Abstract
In this study, we measured the non-specific zooplanktonic phosphate activity inside and outside Toulon bay. These activities were compared in relation to substrate and hosphate concentrations, pH and sea water composition. Great differences were observed between the two sites. Phosphatase activities were higher inside Toulon bay, where high Zooplankton density and high protein concentrations were observed. Concerning enzyme activities, the intersite differences increased at the lowest substrate concentrations. Moreover, Zooplankton alkaline phosphatase activity showed a good adaptation to the natural medium conditions (pHs and ionic strength) and is likely directly liberated to the water, where it contributes to an enrichment in mineral phosphorus from organic material.
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Jamet, D., Boge, G. (1998). Characterisation of marine zooplankton alkaline phosphatase activity in relation to water quality. In: Amiard, JC., Le Rouzic, B., Berthet, B., Bertru, G. (eds) Oceans, Rivers and Lakes: Energy and Substance Transfers at Interfaces. Developments in Hydrobiology, vol 131. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5266-2_24
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DOI: https://doi.org/10.1007/978-94-011-5266-2_24
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