Threats to fish stocks 3.0 / 5 based on 1 rating ? OtherGCSEAQA Created by: EmmaCreated 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. 7 of 10 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
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