Articles | Volume 18, issue 23
Biogeosciences, 18, 6115–6132, 2021
https://doi.org/10.5194/bg-18-6115-2021
Biogeosciences, 18, 6115–6132, 2021
https://doi.org/10.5194/bg-18-6115-2021

Research article 30 Nov 2021

Research article | 30 Nov 2021

Enhanced chlorophyll-a concentration in the wake of Sable Island, eastern Canada, revealed by two decades of satellite observations: a response to grey seal population dynamics?

Emmanuel Devred et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-55', Anonymous Referee #1, 15 May 2021
  • RC2: 'Comment on bg-2021-55', Anonymous Referee #2, 23 May 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (29 Jul 2021) by Julia Uitz
AR by Emmanuel Devred on behalf of the Authors (28 Aug 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (02 Sep 2021) by Julia Uitz
RR by Anonymous Referee #2 (14 Sep 2021)
RR by Anonymous Referee #1 (23 Sep 2021)
ED: Publish subject to minor revisions (review by editor) (24 Sep 2021) by Julia Uitz
AR by Emmanuel Devred on behalf of the Authors (13 Oct 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (14 Oct 2021) by Julia Uitz
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Short summary
A theoretical model of grey seal seasonal abundance on Sable Island (SI) coupled with chlorophyll-a concentration [chl-a] measured by satellite revealed the impact of seal nitrogen fertilization on the surrounding waters of SI, Canada. The increase in seals from about 100 000 in 2003 to about 360 000 in 2018 during the breeding season is consistent with an increase in [chl-a] leeward of SI. The increase in seal abundance explains 8 % of the [chl-a] increase.
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