Article ; Online ; Research data: (with research data) Intoxicated copepods: ingesting toxic phytoplankton leads to risky behaviour.
Proceedings. Biological sciences
2016 Volume 283, Issue 1829
Abstract: ... altered copepod swimming behaviour without affecting copepod survival or fitness. A. fundyense caused T ... to determine how ingesting HAB species alters grazer behaviour as this can have significant impacts on the fate ... longicornis to increase their swimming speed, and the straightness of their path long after the copepods had ...
| Abstract | Understanding interactions between harmful algal bloom (HAB) species and their grazers is essential for determining mechanisms of bloom proliferation and termination. We exposed the common calanoid copepod, Temora longicornis to the HAB species Alexandrium fundyense and examined effects on copepod survival, ingestion, egg production and swimming behaviour. A. fundyense was readily ingested by T. longicornis and significantly altered copepod swimming behaviour without affecting copepod survival or fitness. A. fundyense caused T. longicornis to increase their swimming speed, and the straightness of their path long after the copepods had been removed from the A. fundyense treatment. Models suggest that these changes could lead to a 25-56% increase in encounter frequency between copepods and their predators. This work highlights the need to determine how ingesting HAB species alters grazer behaviour as this can have significant impacts on the fate of HAB toxins in marine systems. |
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| MeSH term(s) | Animals ; Behavior, Animal/drug effects ; Behavior, Animal/physiology ; Copepoda/drug effects ; Copepoda/microbiology ; Copepoda/physiology ; Dinoflagellida/pathogenicity ; Ecosystem ; Food Chain ; Harmful Algal Bloom ; Host-Pathogen Interactions ; Models, Biological ; Neurotoxins/analysis ; Neurotoxins/toxicity ; Phytoplankton/pathogenicity ; Swimming | |||||
| Chemical Substances | Neurotoxins | |||||
| Language | English | |||||
| Publishing date | 2016--27 | |||||
| Publishing country | England | |||||
| Document type | Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. | |||||
| ZDB-ID | 209242-6 | |||||
| ISSN | 1471-2954 ; 0080-4649 ; 0962-8452 ; 0950-1193 ; 0080-4649 ; 0962-8452 ; 0950-1193 | |||||
| ISSN (online) | 1471-2954 | |||||
| ISSN | 0080-4649 ; 0962-8452 ; 0950-1193 | |||||
| DOI | 10.1098/rspb.2016.0176 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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