Coscinodiscus wailesii mutes unsteady sinking in dark conditions-Reference-Cited by-同舟云学术

Coscinodiscus wailesii mutes unsteady sinking in dark conditions

Published:2019-03 Issue:3 Volume:15 Page:20180816
ISSN:1744-9561
Container-title:Biology Letters
language:en
Short-container-title:Biol. Lett.

Author:

Du Clos Kevin T.¹²^ORCID,Karp-Boss Lee³,Villareal Tracy A.²,Gemmell Brad J.¹^ORCID

Affiliation:

1. Department of Integrative Biology, University of South Florida, Tampa, FL 33620, USA

2. Marine Science Institute, University of Texas at Austin, Port Aransas, TX 78373, USA

3. School of Marine Sciences, University of Maine, Orono, ME 04473, USA

Abstract

Several species of large, centric diatoms exhibit an unsteady sinking behaviour characterized by order-of-magnitude oscillations in sinking speed that occur over seconds. We show that under nutrient-depleted conditions, Coscinodiscus wailesii exhibits significantly stronger unsteady sinking behaviour in the light than in the dark. Results suggest that regulating unsteady sinking in response to irradiance as well as nutrient conditions may help C. wailesii balance its requirements for light and nutrients, which are often spatially separated.

Funder

Division of Ocean Sciences

Publisher

The Royal Society

Subject

General Agricultural and Biological Sciences,Agricultural and Biological Sciences (miscellaneous)

Link

https://royalsocietypublishing.org/doi/pdf/10.1098/rsbl.2018.0816

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