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A Strain Gauge Monitor (SGM) for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH
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环境科学
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JoVE 杂志 环境科学
A Strain Gauge Monitor (SGM) for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

A Strain Gauge Monitor (SGM) for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

DOI:
10.3791/57404-v

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07:59 min

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August 01, 2018

•

,
1Yale Gordon College of Arts & Sciences,University of Baltimore, 2Goddard Space Flight Center,NASA

Chapters

  • 00:04Title
  • 01:03Assembling Valve Gape Sensor
  • 03:34Using the Valve Gape Sensors
  • 06:13Results: Oyster Gape and Concentration of Dissolved Oxygen
  • 07:12Conclusion

Summary

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Understanding the behavioral responses of bivalve suspension-feeders to environmental variables, such as dissolved oxygen, can explain some ecosystem processes. We have developed an inexpensive, laboratory-based, strain gauge monitor (SGM) to measure valve gape responses of oysters, Crassostrea virginica, to diel-cycling hypoxia and cyclical pH.

Tags

Keywords: Strain Gauge MonitorValve Gape MeasurementBivalve MolluscsDiel-cycling HypoxiaPHOyster BehaviorSensor ConstructionWheatstone BridgeStrain GaugeCable FabricationSolderShrink TubingSensor SealingCorrosion Protection

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