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Effects of physical gradients on the production dynamics of sediment-associated algae

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https://ir.library.oregonstate.edu/concern/articles/9g54xj20s

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  • Sediment-associated microalgal biomass expressed as chlorophyll a concentration, total organic matter concentration expressed as ash-free dry weight, and hourly rates of net community primary production and community oxygen consumption were measured at monthly intervales at medium sand, fine sand, and silt sites between 0.5 and 2.0 m above MLLW during an entire year at Netarts Bay, Oregon, USA. Estimated mean annual rates of net primary production were 38 g C m super(-2) in sand, 53 g C m super(-2) in fine sand, and 21 g C m super(-2) in silt. The authors tested the hypotheses that benthic algal primary production dynamics were controlled by sediment type, tidal height, and season. Results show that there is a relationship between these physical factors and benthic algal production dynamics.
  • Keywords: phytobenthos, sediment texture, biomass, algae, Netarts Bay\, Oregon\, USA
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  • Davis, M. W., & McIntire, C. D. (1983, August 30). Effects of physical gradients on the production dynamics of sediment-associated algae. Marine Ecology Progress Series, 13, 103-114.
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  • 13
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  • This research was supported by a grant from the United States Environmental Protection Agency, No. R806780 to C. David McIntire. Partial support during preparation of this manuscript was given to M. W. Davis by a Postdoctoral Fellowship from Harbor Branch Institution.
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