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Carbon-to-chlorophyll ratio and growth rate of phytoplankton in the sea
Sathyendranath, S.; Stuart, V.; Nair, A.; Oka, K.; Nakane, T.; Bouman, H.; Forget, M.-H.; Maass, H.; Platt, T. (2009). Carbon-to-chlorophyll ratio and growth rate of phytoplankton in the sea. Mar. Ecol. Prog. Ser. 383: 73-84. dx.doi.org/10.3354/meps07998
In: Marine Ecology Progress Series. Inter-Research: Oldendorf. ISSN 0171-8630, more
Peer reviewed article

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Keywords
    Growth rate; Ocean color; Photosynthesis; Phytoplankton; Remote sensing; Marine

Authors  Top 
  • Sathyendranath, S.
  • Stuart, V.
  • Nair, A.
  • Oka, K.
  • Nakane, T.
  • Bouman, H.
  • Forget, M.-H.
  • Maass, H.
  • Platt, T.

Abstract
    Observations from offshore regions (NW Atlantic and Arabian Sea) and from a semienclosed bay (Tokyo Bay) were used to study the relationships between chlorophyll and particulate carbon in the sea. A simple conceptual model was then developed to infer in situ phytoplankton carbon as a function of chlorophyll a. This allowed indirect estimates of the carbon-to-chlorophyll ratio of phytoplankton in the sea. Using data from high-performance liquid chromatography, and their carbon-to-chlorophyll ratios were established. The computations yielded conservative estimates for the ratio the carbon-to-chlorophyll ratios in the NW Atlantic. Since methods were already in place to estimate photosynthesis-irradiance parameters for the region by remote sensing (Platt et al. 2008), we showed that it was method makes it possible to compute primary production by using either carbon-based growth models or photosynthesis-irradiance models in ways that are fully comparable with each other.

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