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Manganese, iron and phosphorus cycling in an estuarine mudflat, Loire, France

1. Introduction
2. Materials andmethods
2.1. Study site
2.2. Sampling strategy
2.3. Solid extraction and analyses
2.4. Pore water analyses
2.5. 210Pb counting
2.6. Production rate and stock calculations
3. Results
3.1. Integrative physical and chemical parameters
3.2. Mn, Fe and P distribution over 3 years
3.3. Mn, Fe and P during the April survey
3.4. Overall transformation of reactive oxides stocks
4. Discussion
4.1. Flood deposition
4.2. Transient diagenesis
4.3. Impact of fauna
4.4. Yearly budget of reactive Fe, Mn
4.5. Phosphorus dynamics
5. Conclusions
Acknowledgements
References