Heterotrophic activity in the mauritanian upwelling in march 1973 : assimilation and mineralization of amino acids Upwelling ecosystems /Herbland, Alain PRODUCTION BIOLOGIQUE ACTIVITE BIOLOGIQUE BACTERIE CHLOROPHYLLE NITRATE OXYGENE DISSOUS PHOSPHORE ORGANIQUE AMMONIUM EXCRETION PHYTOPLANCTON VARIATION SPATIALE VARIATION TEMPORELLE RYTHME NYCTHEMERAL UPWELLING ACTIVITE HETEROTROPHE Springer-Verlag Boje, R. (ed.) Tomczak, M. (ed.) 1978 text https://www.documentation.ird.fr/hor/fdi:09981 fdi:09981 Herbland Alain, . Heterotrophic activity in the mauritanian upwelling in march 1973 : assimilation and mineralization of amino acids. In : Boje R. (ed.), Tomczak M. (ed.), . Upwelling ecosystems Springer-Verlag, 1978, 155-166 EN MAURITANIE