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

TY - JOUR

T1 - Selective grazing by adults and larvae of the zebra mussel (Dreissena polymorpha): application of flow cytometry to natural seston

AU - Pires, L.M.D.

AU - Jonker, R.M.

AU - Van Donk, E.

AU - Laanbroek, H.J.

N1 - Reporting year: 2004 Metis note: 3251; CL; AFW ; MWE ; AqE; ME file:///L:\EndnoteDatabases\NIOOPUB\pdfs\Pdfs2004\DionisioPires_ea_3251.pdf

PY - 2004

Y1 - 2004

N2 - 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

AB - 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

U2 - 10.1046/j.1365-2426.2003.01173.x

DO - 10.1046/j.1365-2426.2003.01173.x

M3 - Article

SN - 0046-5070

VL - 49

SP - 116

EP - 126

JO - Freshwater Biology

JF - Freshwater Biology

IS - 1

ER -