Detrital carbon production and export in high latitude kelp forests
produced, the form it takes (size) and its timing of delivery are key to understanding its role as a resource subsidy to secondary production and/or its potential contribution to C-sequestration. We quantified the production and release of detritus from 10 Laminaria hyperborea sites in northern Norw...
Published in: | Oecologia |
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Format: | Article in Journal/Newspaper |
Language: | English |
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2020
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Online Access: | https://forskning.ruc.dk/da/publications/ad41cc17-3a30-4899-92a3-506173ddd4dd https://doi.org/10.1007/s00442-019-04573-z https://hdl.handle.net/1800/ad41cc17-3a30-4899-92a3-506173ddd4dd https://rucforsk.ruc.dk/ws/files/66586764/Pedersen_et_al._Oecologia_2020_pre_print_version_002_.pdf |
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fturoskildefispu:oai:pure.atira.dk:publications/ad41cc17-3a30-4899-92a3-506173ddd4dd 2023-11-05T03:44:19+01:00 Detrital carbon production and export in high latitude kelp forests Pedersen, Morten Foldager Filbee-Dexter, Karen Norderhaug, Kjell Magnus Fredriksen, Stein Lond Frisk, Nicolai Fagerli, Camilla With Wernberg, Thomas 2020-01-01 application/pdf https://forskning.ruc.dk/da/publications/ad41cc17-3a30-4899-92a3-506173ddd4dd https://doi.org/10.1007/s00442-019-04573-z https://hdl.handle.net/1800/ad41cc17-3a30-4899-92a3-506173ddd4dd https://rucforsk.ruc.dk/ws/files/66586764/Pedersen_et_al._Oecologia_2020_pre_print_version_002_.pdf eng eng info:eu-repo/semantics/openAccess Pedersen , M F , Filbee-Dexter , K , Norderhaug , K M , Fredriksen , S , Lond Frisk , N , Fagerli , C W & Wernberg , T 2020 , ' Detrital carbon production and export in high latitude kelp forests ' , Oecologia , vol. 192 , no. 1 , pp. 227-239 . https://doi.org/10.1007/s00442-019-04573-z Carbon sequestration Detritus Drift Resource subsidy Seaweed article 2020 fturoskildefispu https://doi.org/10.1007/s00442-019-04573-z 2023-10-11T22:55:29Z produced, the form it takes (size) and its timing of delivery are key to understanding its role as a resource subsidy to secondary production and/or its potential contribution to C-sequestration. We quantified the production and release of detritus from 10 Laminaria hyperborea sites in northern Norway (69.6° N). Kelp biomass averaged 770 ± 100 g C m−2 while net production reached 499 ± 50 g C m−2 year−1, with most taking place in spring when new blades were formed. Production of biomass was balanced by a similar formation of detritus (478 ± 41 g C m−2 year−1), and both were unrelated to wave exposure when compared across sites. Distal blade erosion accounted for 23% of the total detritus production and was highest during autumn and winter, while dislodgment of whole individuals and/or whole blades corresponded to 24% of the detritus production. Detachment of old blades constituted the largest source of kelp detritus, accounting for > 50% of the total detrital production. Almost 80% of the detritus from L. hyperborea was thus in the form of whole plants or blades and > 60% of that was delivered as a large pulse within 1–2 months in spring. The discrete nature of the delivery suggests that the detritus cannot be retained and consumed locally and that some is exported to adjacent deep areas where it may subsidize secondary production or become buried into deep marine sediments as blue carbon. The production and fate of seaweed detritus is a major unknown in the global C-budget. Knowing the quantity of detritus produced, the form it takes (size) and its timing of delivery are key to understanding its role as a resource subsidy to secondary production and/or its potential contribution to C-sequestration. We quantified the production and release of detritus from 10 Laminaria hyperborea sites in northern Norway (69.6° N). Kelp biomass averaged 770 ± 100 g C m −2 while net production reached 499 ± 50 g C m −2 year −1 , with most taking place in spring when new blades were formed. Production of biomass was ... Article in Journal/Newspaper Northern Norway Roskilde University Research Portal (RUC) Oecologia 192 1 227 239 |
institution |
Open Polar |
collection |
Roskilde University Research Portal (RUC) |
op_collection_id |
fturoskildefispu |
language |
