Long-term dynamics of a Cladocora caespitosa bank as recorded by a Posidonia oceanica millenary archive

Monnier, Briac; Lehmann, Léa; Sartoretto, Stéphane; Pergent-Martinì, Christine; Pergent, Gérard

doi:10.1016/j.ecss.2021.107378

Cited by 3 publications

(1 citation statement)

References 74 publications

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“…This soil organic structure reaching several meters in height is mainly composed of living and dead rhizomes and roots, with the interstices filled with sediment (Boudouresque and Jeudy de Grissac, 1983). The carbon stocks can remain buried over millennia and have been valued between 40 and 770 kg C org m − 2 (Serrano et al, 2012c;Monnier et al, 2021aMonnier et al, , 2022. The area covered by P. oceanica in coastal areas is estimated between 22 000 and 23 000 km 2 (Pergent-Martini et al, 2020;Traganos et al, 2022), making it one of the most important carbon sinks of the Mediterranean Sea (Pergent et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

A multi-approach inventory of the blue carbon stocks of Posidonia oceanica seagrass meadows: Large scale application in Calvi Bay (Corsica, NW Mediterranean)

Leduc¹,

Abadie²,

Viala³

et al. 2023

Marine Environmental Research

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Section: Introductionmentioning

confidence: 99%

A multi-approach inventory of the blue carbon stocks of Posidonia oceanica seagrass meadows: Large scale application in Calvi Bay (Corsica, NW Mediterranean)

Leduc¹,

Abadie²,

Viala³

et al. 2023

Marine Environmental Research

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Sedimentary Organic Carbon and Nitrogen Sequestration Across a Vertical Gradient on a Temperate Wetland Seascape Including Salt Marshes, Seagrass Meadows and Rhizophytic Macroalgae Beds

et al. 2022

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Coastal wetlands are key in regulating coastal carbon and nitrogen dynamics and contribute significantly to climate change mitigation and anthropogenic nutrient reduction. We investigated organic carbon (OC) and total nitrogen (TN) stocks and burial rates at four adjacent vegetated coastal habitats across the seascape elevation gradient of Ca ´diz Bay (South Spain), including one species of salt marsh, two of seagrasses, and a macroalgae. OC and TN stocks in the upper 1 m sediment layer were higher at the subtidal seagrass Cymodocea nodosa (72.3 Mg OC ha -1 , 8.6 Mg TN ha -1 ) followed by the upper intertidal salt marsh Sporobolus maritimus (66.5 Mg OC ha -1 , 5.9 Mg TN ha -1 ), the subtidal rhizophytic macroalgae Caulerpa prolifera (62.2 Mg OC ha -1 , 7.2 Mg TN ha -1 ), and the lower intertidal seagrass Zostera noltei (52.8 Mg OC ha -1 , 5.2 Mg TN ha -1 ). The sedimentation rates increased from lower to higher elevation, from the intertidal salt marsh (0.24 g cm -2 y -1 ) to the subtidal macroalgae (0.12 g cm -2 y -1 ). The organic carbon burial rate was highest at the intertidal salt marsh (91 ± 31 g OC m -2 y -1 ), followed by the intertidal seagrass, (44 ± 15 g OC m -2 y -1 ), the subtidal seagrass (39 ± 6 g OC m -2 y -1 ), and the subtidal macroalgae (28 ± 4 g OC m -2 y -1 ). Total nitrogen burial rates were similar among the three lower vegetation types, ranging from 5 ± 2 to 3 ± 1 g TN m -2 y -1 , and peaked at S. maritimus salt marsh with 7 ± 1 g TN m -2 y -1 . The contribution

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Quantification of blue carbon stocks associated with Posidonia oceanica seagrass meadows in Corsica (NW Mediterranean)

Monnier

Pergent

Clabaut³

et al. 2022

Science of The Total Environment

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Long-term dynamics of a Cladocora caespitosa bank as recorded by a Posidonia oceanica millenary archive

Cited by 3 publications

References 74 publications

A multi-approach inventory of the blue carbon stocks of Posidonia oceanica seagrass meadows: Large scale application in Calvi Bay (Corsica, NW Mediterranean)

A multi-approach inventory of the blue carbon stocks of Posidonia oceanica seagrass meadows: Large scale application in Calvi Bay (Corsica, NW Mediterranean)

Sedimentary Organic Carbon and Nitrogen Sequestration Across a Vertical Gradient on a Temperate Wetland Seascape Including Salt Marshes, Seagrass Meadows and Rhizophytic Macroalgae Beds

Quantification of blue carbon stocks associated with Posidonia oceanica seagrass meadows in Corsica (NW Mediterranean)

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