Jelly biomass sinking speed reveals a fast carbon export mechanism
10 pages, 4 figures, 3 tables Sinking of gelatinous zooplankton biomass is an important component of the biological pump removing carbon from the upper ocean. The export efficiency, e.g., how much biomass reaches the ocean interior sequestering carbon, is poorly known because of the absence of relia...
Published in: | Limnology and Oceanography |
---|---|
Main Authors: | , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
American Society of Limnology and Oceanography
2013
|
Subjects: | |
Online Access: | http://hdl.handle.net/10261/93861 https://doi.org/10.4319/lo.2013.58.3.1113 |
id |
ftcsic:oai:digital.csic.es:10261/93861 |
---|---|
record_format |
openpolar |
spelling |
ftcsic:oai:digital.csic.es:10261/93861 2024-02-11T10:05:53+01:00 Jelly biomass sinking speed reveals a fast carbon export mechanism Lebrato, Mario Mendes, Pedro Steinberg, Deborah K. Cartes, Joan Enric Jones, Bethan Birsa, Laura M. Benavides, Roberto Oschlies, Andreas 2013 http://hdl.handle.net/10261/93861 https://doi.org/10.4319/lo.2013.58.3.1113 unknown American Society of Limnology and Oceanography https://doi.org/10.4319/lo.2013.58.3.1113 doi:10.4319/lo.2013.58.3.1113 issn: 0024-3590 Limnology and Oceanography 58(3): 1113-1122 (2013) http://hdl.handle.net/10261/93861 open artículo http://purl.org/coar/resource_type/c_6501 2013 ftcsic https://doi.org/10.4319/lo.2013.58.3.1113 2024-01-16T09:57:25Z 10 pages, 4 figures, 3 tables Sinking of gelatinous zooplankton biomass is an important component of the biological pump removing carbon from the upper ocean. The export efficiency, e.g., how much biomass reaches the ocean interior sequestering carbon, is poorly known because of the absence of reliable sinking speed data. We measured sinking rates of gelatinous particulate organic matter (jelly-POM) from different species of scyphozoans, ctenophores, thaliaceans, and pteropods, both in the field and in the laboratory in vertical columns filled with seawater using high-quality video. Using these data, we determined taxon-specific jelly-POM export efficiencies using equations that integrate biomass decay rate, seawater temperature, and sinking speed. Two depth scenarios in several environments were considered, with jelly-POM sinking from 200 and 600 m in temperate, tropical, and polar regions. Jelly-POM sank on average between 850 and 1500 m d−1 (salps: 800–1200 m d−1; ctenophores: 1200–1500 m d−1; scyphozoans: 1000–1100 m d−1; pyrosomes: 1300 m d−1). High latitudes represent a fast-sinking and low-remineralization corridor, regardless of species. In tropical and temperate regions, significant decomposition takes place above 1500 m unless jelly-POM sinks below the permanent thermocline. Sinking jelly-POM sequesters carbon to the deep ocean faster than anticipated, and should be incorporated into biogeochemical and modeling studies to provide more realistic quantification of export via the biological carbon pump worldwide We acknowledge funding from the ‘‘European Project on Ocean Acidification’’ (EPOCA), part of the European Community’s Seventh Framework Programme (FP7/2007–2013) (grant 211384), the Kiel Cluster of Excellence ‘‘The Future Ocean’’ (D1067/87), the German project Biological Impacts of Ocean Acidification (BIOACID), funded by the Federal Ministry of Education and Research (BMBF, FKZ 03F0608B), and the U.S. National Science Foundation Office of Polar Programs (grant OPP-0823101) Peer Reviewed Article in Journal/Newspaper National Science Foundation Office of Polar Programs Ocean acidification Digital.CSIC (Spanish National Research Council) Limnology and Oceanography 58 3 1113 1122 |
institution |
Open Polar |
collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
description |
