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6. Why is plastic a threat to fish?

  • Floats to the bottom and covers the sea bed-stops the food cycle.
  • It looks like food and remains in the water - kills the fish.
  • It remains in the water and can cut the fish.

7. Is it legal to dump flyash in to the sea, why?

  • No, it can be used as a source of energy!
  • No longer allowed in UK. seabed is covered-food cycle is stopped.
  • Yes, it dosen't harm the area.

8. Why is fertilizer run-off bad for fish stocks?

  • Causes algal bloom - can be toxic to some fish.
  • Causes algal bloom which suffocates the fish.
  • It's not bad- can be an alternate food source for the fish.

9. What are trawl nets and why are they a threat to fish stocks?

  • Nets that drag along the sea bottom and so disrupt the fish.
  • Taporing tube shaped and can catch vast amounts of fish at a time.
  • Small net and so are not threats

10. Why are seine nets a threat to natural fish stocks?

  • Surround a whole shoal - none esacpe. Vast amount caught.
  • They electricute fish as they catch them - cannot escaspe.
  • They destroy the sea bed.