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Pingguo He's Behavior of Marine Fishes: Capture Processes and PDF

By Pingguo He

ISBN-10: 0813810965

ISBN-13: 9780813810966

ISBN-10: 0813815363

ISBN-13: 9780813815367

Realizing fish habit relating to seize strategies in marine fisheries is of basic value to decreasing bycatch and discards, and to bettering marine fisheries conservation efforts.    an intensive figuring out of this permits advertisement fishers to extra successfully catch goal species whereas decreasing the seize of undesirable species. Behavior of Marine Fishes: trap procedures and Conservation Challenges offers the reader with ideas, styles, and features on fish habit and fish catch methods utilizing different types of vital advertisement fishing gears. The publication additionally highlights conservation demanding situations dealing with the marine seize fisheries in efforts to take care of sustainable use of marine assets and to minimize detrimental affects to the marine surroundings. This quantity, with contributions from major utilized fish behaviorists and fishing equipment technologists from around the globe, can be a necessary reference for researchers, fishing apparatus technologists, fisheries managers, scholars, and conservationists.Content:
Chapter 1 Swimming in Marine Fish (pages 3–24): John J. Videler and Pingguo He
Chapter 2 Fish imaginative and prescient and Its function in Fish trap (pages 25–44): Takafumi Arimoto, Christopher W. Glass and Xiumei Zhang
Chapter three listening to in Marine Fish and Its software in Fisheries (pages 45–64): Hong younger Yan, Kazuhiko Anraku and Ricardo P. Babaran
Chapter four Fish habit close to backside Trawls (pages 65–103): Paul D. Winger, Steve Eayrs and Christopher W. Glass
Chapter five Fish habit on the subject of Longlines (pages 105–141): Svein Lokkeborg, Anders Ferno and Odd?Borre Humborstad
Chapter 6 Fish Pots: Fish habit, trap approaches, and Conservation matters (pages 143–158): Bjarti Thomsen, Odd?Borre Humborstad and Dag M. Furevik
Chapter 7 Large?Scale Fish Traps: apparatus layout, Fish habit, and Conservation demanding situations (pages 159–181): Pingguo He and Yoshihiro Inoue
Chapter eight Fish habit close to Gillnets: trap strategies, and Influencing components (pages 183–203): Pingguo He and Michael Pol
Chapter nine electrical Senses of Fish and Their program in Marine Fisheries (pages 205–235): Hans Polet
Chapter 10 Technical Measures to minimize Bycatch and Discards in Trawl Fisheries (pages 237–264): Norman Graham
Chapter eleven Mortality of Animals that get away Fishing Gears or Are Discarded after catch: techniques to minimize Mortality (pages 265–293): Petri Suuronen and Daniel L. Erickson
Chapter 12 impact of Trawling at the Seabed and Mitigation Measures to minimize influence (pages 295–314): Pingguo He and Paul D. Winger
Chapter thirteen Measures to lessen Interactions of Marine Megafauna with Fishing Operations (pages 315–342): Dominic Rihan

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Additional info for Behavior of Marine Fishes: Capture Processes and Conservation Challenges

Sample text

Proc. World Symp. Fish. Gear and Fish. Vessel Design. pp 541– 546. St. John’s, Newfoundland: Marine Institute. Nelson JA and Claireaux G. 2005. Sprint swimming performance of juvenile European sea bass. Trans. Am. Fish. Soc. 134: 1274–1284. Rosen MW and Cornford NE. 1971. Fluid friction of fish slimes. Nature. 234: 49–51. Swimming in Marine Fish Shann EW. 1914. On the nature of lateral muscle in teleostei. Proc. Zool. Soc. Lond. 22: 319–337. Videler JJ. 1988. Sleep under sand cover of the labroid fish Coris julis.

The velocity gradients induce vortices, being rotational movements of the fluid. Vortices either may end at the boundary of the fluid or may form closed loops or vortex rings with a jet of water through the center (Videler et al. 2002). Furthermore, vortex rings can merge to form chains (Fig. 4). Quantitative flow visualization techniques have been successfully applied to reveal the flow patterns near fish using body undulations to propel themselves (Müller et al. 1997). The interaction between undulating bodies and moving fins and the water results in complex flow patterns along and behind the swimming animals (Videler 1993).

The exact shape of the curve depends mainly on the species, size, temperature, and condition of the fish. Owing to the shape of the curve, there is one optimum speed at which the ratio of metabolic rate over speed reaches a minimum. This ratio represents the amount of work a fish has to do to cover 1 m (J/s divided by m/s). To make fair comparisons possible, the optimum speed (Uopt), where the amount of energy used per unit distance covered is at a minimum, is used as a benchmark. Series of measurements of oxygen consumption at a range of speeds provide the parameters needed to calculate Uopt and the energy used at that speed.

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Behavior of Marine Fishes: Capture Processes and Conservation Challenges by Pingguo He

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