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Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux

Kam Tang Orcid Logo, Liv Backhaus, Lasse Riemann, Marja Koski, Hans-Peter Grossart, Peter Munk, Torkel Gissel Nielsen

Journal of Plankton Research, Volume: 41, Issue: 4, Pages: 549 - 560

Swansea University Author: Kam Tang Orcid Logo

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DOI (Published version): 10.1093/plankt/fbz038

Abstract

We showed that copepod carcasses were prevalent in the dynamic subtropical convergence zone where the water column stratification pattern can change considerably across the front as warm and cold water masses converge. The proportional numerical abundances of copepod carcasses increased with depth, r...

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Published in: Journal of Plankton Research
ISSN: 0142-7873 1464-3774
Published: Oxford University Press (OUP) 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa51296
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first_indexed 2019-08-01T22:29:31Z
last_indexed 2019-09-25T20:16:30Z
id cronfa51296
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spelling 2019-09-25T15:03:37.8696768 v2 51296 2019-08-01 Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux 69af43a3b9da24aef65c5d3a44956fe3 0000-0001-9427-9564 Kam Tang Kam Tang true false 2019-08-01 SBI We showed that copepod carcasses were prevalent in the dynamic subtropical convergence zone where the water column stratification pattern can change considerably across the front as warm and cold water masses converge. The proportional numerical abundances of copepod carcasses increased with depth, reaching up to 91% at 300–400 m. On average 14–19% of the copepods in the upper 200 m were carcasses. Combining field and experimental data, we estimated that decomposing copepod carcasses were a negligible oxygen sink in the STCZ, but sinking carcasses represent an overlooked source of the passive carbon sinking flux in the area. Journal Article Journal of Plankton Research 41 4 549 560 Oxford University Press (OUP) 0142-7873 1464-3774 2 9 2019 2019-09-02 10.1093/plankt/fbz038 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2019-09-25T15:03:37.8696768 2019-08-01T16:55:30.0847756 Kam Tang 0000-0001-9427-9564 1 Liv Backhaus 2 Lasse Riemann 3 Marja Koski 4 Hans-Peter Grossart 5 Peter Munk 6 Torkel Gissel Nielsen 7 51296__14857__55cfcca417ea4c7ea174655d80dc9be6.pdf 51296.pdf 2019-08-06T16:56:33.3100000 Output 1365738 application/pdf Accepted Manuscript true 2020-09-02T00:00:00.0000000 true eng
title Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
spellingShingle Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
Kam Tang
title_short Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
title_full Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
title_fullStr Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
title_full_unstemmed Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
title_sort Copepod carcasses in the subtropical convergence zone of the Sargasso Sea: implications for microbial community composition, system respiration and carbon flux
author_id_str_mv 69af43a3b9da24aef65c5d3a44956fe3
author_id_fullname_str_mv 69af43a3b9da24aef65c5d3a44956fe3_***_Kam Tang
author Kam Tang
author2 Kam Tang
Liv Backhaus
Lasse Riemann
Marja Koski
Hans-Peter Grossart
Peter Munk
Torkel Gissel Nielsen
format Journal article
container_title Journal of Plankton Research
container_volume 41
container_issue 4
container_start_page 549
publishDate 2019
institution Swansea University
issn 0142-7873
1464-3774
doi_str_mv 10.1093/plankt/fbz038
publisher Oxford University Press (OUP)
document_store_str 1
active_str 0
description We showed that copepod carcasses were prevalent in the dynamic subtropical convergence zone where the water column stratification pattern can change considerably across the front as warm and cold water masses converge. The proportional numerical abundances of copepod carcasses increased with depth, reaching up to 91% at 300–400 m. On average 14–19% of the copepods in the upper 200 m were carcasses. Combining field and experimental data, we estimated that decomposing copepod carcasses were a negligible oxygen sink in the STCZ, but sinking carcasses represent an overlooked source of the passive carbon sinking flux in the area.
published_date 2019-09-02T04:03:08Z
_version_ 1763753264022552576
score 11.013148

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