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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Biofizika / Biophysics (N011)
Author(s): Venslauskas, Mindaugas Saulius;Ašmantas, Šarūnas
Title: Nonlinear oscillations in marine hydroids
Is part of: CHAOS : an interdisciplinary journal of nonlinear science. Melville : American Institute of Physics (AIP), 2003, Vol. 13, iss. 2
Extent: p. 552-557
Date: 2003
Keywords: Netiesiniai svyravimai;Gyvūnų kolonija;Chaosas gyvūnų elgsenoje;Chaos in animal behaviour;Nonlinear oscillations
Abstract: Irregular oscillations in a colony of marine hydroids Podocoryne carnea were investigated. Quantitative characteristics were obtained as a result of long term (10–12 h) monitoring of oscillations at arbitrary sites. The sliding window spectra as well as the pulse-to-pulse dynamics argue the transient chaotic behavior of hydroid colony. The significant change of amplitudes and frequencies in intact colony oscillations after feeding and long sustained oscillations of stolons separated from colony suggest that the irregular activity could be determined by the network of pacemakers residing in stolon wall cells. These are influenced mechanically by the amount of digesting food and/or by chemical action of nutrients inside the stolon lumen. The possible correlation of these oscillations which can evoke Ca2+ waves in stolon wall cells is discussed
Affiliation(s): Gamtos mokslų fakultetas
Vytauto Didžiojo universitetas
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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