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Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools
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JoVE Revista Medio ambiente
Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

Development of New Methods for Quantifying Fish Density Using Underwater Stereo-video Tools

DOI:
10.3791/56635-v

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09:32 min

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November 20, 2017

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, , ,
1Moss Landing Marine Laboratories, 2The Nature Conservancy

Capítulos

  • 00:05Título
  • 00:40Prepare Stereo-camera Footage for Analysis
  • 03:29Generate Point Counts and Calculate MaxN
  • 06:40Resultados
  • 08:18Conclusion

Summary

Traducción Automática

Traducción Automática

We describe a new method for counting fishes, and estimating relative abundance (MaxN) and fish density using rotating stereo-video camera systems. We also demonstrate how to use distance from camera (Z distance) to estimate species-specific detectability.

Tags

Stereo-videoFish DensityUnderwaterFisheries ManagementQuantifyAbundanceSize DistributionDeep-water Rocky ReefsStereophotogrammetryCalibrationMeasurement SoftwareVideo Synchronization

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