Replication data for: Cold Seeps and Coral Reefs in Northern Norway: carbon cycling in marine ecosystems with coexisting features (doi:10.18710/KFYVIA)

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Replication data for: Cold Seeps and Coral Reefs in Northern Norway: carbon cycling in marine ecosystems with coexisting features

doi:10.18710/KFYVIA

DataverseNO

2025-01-20

1

Sert, Muhammed Fatih; Bernstein, Hans C.; Kekäläinen, Timo; Ferré, Bénédicte, 2025, "Replication data for: Cold Seeps and Coral Reefs in Northern Norway: carbon cycling in marine ecosystems with coexisting features", https://doi.org/10.18710/KFYVIA, DataverseNO, V1

Replication data for: Cold Seeps and Coral Reefs in Northern Norway: carbon cycling in marine ecosystems with coexisting features

doi:10.18710/KFYVIA

Sert, Muhammed Fatih (UiT The Arctic University of Norway)

Bernstein, Hans C. (UiT The Arctic University of Norway)

Kekäläinen, Timo (Department of Chemistry, University of Eastern Finland)

Ferré, Bénédicte (UiT The Arctic University of Norway)

Department of Geosciences, UiT The Arctic University of Norway

Department of Chemistry, University of Eastern Finland

Faculty of Biosciences, Fisheries, and Economics, UiT-The Arctic University of Norway

Jänis, Janne

Petters, Sebastian

Dills, Michael Stefan

UiT The Arctic University of Norway

R

QGIS

320100

223259

731077

DataverseNO

UiT The Arctic University of Norway

Sert, Muhammed Fatih

Sert, Muhammed Fatih

2024-09-15

https://doi.org/10.18710/KFYVIA

Earth and Environmental Sciences, Dissolved organic matter, methane, cold seeps, cold water corals

This dataset contains water column measurements, dissolved organic matter compositions, hydrographical profiles and 16S rRNA data collected from the Lofoten-Vesteralen seep site at Northern Norway. Data are presented along with the R codes for the replication of analyses, and figures that were added in our submitted paper. We recommend using R (v4.3.1) and R Studio (2023.06.1) which can access all codes and data. Running codes in the given order will create corresponding data tables and all the figures that were used in the article.

Cold seeps and cold-water corals (CWCs) coexist on Northern Norway’s continental shelf at the Hola trough between Lofoten and Vesterålen. Here, cold seeps release methane from the seabed, yet none reaches the sea-surafce. Instead, the methane dissolves and disperses in the ocean where it is ultimately consumed by methane-oxidizing microorganisms. These microorganisms metabolize methane and release carbon dioxide and dissolved organic matter (DOM), which impact the biogeochemical habitat of CWCs in close vicinity of cold seeps. We investigated the biogeochemistry of carbon, carbon isotopes, nutrients, dissolved organic matter compositions, and microbial diversity in the water column. Our results indicated that dissolved inorganic carbon concentrations were 29% higher near cold seeps with modified carbon's isotopic compositions. The hydrophysical parameters and surface-to-bottom control of sinking particles mainly govern water column productivity and nutrient cycle. DOM compositions implied that the seep-associated microbiomes modify DOM's chemical diversity and isotopic composition at CWCs and the entire water column near cold seeps. We suggest cold seeps and CWCs coexist in Northern Norway's continental shelves; however, enhanced water temperatures and consequent increase in methane release at cold seeps may mitigate the ecological role and functioning of CWC reefs in the future.

2022-06-08-2022-06-16

2022-06-08-2022-06-16

Norway

Lofoten-Vesterålen, Nordland

Hola trough

• West Bounding Longitude: 14.22364628
• East Bounding Longitude: 14.40586557
• South Bounding Latitude: 68.90823672
• North Bounding Latitude: 68.94306462

Observational data

<a href="http://creativecommons.org/publicdomain/zero/1.0">CC0 1.0</a>

Muhammed Fatih Sert, Hans C. Bernstein, Knut Ola Dølven, Sebastian Petters, Timo Kekäläinen, Janne Jänis, Jorge Corrales-Guerrero and Bénédicte Ferré. Cold Seeps and Coral Reefs in Northern Norway: Carbon Cycling between Coexisting Features in Marine Ecosystems "Submitted for review".

Muhammed Fatih Sert, Hans C. Bernstein, Knut Ola Dølven, Sebastian Petters, Timo Kekäläinen, Janne Jänis, Jorge Corrales-Guerrero and Bénédicte Ferré. Cold Seeps and Coral Reefs in Northern Norway: Carbon Cycling between Coexisting Features in Marine Ecosystems "Submitted for review".

Ferré, B., Barreyre, T., Bünz, S., Argentino, C., Corrales-Guerrero, J., Dølven, K. O., Stetzler, M., Fallati, L., Sert, M. F., Panieri, G., Rastrick, S., Kutti, T., & Moser, M. (2024). Contrasting Methane Seepage Dynamics in the Hola Trough Offshore Norway: Insights From Two Different Summers. Journal of Geophysical Research: Oceans, 129(6), e2024JC020949. https://doi.org/10.1029/2024JC020949

Ferré, B., Panieri, G., Argentino, C., Sert, M. F., Stetzler, M., Fallati, L., Dills, M. S., Petters, S., Rohan, T., Barreyre, T., Lien, M. E., Kutti, T., Corrales, J., Kjær, M., Ting, R., Bojesen, M. D., Walta, A., & Jensen, S. (2022). CAGE22-3 Cruise Report: EMAN7 cruise. https://septentrio.uit.no/index.php/cage/article/view/6760

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00_readme.txt

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01_profiles.R

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02_DOM_ms.R

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