English |
topic |
Carbon sequestration Detritus Drift Resource subsidy Seaweed |
spellingShingle |
Carbon sequestration Detritus Drift Resource subsidy Seaweed Pedersen, Morten Foldager Filbee-Dexter, Karen Norderhaug, Kjell Magnus Fredriksen, Stein Lond Frisk, Nicolai Fagerli, Camilla With Wernberg, Thomas Detrital carbon production and export in high latitude kelp forests |
topic_facet |
Carbon sequestration Detritus Drift Resource subsidy Seaweed |
description |
produced, the form it takes (size) and its timing of delivery are key to understanding its role as a resource subsidy to secondary production and/or its potential contribution to C-sequestration. We quantified the production and release of detritus from 10 Laminaria hyperborea sites in northern Norway (69.6° N). Kelp biomass averaged 770 ± 100 g C m−2 while net production reached 499 ± 50 g C m−2 year−1, with most taking place in spring when new blades were formed. Production of biomass was balanced by a similar formation of detritus (478 ± 41 g C m−2 year−1), and both were unrelated to wave exposure when compared across sites. Distal blade erosion accounted for 23% of the total detritus production and was highest during autumn and winter, while dislodgment of whole individuals and/or whole blades corresponded to 24% of the detritus production. Detachment of old blades constituted the largest source of kelp detritus, accounting for > 50% of the total detrital production. Almost 80% of the detritus from L. hyperborea was thus in the form of whole plants or blades and > 60% of that was delivered as a large pulse within 1–2 months in spring. The discrete nature of the delivery suggests that the detritus cannot be retained and consumed locally and that some is exported to adjacent deep areas where it may subsidize secondary production or become buried into deep marine sediments as blue carbon. The production and fate of seaweed detritus is a major unknown in the global C-budget. Knowing the quantity of detritus produced, the form it takes (size) and its timing of delivery are key to understanding its role as a resource subsidy to secondary production and/or its potential contribution to C-sequestration. We quantified the production and release of detritus from 10 Laminaria hyperborea sites in northern Norway (69.6° N). Kelp biomass averaged 770 ± 100 g C m −2 while net production reached 499 ± 50 g C m −2 year −1 , with most taking place in spring when new blades were formed. Production of biomass was ... |
format |
Article in Journal/Newspaper |
author |
Pedersen, Morten Foldager Filbee-Dexter, Karen Norderhaug, Kjell Magnus Fredriksen, Stein Lond Frisk, Nicolai Fagerli, Camilla With Wernberg, Thomas |
author_facet |
Pedersen, Morten Foldager Filbee-Dexter, Karen Norderhaug, Kjell Magnus Fredriksen, Stein Lond Frisk, Nicolai Fagerli, Camilla With Wernberg, Thomas |
author_sort |
Pedersen, Morten Foldager |
title |
Detrital carbon production and export in high latitude kelp forests |
title_short |
Detrital carbon production and export in high latitude kelp forests |
title_full |
Detrital carbon production and export in high latitude kelp forests |
title_fullStr |
Detrital carbon production and export in high latitude kelp forests |
title_full_unstemmed |
Detrital carbon production and export in high latitude kelp forests |
title_sort |
detrital carbon production and export in high latitude kelp forests |
publishDate |
2020 |
url |
https://forskning.ruc.dk/da/publications/ad41cc17-3a30-4899-92a3-506173ddd4dd https://doi.org/10.1007/s00442-019-04573-z https://hdl.handle.net/1800/ad41cc17-3a30-4899-92a3-506173ddd4dd https://rucforsk.ruc.dk/ws/files/66586764/Pedersen_et_al._Oecologia_2020_pre_print_version_002_.pdf |
genre |
Northern Norway |
genre_facet |
Northern Norway |
op_source |
Pedersen , M F , Filbee-Dexter , K , Norderhaug , K M , Fredriksen , S , Lond Frisk , N , Fagerli , C W & Wernberg , T 2020 , ' Detrital carbon production and export in high latitude kelp forests ' , Oecologia , vol. 192 , no. 1 , pp. 227-239 . https://doi.org/10.1007/s00442-019-04573-z |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1007/s00442-019-04573-z |
container_title |
Oecologia |
container_volume |
192 |
container_issue |
1 |
container_start_page |
227 |
op_container_end_page |
239 |
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1781703881530540032 |