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Earth System Dynamics An interactive open-access journal of the European Geosciences Union
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Volume 7, issue 1
Earth Syst. Dynam., 7, 103–117, 2016
https://doi.org/10.5194/esd-7-103-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Earth Syst. Dynam., 7, 103–117, 2016
https://doi.org/10.5194/esd-7-103-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Peer-reviewed comment 11 Feb 2016

Peer-reviewed comment | 11 Feb 2016

Comment on: "Recent revisions of phosphate rock reserves and resources: a critique" by Edixhoven et al. (2014) – clarifying comments and thoughts on key conceptions, conclusions and interpretation to allow for sustainable action

R. W. Scholz and F.-W. Wellmer
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Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
AR by Roland Scholz on behalf of the Authors (16 Jun 2015)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (24 Jun 2015) by Axel Kleidon
RR by G. Büchel (28 Aug 2015)
ED: Publish subject to minor revisions (review by Editor) (14 Sep 2015) by Axel Kleidon
AR by Svenja Lange on behalf of the Authors (22 Oct 2015)  Author's response
ED: Publish subject to minor revisions (review by Editor) (16 Nov 2015) by Axel Kleidon
AR by Roland Scholz on behalf of the Authors (25 Nov 2015)  Author's response    Manuscript
ED: Publish as is (09 Dec 2015) by Axel Kleidon
Publications Copernicus
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Short summary
The 2014 USGS data could decrease from 67 Gt phosphate rock (PR) reserves to 58.5 Gt marketable PR (PR-M) if data on PR-ore are transferred to PR-M. The 50 Gt PR-M estimate for Moroccan reserves is reasonable. Geoeconomics suggests that large parts of resources and geopotential become future reserves. As phosphate is essential for food production and reserve data alone are unsufficient for assessing long-run supply security, an international standing committee may assess future PR accessibility.
The 2014 USGS data could decrease from 67 Gt phosphate rock (PR) reserves to 58.5 Gt marketable...
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