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- Title
Combined Effects of Temperature and the Microcystin MC-LR on the Feeding Behavior of the Rotifer Brachionus calyciflorus.
- Authors
Xiang, Xian-Ling; Wen, Xin-Li; Xi, Yi-Long; Chen, Ying-Ying; Xu, Qiu-Lei; Zhu, Ling-Yun
- Abstract
The aim of this study was to investigate the responses in filtration and grazing rates of five rotifer strains of the species Brachionus calyciflorus under different temperatures and MC-LR concentrations. The results showed that strain identity, MC-LR concentration, temperature, and the interactions of these factors significantly affected both response variables, with the exception of the interaction of strain and MC-LR on the grazing rates. At low MC-LR concentrations and for the control group, the filtration and grazing rates increased with increasing temperature. The filtering and grazing rates of B. calyciflorus exposed to higher MC-LR concentrations, however, showed no evident enhancement with increasing of temperature. At high temperatures, the filtration and grazing rates of all rotifer strains decreased significantly with increasing concentration of MC-LR, however B. calyciflorus exhibited a refractory stability in the presence of increased MC-LR levels at lower temperatures.
- Subjects
MICROCYSTINS; ROTIFERA; BRACHIONUS; TEMPERATURE; FOOD chains
- Publication
Bulletin of Environmental Contamination & Toxicology, 2017, Vol 99, Issue 4, p493
- ISSN
0007-4861
- Publication type
Article
- DOI
10.1007/s00128-017-2172-9