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Rhodoliths can act as daily resolution paleotemperature archives in the Red Sea

Integrating multi-element proxy data from all growth axes of rhodoliths improves temperature reconstructions, according to analysis from a daily-resolved temperature record derived from a central Red Sea coralline algal rhodolith.

Lena Y. Li
Juan P. Bernal-Tamayo
Bernd R. Schöne
ResearchOpen Access21 May 2026
Communications Earth & Environment

Volume: 7, P: 1-11
Crustose coralline algae biomineral-bound nitrogen isotopes provide a baseline to reconstruct coral trophic strategies

Crustose coralline algae biomineral-bound nitrogen isotopes reveal how strongly corals rely on photosymbionts, exposing hidden variation in reef trophic strategies across regions and taxa, according to an analysis that uses the Reliance on Symbionts Index.

Jonathan Jung
Tanja Wald
Alfredo Martínez-García
ResearchOpen Access10 Apr 2026
Communications Earth & Environment

Volume: 7, P: 1-12
Multicentennial record of Labrador Sea primary productivity and sea-ice variability archived in coralline algal barium

Continued warming and melting of Arctic sea-ice have led to increases in Labrador Sea phytoplankton productivity in recent decades. Here, the authors utilize a novel annually resolved palaeoproxy and propose that the recently observed increase in surface ocean productivity is unmatched since the Little Ice Age.

P. Chan
J. Halfar
A. Hou
ResearchOpen Access01 Jun 2017
Nature Communications

Volume: 8, P: 1-10
The role of chitin-rich skeletal organic matrix on the crystallization of calcium carbonate in the crustose coralline alga Leptophytum foecundum

M. Azizur Rahman
Jochen Halfar
Maria Dittrich
ResearchOpen Access15 Aug 2019
Scientific Reports

Volume: 9, P: 1-8
First evidence of chitin in calcified coralline algae: new insights into the calcification process of Clathromorphum compactum

M. Azizur Rahman
Jochen Halfar
ResearchOpen Access22 Aug 2014
Scientific Reports

Volume: 4, P: 1-11
Delayed onset of ocean acidification in the Gulf of Maine

Joseph A. Stewart
Branwen Williams
Walter Adey
ResearchOpen Access15 Jan 2025
Scientific Reports

Volume: 15, P: 1-12

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Rhodoliths can act as daily resolution paleotemperature archives in the Red Sea

Crustose coralline algae biomineral-bound nitrogen isotopes provide a baseline to reconstruct coral trophic strategies

Multicentennial record of Labrador Sea primary productivity and sea-ice variability archived in coralline algal barium

The role of chitin-rich skeletal organic matrix on the crystallization of calcium carbonate in the crustose coralline alga Leptophytum foecundum

First evidence of chitin in calcified coralline algae: new insights into the calcification process of Clathromorphum compactum

Delayed onset of ocean acidification in the Gulf of Maine

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Rhodoliths can act as daily resolution paleotemperature archives in the Red Sea

Crustose coralline algae biomineral-bound nitrogen isotopes provide a baseline to reconstruct coral trophic strategies

Multicentennial record of Labrador Sea primary productivity and sea-ice variability archived in coralline algal barium

The role of chitin-rich skeletal organic matrix on the crystallization of calcium carbonate in the crustose coralline alga Leptophytum foecundum

First evidence of chitin in calcified coralline algae: new insights into the calcification process of Clathromorphum compactum

Delayed onset of ocean acidification in the Gulf of Maine

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