Marine Resources

Card Set Information

Author:
sloos
ID:
2055
Filename:
Marine Resources
Updated:
2009-12-01 18:47:01
Tags:
fisheries
Folders:

Description:
marine fisheries
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  1. what kind of fish has the largest stock in florida?
    • sailfish
    • major recreational fishery
    • not for commercial use, catch and release
  2. What is the number one fishery in terms of value?
    Cod
  3. herring, anchovies, sardines, (food, fishmeal, oil)
    Coastal Pelagics
  4. Cod, Haddock, Pollock, hakes (filets, salted, shirmi)
    Demersal Fish
  5. Tunas, swordfish, billfish (food, sportsfishing)
    Large Pelagics
  6. Shrimp, Lobster, Conch,scallops (food)
    Invertebrates
  7. what makes a fishery?
    taking fish, fish stocks, fisherman, everything down to final consumer
  8. Number of eggs produced at spawning
    fishery production
  9. Number that survive to actually enter fishery
    recruitment
  10. number of fish in a distinct fishing region
    fishing and natural mortality
  11. What determines recruitment?
    • survival of the young fish,
    • movement of these fish to site of adult recruitment
    • successful settlement of the new adult habitat
  12. Two types of motion
    • 1. Free drift in young and small fish
    • 2. Active migrations that pattern movement

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