| Registro completo |
| Provedor de dados: |
ArchiMer
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| País: |
France
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| Título: |
Symbolic Analysis of Plankton Swimming Trajectories: Case Study of Strobilidium sp. (Protista) Helical Walking under Various Food Conditions
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| Autores: |
Vandromme, Pieter
Schmitt, François G.
Souissi, Sami
Buskey, Edward J.
Strickler, J. Rudi
Wu, Cheng-han
Hwang, Jiang-shiou
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| Data: |
2010-08-20
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| Ano: |
2010
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| Palavras-chave: |
Protista
Plankton behavior
Swimming states
Symbolic dynamics
Simulation
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| Resumo: |
The swimming behavior of the ciliate Strobilidium sp. was recorded using cinematographic techniques. A density of 20 ciliates/ml was used under 4 experimental food conditions: 121, 625, 3025, and 15,125 cells/ml of the dinoflagellate Gymnodinium sp. In total, 100 trajectories per experiment were recorded and analyzed. We classified this ciliate’s swimming trajectories into categories we called “helix”, “non-helix”, and “break”. These swimming states were identified using automated recognition of helices, based on values of swimming trajectory angles. We performed a symbolic analysis of the succession of swimming states which enabled discrimination between food concentration experiments, and provided a more-complete characterization of the swimming behavior. We found that helical swimming patterns first increased with food concentration then decreased with a corresponding increase in the numbers of breaks. Non-helical motions were related to high food concentrations. We further used these results to simulate a ciliate’s trajectories using a symbolic dynamic model to generate a sequence series. Helices were reconstructed using a model with 2 inputs: amplitude and period. This study shows that a methodology developed to describe copepod behavior can also be applied to characterize and simulate ciliate helical and non-helical swimming dynamics.
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| Tipo: |
Text
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| Idioma: |
Inglês
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| Identificador: |
http://archimer.ifremer.fr/doc/00070/18171/15730.pdf
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| Editor: |
Biodiversity Research Center, Academia Sinica
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| Relação: |
http://archimer.ifremer.fr/doc/00070/18171/
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| Formato: |
application/pdf
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| Fonte: |
Zoological Studies (1021-5506) (Biodiversity Research Center, Academia Sinica), 2010-08-20 , Vol. 49 , N. 3 , P. 289-303
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| Direitos: |
2010 Biodiversity Research Center, Academia Sinica
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