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An idealized model of interaction between fronds of the large seaweed Durvillaea antarctica


Stevens, CL and Hurd, CL and Smith, MJ, An idealized model of interaction between fronds of the large seaweed Durvillaea antarctica, Journal of Marine Systems, August 2004, pp. 145-156. ISSN 0924-7963 (2004) [Refereed Conference Paper]

Copyright Statement

Copyright 2004 Elsevier B.V.

DOI: doi:10.1016/j.jmarsys.2003.05.009


The effect of interactions between individual fronds in a bed of the large intertidal seaweed Durvillaea antarctica, when forced by breaking waves, is studied using a computational model. The model simulates the response of a seaweed bed using a sequence of connected oscillators which are excited by a propagating forcing function representing a breaking ocean wave. Two new facets of the interplay between seaweeds and hydrodynamics are considered: (i) wave forcing due to breaking waves is often not sinusoidal in the rocky intertidal zone and (ii) a frond interaction term is included. The addition of frond interaction reduces the maximum loading on individuals within the bed by around 30% using estimated biomechanical parameters. The rate of change of the loading on the holdfast (equivalent to the ‘‘jerk’’) is affected in a similar or greater fashion.

Item Details

Item Type:Refereed Conference Paper
Keywords:seaweed, Durvillaea, biomechanics, wave action, modelling
Research Division:Environmental Sciences
Research Group:Climate change impacts and adaptation
Research Field:Climate change impacts and adaptation not elsewhere classified
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the biological sciences
UTAS Author:Hurd, CL (Professor Catriona Hurd)
ID Code:93178
Year Published:2004
Web of Science® Times Cited:6
Deposited By:IMAS Research and Education Centre
Deposited On:2014-07-15
Last Modified:2014-08-07

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