Sustaining our World – Overfishing

Lesson Intention

Students will explore the effects and potential consequences of overfishing.

Success Criteria

You will know you have been successful when you can:

# Explain the issues associated with overfishing.


Instructions

  1. Watch the video – Will the ocean ever run out of fish?

2. Please answer the below questions in the blog comments. Remember to copy and paste the question into comments before answering the question.

  • How are modern commercial fishing methods different to more traditional methods?
  • What happens when fish are caught before they have an opportunity to reproduce?
  • How are ocean ecosystems affected by commercial fishing nets?

 

3. Look at the overfishing poster and create a video in Classdojo portfolios to answer the questions.

Overfishing Poster

  • What does this poster tell us about how humans are currently using fish as a food source?
  • What might happen if humans continue to use fish in this way?
  • Which of the facts on the poster did you find the most surprising? Why?

 

Extension Task – 

Create a digital or paper poster to inform an audience about the problems with overfishing. (submit to MT 1:1 chat with me.)

15 thoughts on “Sustaining our World – Overfishing

  1. How are modern commercial fishing methods different to more traditional methods?
    They are using a lot more Devices.

  2. How are modern commercial fishing methods different to more traditional methods?they are using special equipment.
    What happens when fish are caught before they have an opportunity to reproduce? They die.
    How are ocean ecosystems affected by commercial fishing nets? To stop them to killing animals

  3. How are modern commercial fishing methods different to more traditional methods?
    Net’s catch thousands of fish and fishing rods catch 1 or2 at a time.
    What happens when fish are caught before they have an opportunity to reproduce? There will be no more fish in the ocean.

    How are ocean ecosystems affected by commercial fishing nets? Can you think I could do much they will be completely no fish in the ocean.

  4. How are modern commercial fishing methods different to more traditional methods? Some fishermen use big boats Big net to catch lots and lots of fish and then sell them everywhere in the world.And the modern way is a fishing boat a fishing rod and maybe only one at a time and these two methods are very different. What happens when fish are caught before they have an opportunity to reproduce? The fish go through big machines they get frozen washed wrapped in plastic and then get sent off to supermarkets and butchers. How are ocean ecosystems affected by commercial fishing nets? They destroyed things and there is no fish left to produce all the coral is wrecked so the fish have nowhere to go.

  5. How are modern fishing techniques different to traditional methods:

    Back in the old days you used to have to just sit on your boat and hope that you catch some fish. Now some people still do that today but sometimes they can use nets “As big as a football field”

    What happens when w catch fish before they can reproduce

    People are eating fish to fast. The fishers are not able to catch fish as quick as 7.7 billion people eat all the fish.

    How are ocean ecosystems affected by commercial fishing nets?

    Well if you keep on using giant nets then eventually your net is going to get old and begin to fall apart. All of your scraps from your net are going to end up in the ocean and kill all of the turtles and fish.

  6. How are modern commercial fishing methods different to more traditional methods?
    The modern method was sitting on a boat with a rod peacefully catching a couple of fish, but the traditional way we go fishing it isn’t like a fun hobby,
    Big ships you would essentially use for war, massive hooks or nets that Ruin the life under ground .

  7. How are modern commercial fishing methods different to more traditional methods?
    Old traditional fishing is usually based on one rod and one fish every couple of minutes, modern commercial fishing involves a big net that’s workshop all the fish so it’s harder for the female to reproduce and big boat to store all the fish in.
    What happens when fish are caught before they have an opportunity to reproduce?
    Most Fish reproduce until they are 10, although the big companies that sell fish at the shops come with heavy tools to catch fish, they don’t care when The fish reproduce they just want fish that leads into making it harder for the female fish to reproduce.

    How are ocean ecosystems affected by commercial fishing nets?
    The ocean ecosystem food chain starts off with Ocean plants like coral and seagrass, the little fish need that to stay alive but the big fish like whales and sharks need little fish as well as some Ocean plant like coral and sea grass. Use the commercial fishing boats destroy all the coral and catch all the little fish, The big fish don’t have anything to eat should and they will starve to death and the little fish that are left don’t have any plants to eat.

  8. The modern fishing is done way too often the should stop fishing that much when the fish can’t re produce they are not good enough to eat so keep them in the ocean the eco system are being destroyed by the big fishing nets and that’s how the ecosystem is ruined by catching the harmless fish

  9. How are modern commercial fishing methods different to more traditional methods?
    Traditional methods are better for the fish because they catch list and you only put in a line and wait where as modern commercial fishing methods are big boats with high tech trying to get a fish and they can get much more fish which means at the fish don’t have time to reproduce .

    What might happen if humans continue to use fish in this way?
    Fish will either be extinct or be very Scarce and I which means that the coral probably won’t be looking too good.

    Which of the facts on the poster did you find the most surprising? Why?
    One fact that I found most supprising is it they would actually cut off the fin and then throw away the shark, And I think that if you’re going to fish don’t waste. Another fact that shocked me was that the boat had so much high-tech.

  10. How are modern commercial fishing methods different to more traditional methods?
    Traditional fishing is getting enough fish to feed the family
    Commercial fishing is getting thousands of fish for city’s

  11. How are modern commercial fishing methods different to more traditional methods?
    Traditional methods use a fishing rod in the boat while modern methods used a large boat and a net.
    What happens when fish are caught before they have an opportunity to reproduce?
    If are court befor they can reproduce they might get exited.
    How are ocean ecosystems affected by commercial fishing nets?
    When the fishermen drag the nets across the floor of the ocean it ruins the whole ecosystem.

  12. What happens when fish are caught before they have an opportunity to reproduce?
    There won’t be any Fish 🐟

  13. How are ocean ecosystems affected by commercial fishing nets?
    Turtles sharks Wales dolphins 🐬 sea bird get stuck in the net

  14. How are modern commercial fishing methods different to more traditional methods?
    Modern commercial fishing boats you so no radar copters and spotter planes long lines with hundreds of hooks on the bottom to catch heaps of fish.

    What happens when fish are caught before they have an opportunity to reproduce?
    They will eventually come extinct and then everyone will go after other animals.

    How are ocean ecosystems affected by commercial fishing nets?
    Wild shrimp are caught by dragging nets and nets destroy the coral on the bottom of the ocean.

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