Morphology and Settling Velocity of Sea Stars (Asterias rubens)-Reference-Cited by-同舟云学术

Morphology and Settling Velocity of Sea Stars (Asterias rubens)

Published:2023-01-31 Issue:2 Volume:11 Page:296
ISSN:2077-1312
Container-title:Journal of Marine Science and Engineering
language:en
Short-container-title:JMSE

Author:

Burgaard Karen B.¹^ORCID,Carstensen Stefan²,Fuhrman David R.²^ORCID,Saurel Camille³,O’Neill Finbarr G.¹

Affiliation:

1. Section for Fisheries Technology, National Institute of Aquatic Resources, Technical University of Denmark, 9850 Hirtshals, Denmark

2. Section for Fluid Mechanics, Coastal and Maritime Engineering, Department of Civil and Mechanical Engineering, Technical University of Denmark, 2800 Kongens Lyngby, Denmark

3. Section for Coastal Ecology, Danish Shellfish Centre, National Institute of Aquatic Resources, Technical University of Denmark, 7900 Nykøbing, Denmark

Abstract

This study presents morphological data and estimates of the settling velocity and drag coefficient of sea stars (Asterias rubens) caught in the Limfjord, Denmark. A geometric model describing the sea star is presented and the thickness and arm width are determined as linear functions of arm length. The volume and mass of the sea stars is well predicted by the geometric model and is in agreement with the experimental measurements. The mean sea star density is determined to be 1095 kg/m3, the mean drag coefficient is estimated to be 2.3 and the settling velocity is shown to vary with the square root of the its size.

Funder

European Fisheries Fund

GUDP

Publisher

MDPI AG

Subject

Ocean Engineering,Water Science and Technology,Civil and Structural Engineering

Link

https://www.mdpi.com/2077-1312/11/2/296/pdf

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