Threats to fish stocks

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  • Created by: Emma
  • Created on: 06-03-13 19:48
What does G.P.S stand for and why is it a threat to fish stocks?
Global Positioning System - locates shoals accurately.
1 of 10
Why are diamond shaped holes in fishing nets bad for fish stocks?
Small fish can't escape and go on to breed.
2 of 10
What are trawl nets and why are they a threat to fish stocks?
Taporing tube shaped and can catch vast amounts of fish at a time.
3 of 10
Why are seine nets a threat to natural fish stocks?
Surround a whole shoal - none esacpe. Vast amount caught.
4 of 10
Is it legal to dump flyash in to the sea, why?
No longer allowed in UK. seabed is covered-food cycle is stopped.
5 of 10
Why is oil pollution bad for natural fish stocks?
It coats the gills and kills the fish.
6 of 10
Why is fertilizer run-off bad for fish stocks?
Causes algal bloom - can be toxic to some fish.
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Why is plastic a threat to fish?
It looks like food and remains in the water - kills the fish.
8 of 10
Why is sewage a threat to natural fish stocks?
It contaminates the water and the fish - may kill them.
9 of 10
Why are long-range fishing boats a threat to fish stocks?
Can fish in a wider area - can catch more fish.
10 of 10

Other cards in this set

Card 2

Front

Why are diamond shaped holes in fishing nets bad for fish stocks?

Back

Small fish can't escape and go on to breed.

Card 3

Front

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

Back

Preview of the front of card 3

Card 4

Front

Why are seine nets a threat to natural fish stocks?

Back

Preview of the front of card 4

Card 5

Front

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

Back

Preview of the front of card 5
View more cards

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