Articles | Volume 18, issue 7
Biogeosciences, 18, 2301–2323, 2021
https://doi.org/10.5194/bg-18-2301-2021

Special issue: Atmospheric deposition in the low-nutrient-low-chlorophyll...

Biogeosciences, 18, 2301–2323, 2021
https://doi.org/10.5194/bg-18-2301-2021

Research article 09 Apr 2021

Research article | 09 Apr 2021

Spatial patterns of ectoenzymatic kinetics in relation to biogeochemical properties in the Mediterranean Sea and the concentration of the fluorogenic substrate used

France Van Wambeke et al.

Data sets

Biogeochemical dataset collected during the PEACETIME cruise C. Guieu, K. Desboeufs, S. Albani, et al. https://www.seanoe.org/data/00645/75747/

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Short summary
Michaelis–Menten kinetics were determined for alkaline phosphatase, aminopeptidase and β-glucosidase in the Mediterranean Sea. Although the ectoenzymatic-hydrolysis contribution to heterotrophic prokaryotic needs was high in terms of N, it was low in terms of C. This study points out the biases in interpretation of the relative differences in activities among the three tested enzymes in regard to the choice of added concentrations of fluorogenic substrates.
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