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Swimming Performance of Four Carps on the Yangtze River for Fish Passage Design

Author

Listed:
  • Junjun Tan

    (Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China)

  • Hong Li

    (Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China)

  • Wentao Guo

    (Chinese Sturgeon Research Institute, China Three Gorges Corporation, Yichang 443100, China)

  • Honglin Tan

    (Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China)

  • Senfan Ke

    (Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China)

  • Jibao Wang

    (Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China)

  • Xiaotao Shi

    (Hubei International Science and Technology Cooperation Base of Fish Passage, China Three Gorges University, Yichang 443002, China)

Abstract

Anthropogenic engineered structures alter the local ecological connectivity of river and survival habitat of native fishes. The swimming performance is critical for establishing fish passage or fish habitat. This study evaluated the swimming performance of four carps (black carp, grass carp, silver carp and bighead carp) with smaller body lengths (1.0–9.0 cm) in a swimming flume. The results showed that the critical and burst swimming speed (m/s) of the four carps increased with the increased body length, and the relative (critical and burst) swimming speed (the critical and burst swimming speed divided by the body length, BL/s) decreases with body length. The critical and burst swimming speed of each species at two individual length groups (1.0–5.0 cm, 5.1–9.0 cm) was significantly different ( p < 0.05), and the water velocities in fish passage should be less than the fish burst swimming speed. The results further provided the swimming performance data of juvenile carps and provided technical reference for the construction of fish passage and the restoration of ecological habitat.

Suggested Citation

  • Junjun Tan & Hong Li & Wentao Guo & Honglin Tan & Senfan Ke & Jibao Wang & Xiaotao Shi, 2021. "Swimming Performance of Four Carps on the Yangtze River for Fish Passage Design," Sustainability, MDPI, vol. 13(3), pages 1-11, February.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:3:p:1575-:d:492000
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