Summarize the case of the Atlantic cod. In your response, specifically address the following points: What method is most commonly used to extract cod? What are the environmental consequences of this method? What is the evidence that cod are being overfished? What remedies have governments enacted to help restore cod populations?
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The most common method used to extract cod is bottom trawling, which involves dragging a large net along the seafloor to catch fish. The environmental consequences of bottom trawling are significant, as it can cause habitat destruction, bycatch of non-target Show more…
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Name: Date: 2. Aside from overfishing, propose 2 biotic factors and 2 abiotic factors that may impact the cod population in the Atlantic [4 marks] 3. The use of trawling is a common technique used by commercial fishing companies to catch fish. How might the use of trawling negatively impact other fish species? Suggest a more sustainable fishing technique and explain why it is more sustainable. [3 marks] 4. Examine the image below of data from the Barents Sea (Iceland) and answer the questions that follow: a. Suggest a period of time in which the Norwegian government imposed strict regulations for cod fishing in the Barents Sea. Explain. [2 marks] b. What evidence suggests the fishing regulations worked? [1 mark] c. Complete the table below by identifying two similarities and two differences between the Atlantic Cod population graph and the Barents Sea Cod. [4 marks] Similarities Differences
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Based on the simple food chain for cod shown here, and what you know about the biology of cod, propose one action that people could take to help the cod population recover. (3 marks) Phytoplankton (producers) → zooplankton → small fish, shrimp, crabs → cod
which human lifestyle factors led to overfishing and caused cod to nearly go extinct in the late 20th century? Select the three correct responses. a. people need to earn a living. b. people enjoy eating fish. c. people produce waste. d. people conserve resources. e. people need to eat food.
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