KNAW Repository

Selective grazing by adults and larvae of the zebra mussel (Dreissena polymorpha): application of flow cytometry to natural seston

Pires, L.M.D. and Jonker, R.M. and Van Donk, E. and Laanbroek, H.J. (2004) Selective grazing by adults and larvae of the zebra mussel (Dreissena polymorpha): application of flow cytometry to natural seston. Freshwater Biology, 49, 116-126. ISSN 0046-5070.

[img]PDF - Published Version
Restricted to KNAW only

154Kb

Official URL: http://dx.doi.org/10.1046/j.1365-2426.2003.01173.x

Abstract

1. Selective grazing of adults and larvae of the zebra mussel (Dreissena polymorpha) on phytoplankton and detritus from both laboratory cultures and natural seston was quantified using flow cytometry. 2. Mean clearance rate of adult zebra mussels was higher on a mixture of the green alga Scenedesmus and the cyanobacterium Microcystis than when Scenedesmus was offered as single food, suggesting selective feeding by the mussels. 3. Feeding on lake seston both adults and larvae showed a higher clearance rate on phytoplankton than on detritus particles, suggesting that zebra mussels select for phytoplankton. Furthermore, it was noted that adults preferred seston particles in the 0-1 and 30-100 m size ranges. 4. In our study, zebra mussels did not discriminate against cyanobacteria, and our results indicate that they may even ingest them preferentially

Item Type:Article
Institutes:Nederlands Instituut voor Ecologie (NIOO)
ID Code:12149
Deposited On:23 Nov 2011 01:00
Last Modified:31 Mar 2014 11:07

Repository Staff Only: item control page