Articles | Volume 18, issue 5
Biogeosciences, 18, 1749–1767, 2021
https://doi.org/10.5194/bg-18-1749-2021

Special issue: Atmospheric deposition in the low-nutrient-low-chlorophyll...

Biogeosciences, 18, 1749–1767, 2021
https://doi.org/10.5194/bg-18-1749-2021

Research article 15 Mar 2021

Research article | 15 Mar 2021

Deep maxima of phytoplankton biomass, primary production and bacterial production in the Mediterranean Sea

Emilio Marañón et al.

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (22 Nov 2020) by Aninda Mazumdar
ED: Reconsider after major revisions (23 Nov 2020) by Christine Klaas(Co-Editor-in-Chief)
AR by Emilio Marañón on behalf of the Authors (05 Dec 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (13 Dec 2020) by Aninda Mazumdar
RR by Anonymous Referee #1 (15 Jan 2021)
ED: Publish as is (23 Jan 2021) by Aninda Mazumdar
ED: Publish as is (08 Feb 2021) by Christine Klaas(Co-Editor-in-Chief)
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Short summary
The concentration of chlorophyll is commonly used as an indicator of the abundance of photosynthetic plankton (phytoplankton) in lakes and oceans. Our study investigates why a deep chlorophyll maximum, located near the bottom of the upper, illuminated layer develops in the Mediterranean Sea. We find that the acclimation of cells to low light is the main mechanism involved and that this deep maximum represents also a maximum in the biomass and carbon fixation activity of phytoplankton.
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