Evaluation of adult white sturgeon swimming capabilities and applications to fishway design
Identifieur interne : 000207 ( PascalFrancis/Checkpoint ); précédent : 000206; suivant : 000208Evaluation of adult white sturgeon swimming capabilities and applications to fishway design
Auteurs : TAE SUNG CHEONG [États-Unis] ; M. L. Kavvas [États-Unis] ; E. K. Anderson [États-Unis]Source :
- Environmental biology of fishes [ 0378-1909 ] ; 2006.
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Abstract
Concern over passage of sturgeon barriers, has focused attention on fishway design that accommodates its swimming performance. In order to evaluate swimming performance, regarding fish ladder type partial barriers, wild adult sturgeons, Acipenser transmontanus; 121-176 cm fork length, were captured in the San Francisco Bay Estuary and Yolo Bypass toe drain. Hydrodynamic forces and kinematic parameters for swimming performance data were collected in a laboratory flume under three flow conditions through barriers and ramp. The experiments were conducted in a 24.4 m long, 2.1 m wide, and 1.62 m deep aluminum channel. Two geometric configurations of the laboratory model were designed based on channel characteristics that have been identified in natural river systems. At a given swimming speed and fish size, the highest guidance efficiencies of successful white sturgeon passage as a function of flow depth, flow velocity, turbulence intensity, Reynolds number, Froude number and shear velocity observed in the steady flow condition, tested with the horizontal ramp structure, occurred at an approach velocity of 0.33 ms-1. The guidance efficiency of successful sturgeon passage increased both with increasing flow velocity and Froude number, and decreased both with the flow depth and the turbulence intensity. This study also provides evidence that tail beat frequency increases significantly with swimming speed, but tail beat frequency decreases with fish total length. Stride length increases both with swimming speed and fish total length. The importance of unsteady forces is expressed by the reduced frequency both with swimming speed and fish total length. Regression analysis indicates that swimming kinematic variables are explained by the swimming speed, the reduced frequency and the fish total length. The results emphasize the importance of fish ladder type patchiness when a fishway is designed for the passage of sturgeon.
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Amorocho Hydraulics Laboratory, Department of Civil & Environmental Engineering, University of California, Davis</s1><s2>Davis, CA 95616</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Environmental biology of fishes</title><title level="j" type="abbreviated">Environ. biol. fishes</title><idno type="ISSN">0378-1909</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental biology of fishes</title><title level="j" type="abbreviated">Environ. biol. fishes</title><idno type="ISSN">0378-1909</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser transmontanus</term><term>Fishpass</term><term>Hydrodynamics</term><term>Laboratory</term><term>Laboratory study</term><term>Performance</term><term>Pisces</term><term>Swimming</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Nage</term><term>Passage poisson</term><term>Performance</term><term>Hydrodynamique</term><term>Laboratoire</term><term>Etude en laboratoire</term><term>Pisces</term><term>Acipenser transmontanus</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Concern over passage of sturgeon barriers, has focused attention on fishway design that accommodates its swimming performance. In order to evaluate swimming performance, regarding fish ladder type partial barriers, wild adult sturgeons, Acipenser transmontanus; 121-176 cm fork length, were captured in the San Francisco Bay Estuary and Yolo Bypass toe drain. Hydrodynamic forces and kinematic parameters for swimming performance data were collected in a laboratory flume under three flow conditions through barriers and ramp. The experiments were conducted in a 24.4 m long, 2.1 m wide, and 1.62 m deep aluminum channel. Two geometric configurations of the laboratory model were designed based on channel characteristics that have been identified in natural river systems. At a given swimming speed and fish size, the highest guidance efficiencies of successful white sturgeon passage as a function of flow depth, flow velocity, turbulence intensity, Reynolds number, Froude number and shear velocity observed in the steady flow condition, tested with the horizontal ramp structure, occurred at an approach velocity of 0.33 ms<sup>-1</sup>. The guidance efficiency of successful sturgeon passage increased both with increasing flow velocity and Froude number, and decreased both with the flow depth and the turbulence intensity. This study also provides evidence that tail beat frequency increases significantly with swimming speed, but tail beat frequency decreases with fish total length. Stride length increases both with swimming speed and fish total length. The importance of unsteady forces is expressed by the reduced frequency both with swimming speed and fish total length. Regression analysis indicates that swimming kinematic variables are explained by the swimming speed, the reduced frequency and the fish total length. The results emphasize the importance of fish ladder type patchiness when a fishway is designed for the passage of sturgeon.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0378-1909</s0></fA01><fA02 i1="01"><s0>EBFID3</s0></fA02><fA03 i2="1"><s0>Environ. biol. fishes</s0></fA03><fA05><s2>77</s2></fA05><fA06><s2>2</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Evaluation of adult white sturgeon swimming capabilities and applications to fishway design</s1></fA08><fA11 i1="01" i2="1"><s1>TAE SUNG CHEONG</s1></fA11><fA11 i1="02" i2="1"><s1>KAVVAS (M. L.)</s1></fA11><fA11 i1="03" i2="1"><s1>ANDERSON (E. K.)</s1></fA11><fA14 i1="01"><s1>UCD J. 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At a given swimming speed and fish size, the highest guidance efficiencies of successful white sturgeon passage as a function of flow depth, flow velocity, turbulence intensity, Reynolds number, Froude number and shear velocity observed in the steady flow condition, tested with the horizontal ramp structure, occurred at an approach velocity of 0.33 ms<sup>-1</sup>. The guidance efficiency of successful sturgeon passage increased both with increasing flow velocity and Froude number, and decreased both with the flow depth and the turbulence intensity. This study also provides evidence that tail beat frequency increases significantly with swimming speed, but tail beat frequency decreases with fish total length. Stride length increases both with swimming speed and fish total length. The importance of unsteady forces is expressed by the reduced frequency both with swimming speed and fish total length. Regression analysis indicates that swimming kinematic variables are explained by the swimming speed, the reduced frequency and the fish total length. 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K." last="Anderson">E. K. Anderson</name><name sortKey="Kavvas, M L" sort="Kavvas, M L" uniqKey="Kavvas M" first="M. L." last="Kavvas">M. L. Kavvas</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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