nutriment (2) affluent (2) Mer noire (2) Rich people (2) Water (2) Black Sea (2) Black (2) noir (2) région (1) phosphore (1) phosphate (1) oxydation (1) nitrate (1) débit (1) comparaison (1) matière organique (1) haute mer (1) Comparison (1) Composition (1) Oxidation (1) Stoichiometry (1) Origin (1) Year (1) Winter (1) Values (1) Summer (1) Straits (1) Seston (1) Portages (1) Phosphorus (1)