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The fish populations of the thrilling oceans

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Edible ocean fish are a renewable food resource. ... What is the ecological impact of ocean fish? Ocean fish play a vital role in the food chain. ... – PowerPoint PPT presentation

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Title: The fish populations of the thrilling oceans


1
The fish populations of the thrilling oceans
  • Presented by
  • Sarah Gaustad
  • -and-
  • Holly Jacobson

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2
What are they?
  • Edible ocean fish are a renewable food resource.
    These tasty morsels are found throughout the
    oceans of the world. They are used in most areas
    around the world as trendy and typical cuisine.

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3
  • Ocean fishing is an exciting and necessary sport.
    Many fisherman go out onto a fishing boat to
    catch fish to sell for profit.

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alk-around-saltwater-fishing-boat.jpg
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/fisheries_officer1.jpg
4
why are fish valuable you ask?
  • fish are very valuable in the sense that that
    provide adequate nutrition for those who like to
    eat them!

5
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G
6
How much fish does the world really eat?
  • In 1997, the amount of
  • global fish consumption
  • weighed in at 122 million
  • metric tons!

7
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8
What impact does human fishing have on the ocean?
  • People once thought that oceans were an endless
    supply of food! Not only are there now fewer fish
    in the oceans, but many of the fish left are
    starving and diseases are spreading.

before
after
http//www.fisherycrisis.com/
9
What is the ecological impact of ocean fish?
  • Ocean fish play a vital role in the food chain.
    Its an excellent source of food for omnivores
    and carnivores alike. However, if we harvest too
    much, we can do great ecological damage to the
    ocean environment.

http//www.kidport.com/RefLib/Science/SeaAnimals/i
mages/FishSchool.jpg
10
How do we feel about ocean fishing?
  • We believe that this resource use is excellent
    for the health of many nations. However, we must
    be careful about overharvesting.

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