6.1.4

Food Sources - Caught Food

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Trawling and Fish Farming

Fish are rich in protein. Overfishing has caused some fish species to reach near extinction. We can either rear or catch fish using these methods:

Trawling

Trawling

  • Trawling involves using a trawler (fishing vessel) to drag a trawl (fishing net) through the water to catch fish.
  • The methods of trawling include:
    • Bottom trawling - dragging a trawl along the seabed.
    • Dragging a trawl through the open water.
    • Dredging - dragging a metal basket along the seabed.
Fish farming

Fish farming

  • Vast populations of fish are raised in river enclosures or sea cages. Overcrowding is common.
  • Set-up and running costs are expensive.
  • Fish are prone to disease.
  • Pesticides may be used for disease control.
Washing and gutting

Washing and gutting

  • Sometimes, fishermen or fisherwomen will wash and gut fish on-board before bringing them to land.
  • To stop fish from spoiling, they are salted or filled with ice (chilled).

Sustainable Fishing

Sustainable fishing doesn't use up non-renewable resources or cause environmental harm.

Concerns about commercial fishing

Concerns about commercial fishing

  • Overfishing (catching fish at a faster rate than natural reproduction can occur at) can cause species to become endangered.
  • Bottom trawling can damage habitats and sea life on the seabed.
  • Other animals can get caught in trawls - such as albatrosses and sharks - which may threaten populations of these animals.
Sustainable fishing methods

Sustainable fishing methods

  • Government fishing quotas - can help to preserve endangered species.
    • Quotas restrict the quantity and size of fish that fishermen and women can catch.
  • Spearfishing - using a spear gun to catch fish. This method is relatively sustainable as one first is targetted, so there is little bycatch.
  • Regulations for net sizes - holes must be large enough for small and unwanted fish to get out.
Sustainable fishing methods (cont.)

Sustainable fishing methods (cont.)

  • Longline fishing - the fishing line used holds baited hooks between 2 buoys. This process catches a smaller number of fish and reduces the likelihood of catching undesired species.
Jump to other topics
1

Food Preparation Skills

1.1

Food Preparation Skills

1.1.1General Practical Skills1.1.2Knife Skills1.1.3Preparing Fruit, Vegetables & Using Equipment1.1.4Cooking Methods: Prepare, Shape & Combine1.1.5Sauce Making, Tenderising & Marinating1.1.6Dough & Pastry1.1.7Shaping & Finishing Dough1.1.8Raising Agents & Mixtures1.1.9End of Topic Test - Food Preparation Skills 1
2

Food, Nutrition & Health

2.1

Macronutrients

2.1.1Proteins2.1.2Proteins 22.1.3Fats2.1.4Carbohydrates2.1.5Carbohydrates 2
2.2

Micronutrients

2.2.1Fat-Soluble Vitamins2.2.2Water-Soluble Vitamins2.2.3Minerals & Water2.2.4Minerals & Water 22.2.5End of Topic Test - Macro & Micronutrients
2.3

Nutritional Needs & Health

2.3.1Informed Choices for a Balanced Diet2.3.2Informed Choices for a Balanced Diet 22.3.3Energy Needs2.3.4Nutritional Analysis2.3.5Diet Modifications2.3.6Diet-Related Problems2.3.7Diet-Related Problems 22.3.8End of Topic Test - Nutritional Needs & Health
3

Food Science

3.1

Cooking of Food & Heat Transfer

3.1.1Reasons for Cooking & Heat Transfer3.1.2Water-Based Cooking Methods3.1.3Fat-Based Cooking Methods3.1.4Dry Cooking Methods3.1.5Dry Cooking Methods 2
3.2

Functional & Chemical Properties of Food

3.2.1Proteins & Carbohydrates3.2.2Fats & Oils3.2.3Raising Agents3.2.4End of Topic Test - Food Science
4

Food Safety

4.1

Food Spoilage & Contamination

4.1.1Microorganisms & Signs of Food Spoilage4.1.2Enzymes & Signs of Food Spoilage4.1.3Food Poisoning4.1.4Bacterial Contamination4.1.5Microorganisms in Food Production
4.2

Principles of Food Safety

4.2.1Temperature Control4.2.2Ambient Foods & Food Labels4.2.3Preparing, Cooking & Serving Food4.2.4End of Topic Test - Food Safety
5

Food Choice

5.1

Factors Affecting Food Choice

5.1.1Factors Which Influence Food Choice5.1.2Food Choices5.1.3Religious Food Choices5.1.4Food Labels5.1.5Mandatory Food Labels5.1.6Optional Food Labels5.1.7Marketing Influences5.1.8End of Topic Test - Food Choice
5.2

British & International Cuisines

5.2.1British Cuisine5.2.2Japanese Cuisine5.2.3Japanese Ingredients & Dishes5.2.4Spanish Cuisine5.2.5Spanish Ingredients & Dishes
5.3

Sensory Evaluation

5.3.1Taste Receptors & Olfactory Systems5.3.2Sensory Testing Methods5.3.3Sensory Testing Methods 25.3.4End of Topic Test - Cuisines & Senses
6

Food Provenance

6.1

Environmental Impact & Sustainability of Food

6.1.1Food Sources - Intensive & Organic Farming6.1.2Food Sources - Genetically Modified Crops6.1.3Food Sources - Reared Food6.1.4Food Sources - Caught Food6.1.5Food & The Environment6.1.6Food & The Environment 26.1.7Sustainability of Food6.1.8Sustainability of Food 26.1.9End of Topic Test - Environmental Impacts
6.2

Food Processing & Production

6.2.1Primary Food Processing6.2.2Primary Food Processing 26.2.3Secondary Food Processing6.2.4Fortification6.2.5Additives6.2.6End of Topic Test - Food Processing & Production

Practice questions on Food Sources - Caught Food

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    Disadvantages of fish farming:Fill in the list
  2. 2
    Examples of sustainable fishing methods:Fill in the list
  3. 3
    Which of the following is NOT a sustainable fishing method?Multiple choice
  4. 4
    What do we call it when fish are caught at a faster rate than natural reproduction can occur at?Multiple choice
  5. 5
    Concerns about commercial fishing:Fill in the list
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Food Sources - Reared Food

Food & The Environment