Spring molybdenum enrichment in scallop shells: a potential tracer of diatom productivity in temperate coastal environments (Brittany, NW France)

Skeletal molybdenum/calcium ([Mo]/[Ca])shell ratios were examined in shells of the Great Scallop Pecten maximus collected in temperate coastal environments of Western Europe (42 to 49° N). These ratios were determined by quantitative LA-ICP-MS analyses of daily striae taken every third day (i.e. a t...

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Bibliographic Details
Published in:Biogeosciences 2010-01, Vol.7 (1), p.233-245
Main Authors: Barats, A., Amouroux, D., Pécheyran, C., Chauvaud, L., Thébault, J., Donard, O. F. X.
Format: Article
Language:English
Subjects:
Bacillariophyceae
Earth Sciences
Marine
Oceanography
Pecten maximus
Sciences of the Universe
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Summary:Skeletal molybdenum/calcium ([Mo]/[Ca])shell ratios were examined in shells of the Great Scallop Pecten maximus collected in temperate coastal environments of Western Europe (42 to 49° N). These ratios were determined by quantitative LA-ICP-MS analyses of daily striae taken every third day (i.e. a temporal resolution of 3 days) in 36 flat valves (2-years old; 3 shells/year). Variations of ([Mo]/[Ca])shell ratios were significant and reproducible for scallops from the same population, from different years (1998–2004) and temperate coastal locations (NW France). The [Mo]/[Ca])shell ratios exhibit typical profiles characterized by a background content, below the detection limit for this method (
ISSN:1726-4189
1726-4170
1726-4189
DOI:10.5194/bg-7-233-2010