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

Clearance rates of freshwater bivalves Corbicula fluminea and Utterbackia imbecillis in the... 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquatic Ecology Springer Journals

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

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References (34)

Publisher
Springer Journals
Copyright
Copyright © Springer Nature B.V. 2020
ISSN
1386-2588
eISSN
1573-5125
DOI
10.1007/s10452-020-09793-7
Publisher site
See Article on Publisher Site

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.

Journal

Aquatic EcologySpringer Journals

Published: Dec 31, 2020

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