Characterization of soils beneath a Posidonia oceanica meadow

The study of a 475cm core (spanning 4316 y BP) sampled in a Posidonia oceanica meadow (Portlligat Bay, NW Mediterranean) allowed us to make the first detailed description of the soil below this endemic seagrass. The sediments under P. oceanica (often referred to as mat or matte) are low density (ave...

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Bibliographic Details
Published in:Geoderma 2012-09, Vol.185-186, p.26-36
Main Authors: Serrano, O., Mateo, M.A., Renom, P., Julià, R.
Format: Article
Language:English
Subjects:
Biogeochemical sink
Carbon
Carbonate
Coastal
Density
Marine
Marine sediments
Mats
Mediterranean Sea
Organic matter
Raw materials
Seagrass
Sediments
Soils
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Summary:The study of a 475cm core (spanning 4316 y BP) sampled in a Posidonia oceanica meadow (Portlligat Bay, NW Mediterranean) allowed us to make the first detailed description of the soil below this endemic seagrass. The sediments under P. oceanica (often referred to as mat or matte) are low density (average bulk density of 0.69gDWcm−3) marine soils mainly composed of siliciclastic (46%) and biogenic carbonated (46%) fine-grained sediments (particles 1mm) and finer organic matter (3% of SOM;
ISSN:0016-7061
1872-6259
DOI:10.1016/j.geoderma.2012.03.020