbulent mixing and microbial degradation in the water column. We presented mathematical formulations to calculate NPM from sediment trap data by accounting for carcass removal by processes in addition to sinking, and demonstrated their application in Lake Shira, Russia. The estimated NPM values were comparable to physiological death rates. Estimated ingestion by the amphipod Gammarus lacustris could account for the disappearance of carcasses above the traps. Wind-driven turbulence could extend the carcass exposure time to microbial degradation. Collectively, these water column processes facilitate the remineralization of carcasses in the water column, and diminish the carcass carbon flux to the benthos. Journal Article Journal of Plankton Research 40 1 91 106 0142-7873 1464-3774 31 12 2018 2018-12-31 10.1093/plankt/fbx066 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2018-02-09T13:45:24.5689879 2017-11-01T08:33:04.2223095 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Olga P Dubovskaya 1 Aleksandr P Tolomeev 2 Georgiy Kirillin 3 Zhanna Buseva 4 Kam Tang 0000-0001-9427-9564 5 Michail I Gladyshev 6 0036422-01112017083351.pdf JPR_authorsfinal.pdf 2017-11-01T08:33:51.5700000 Output 2977608 application/pdf Accepted Manuscript true 2018-12-13T00:00:00.0000000 true eng
title Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
spellingShingle Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
Kam Tang
title_short Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
title_full Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
title_fullStr Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
title_full_unstemmed Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
title_sort Effects of water column processes on the use of sediment traps to measure zooplankton non-predatory mortality: a mathematical and empirical assessment
author_id_str_mv 69af43a3b9da24aef65c5d3a44956fe3
author_id_fullname_str_mv 69af43a3b9da24aef65c5d3a44956fe3_***_Kam Tang
author Kam Tang
author2 Olga P Dubovskaya
Aleksandr P Tolomeev
Georgiy Kirillin
Zhanna Buseva
Kam Tang
Michail I Gladyshev
format Journal article
container_title Journal of Plankton Research
container_volume 40
container_issue 1
container_start_page 91
publishDate 2018
institution Swansea University
issn 0142-7873
1464-3774
doi_str_mv 10.1093/plankt/fbx066
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
document_store_str 1
active_str 0
description Zooplankton populations can suffer mass mortality due to non-predatory mortality (NPM) factors, and the resulting carcasses can be captured by sediment traps, or be removed by ingestion, turbulent mixing and microbial degradation in the water column. We presented mathematical formulations to calculate NPM from sediment trap data by accounting for carcass removal by processes in addition to sinking, and demonstrated their application in Lake Shira, Russia. The estimated NPM values were comparable to physiological death rates. Estimated ingestion by the amphipod Gammarus lacustris could account for the disappearance of carcasses above the traps. Wind-driven turbulence could extend the carcass exposure time to microbial degradation. Collectively, these water column processes facilitate the remineralization of carcasses in the water column, and diminish the carcass carbon flux to the benthos.
published_date 2018-12-31T03:45:33Z
_version_ 1763752157662674944
score 11.037603

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