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Clearance rates of freshwater bivalves Corbicula fluminea and Utterbackia imbecillis in the presence and absence of light

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Abstract

Light affects bivalve behavior and gaping activity, but its potential effects on bivalve filtration remain poorly investigated. In this study, clearance rates of two bivalve species: the Asian clam, Corbicula fluminea and the paper pondshell, Utterbackia imbecillis, were assessed in light (6.5 ± 0.5 µmol m−2 s−1) and dark (0.0 µmol m−2 s−1) conditions. We found that clearance rates remained similar between C. fluminea (50 ± 18 mL g−1 h−1) and U. imbecillis (41 ± 10 mL g−1 h−1) during light conditions. However, C. fluminea (110 ± 15 mL g−1 h−1) filtered significantly faster than U. imbecillis (24 ± 6 mL g−1 h−1) in the dark condition (p < 0.05). The results indicated that light might affect the filtration activity in freshwater bivalves differently, depending on species.

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Acknowledgements

This work was funded by the US Department of Energy’s Oak Ridge Office of Environmental Management (ORO-DOE) and URS CH2M Oak Ridge LLC (UCOR) and is a product of ORNL’s Mercury Remediation Technology Development Program. Special thanks to David Sims, Allison Fortner, Michael Jones, Trent Jett, and Nikki Jones for assistance with field collections of bivalves.

Funding

This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (https://energy.gov/downloads/doe-public-access-plan).

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ADH planned and conducted experiments, supervised by TJM. DH helped provide advice and U. imbecillis. ADH and SP analysed data, conducted statistical analysis, and wrote the paper. DH and TJM helped revise writing.

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Correspondence to Teresa J. Mathews.

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Authors declare no conflict of interest.

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Data will be available upon request.

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Handling Editor: Télesphore Sime-Ngando.

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Hills, A., Pouil, S., Hua, D. et al. Clearance rates of freshwater bivalves Corbicula fluminea and Utterbackia imbecillis in the presence and absence of light. Aquat Ecol 54, 1059–1066 (2020). https://doi.org/10.1007/s10452-020-09793-7

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  • DOI: https://doi.org/10.1007/s10452-020-09793-7

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