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Properties of the dynamics of intertidal microphytobenthic biomass

  • G.F. Blanchard (a1), B. Simon-Bouhet (a1) and J.-M. Guarini (a2)

Abstract

The short-term variability of intertidal microphytobenthic biomass was characterized by analysing a 30-day time series encompassing two spring–neap tide cycles. Chlorophyll-a concentration was measured every day at the beginning and at the end of every diurnal exposure periods. Microalgal biomass exhibited predictible net increases during diurnal exposures due to a positive production-loss balance. In addition, our data series shows that after an environmental disturbance, even though biomass decreased strongly, it converged quickly back to its initial steady-state oscillation pattern. This study supports some fundamental properties of the dynamics of microphytobenthic biomass, as previously predicted in our mathematical model of primary production.

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Properties of the dynamics of intertidal microphytobenthic biomass

  • G.F. Blanchard (a1), B. Simon-Bouhet (a1) and J.-M. Guarini (a2)

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