Contribution of benthic microalgae to ice covered coastal ecosystems in northern Hokkaido, Japan

Benthic microalgal communities usually make a major contribution to the primary production of estuaries and shallow seas. Pulse amplitude modulation (PAM) fluorometry was used to investigate the contribution of benthic microalgae to the primary production of the Okhotsk Sea coast and Saroma Ko Lagoo...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom
Main Authors: McMinn, A., Hirawake, T., Hamaoka, T., Hattori, H., Fukuchi, M.
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge University Press (CUP) 2005
Subjects:
Okhotsk
ice algae
okhotsk sea
Sea ice
Online Access:http://dx.doi.org/10.1017/s0025315405011173h
https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0025315405011173
Description
Summary:Benthic microalgal communities usually make a major contribution to the primary production of estuaries and shallow seas. Pulse amplitude modulation (PAM) fluorometry was used to investigate the contribution of benthic microalgae to the primary production of the Okhotsk Sea coast and Saroma Ko Lagoon in northern Hokkaido. In general the benthic communities had a relatively high biomass but low photosynthetic activity. This led to estimates of 29·2% and 64·5% for the benthic contributions for the 9 m and 3 m depth sites at Mombetsu and 13·1% for Saroma Ko. Sea ice algae provided the greatest contribution at Saroma Ko.

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