Topic 7 Food Security And Faeming Flashcards
What is food security
Having enough food to feed the population
What threatens food security
1) world pop keeps increasing with the birth rate if many developing countries rising quickly
2) diets In developed countries change, demand for certain food to be imported from developing countries can increase (already scarce food sources become more scarce)
3) Farming can be affected by new pests and pathogens can result in loss of crops and livestock and lead to widespread famine
4) Hi import costs of farming can make it too expensive for people in some countries to start or maintain food production universe and times are enough people producing food
5) In some parts of the world there are complex that affect the availability of food and water
Why are fish stocks decline in the oceans
Because we are fishing too much
What is sustainable production
Making enough food without using resources faster than they renew
Why do we need sustainable methods of food production
So that enough food can be made to feed everyone now and in the future
How can fish stocks be maintained
Fishing quotas- there are limits on the number and size of fish that can be caught in certain areas
Net size - There are different limits of the mesh size of fishnets depending on what is being fish this is to reduce the number of unwonted_and fish the ones that are caught by accident
Limiting the movement of livestock and keeping them in a temperature controlled environment produces the transfer of what
Energy from the livestock to the environment
Why does this make farming more efficient
Is that Animoji is less energy moving around and controlling their own body temperature and more energy is available for grief so more food can be produced
Why are some factory farming methods controversial
Because animals are kept close together disease can spread easily
Why are there also ethical objections to factory farming
Some people think that we can animals live in an unnatural and uncomfortable conditions is cool
How are calves and chickens factory farm
Involves raising them in small pens
How can fish be factory farmed
In cages were movement is restricted
What are some animals fed to further increase their growth
High protein food
What are factory farm chickens also called
Battery chickens
