Length- and weight-dependent clearance rates of juvenile mussels (Mytilus edulis) on various planktonic prey items.

P. Jacobs, K. Troost, R. Riegman, J. van der Meer

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Filtration capacity and feeding behaviour has been intensely studied for adult mussels (Mytilus edulis), but less information is available for juvenile mussels (1.5–25 mm, <1 year), especially in natural sea water. The recent introduction of mussel seed collectors in the Netherlands prompted the need for more detailed information on juvenile mussel behaviour. To estimate the impact of juvenile populations on ecosystem carrying capacity, information on clearance rate as well as usage of different prey items is essential. Clearance rates were measured in an experimental study, incubating juvenile mussels in natural sea water. Rates were related to isometrics as well as specified for the prey items bacteria, picophytoplankton (<3 μm), nanophytoplankton (3–20 μm), and ciliates. Results showed that the clearance rate of juvenile mussels depends on shell length
Original languageEnglish
Article number1
Pages (from-to)101-112
JournalHelgoland Marine Research
Issue number69
DOIs
Publication statusPublished - 2015

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