Ecology - Fish Farming and Food Security

Question 1

Overfishing threatens….

Answer 1

the existence of many fish species in the wild.

Question 2

What is used to prevent overfishing?

Answer 2

fish farming and sustainable fishing methods

Question 3

Fish farming =

Answer 3

Fish farms are large enclosures or tanks designed to provide controlled environments for the growth of fish for human consumption. Obtaining our fish from fish farms allows wild fish stocks to recover.

Question 4

Sustainable fisheries =

Answer 4

Adopting sustainable fishing methods preserves the health and biodiversity of aquatic ecosystems and safeguards the future of the fishing industry.

Question 5

Larger fish nets =

Answer 5

only adult fish are caught, and small baby fish can escape so that they can grow and reproduce, maintaining the fish populations.

Question 6

Fishing quotas =

Answer 6

restrictions on the number of fish they can catch

Question 7

Food security occurs when…

Answer 7

all people are able to access food that is nutritious and safe to meet their requirements for a healthy life, which is sourced in ways that the Earth can sustain in the future.

Question 8

Food security faces a number of challenges thus…

Answer 8

many people in the world do not have access to healthy food, in sufficient amounts.

Question 9

Factors effecting food security:

Answer 9

1. rising population - demand for food increases
2. new pests and pathogens may kill crops or livestock, which may lead to famine
3. environmental changes - decrease food yields.
4. agriculture is growing more expensive (cost of fuels, pesticides, fertilisers, feed, seeds, equipment) and these costs are often passed onto the buyer, thus food becomes harder to afford.
5. conflicts such as war can disrupt the production of food.