10 pages, 4 figures, 3 tables Sinking of gelatinous zooplankton biomass is an important component of the biological pump removing carbon from the upper ocean. The export efficiency, e.g., how much biomass reaches the ocean interior sequestering carbon, is poorly known because of the absence of reliable sinking speed data. We measured sinking rates of gelatinous particulate organic matter (jelly-POM) from different species of scyphozoans, ctenophores, thaliaceans, and pteropods, both in the field and in the laboratory in vertical columns filled with seawater using high-quality video. Using these data, we determined taxon-specific jelly-POM export efficiencies using equations that integrate biomass decay rate, seawater temperature, and sinking speed. Two depth scenarios in several environments were considered, with jelly-POM sinking from 200 and 600 m in temperate, tropical, and polar regions. Jelly-POM sank on average between 850 and 1500 m d−1 (salps: 800–1200 m d−1; ctenophores: 1200–1500 m d−1; scyphozoans: 1000–1100 m d−1; pyrosomes: 1300 m d−1). High latitudes represent a fast-sinking and low-remineralization corridor, regardless of species. In tropical and temperate regions, significant decomposition takes place above 1500 m unless jelly-POM sinks below the permanent thermocline. Sinking jelly-POM sequesters carbon to the deep ocean faster than anticipated, and should be incorporated into biogeochemical and modeling studies to provide more realistic quantification of export via the biological carbon pump worldwide We acknowledge funding from the ‘‘European Project on Ocean Acidification’’ (EPOCA), part of the European Community’s Seventh Framework Programme (FP7/2007–2013) (grant 211384), the Kiel Cluster of Excellence ‘‘The Future Ocean’’ (D1067/87), the German project Biological Impacts of Ocean Acidification (BIOACID), funded by the Federal Ministry of Education and Research (BMBF, FKZ 03F0608B), and the U.S. National Science Foundation Office of Polar Programs (grant OPP-0823101) Peer Reviewed |
format |
Article in Journal/Newspaper |
author |
Lebrato, Mario Mendes, Pedro Steinberg, Deborah K. Cartes, Joan Enric Jones, Bethan Birsa, Laura M. Benavides, Roberto Oschlies, Andreas |
spellingShingle |
Lebrato, Mario Mendes, Pedro Steinberg, Deborah K. Cartes, Joan Enric Jones, Bethan Birsa, Laura M. Benavides, Roberto Oschlies, Andreas Jelly biomass sinking speed reveals a fast carbon export mechanism |
author_facet |
Lebrato, Mario Mendes, Pedro Steinberg, Deborah K. Cartes, Joan Enric Jones, Bethan Birsa, Laura M. Benavides, Roberto Oschlies, Andreas |
author_sort |
Lebrato, Mario |
title |
Jelly biomass sinking speed reveals a fast carbon export mechanism |
title_short |
Jelly biomass sinking speed reveals a fast carbon export mechanism |
title_full |
Jelly biomass sinking speed reveals a fast carbon export mechanism |
title_fullStr |
Jelly biomass sinking speed reveals a fast carbon export mechanism |
title_full_unstemmed |
Jelly biomass sinking speed reveals a fast carbon export mechanism |
title_sort |
jelly biomass sinking speed reveals a fast carbon export mechanism |
publisher |
American Society of Limnology and Oceanography |
publishDate |
2013 |
url |
http://hdl.handle.net/10261/93861 https://doi.org/10.4319/lo.2013.58.3.1113 |
genre |
National Science Foundation Office of Polar Programs Ocean acidification |
genre_facet |
National Science Foundation Office of Polar Programs Ocean acidification |
op_relation |
https://doi.org/10.4319/lo.2013.58.3.1113 doi:10.4319/lo.2013.58.3.1113 issn: 0024-3590 Limnology and Oceanography 58(3): 1113-1122 (2013) http://hdl.handle.net/10261/93861 |
op_rights |
open |
op_doi |
https://doi.org/10.4319/lo.2013.58.3.1113 |
container_title |
Limnology and Oceanography |
container_volume |
58 |
container_issue |
3 |
container_start_page |
1113 |
op_container_end_page |
1122 |
_version_ |
1790603111770882048 |