food - human Flashcards

1
Q

what is food insecurity?

A

where there is a lack of access to safe nutritious food

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2
Q

what is malnutrition?

A

Poor nutrition as a result of an imbalanced diet, lacking in essential nutrients to maintain a healthy body

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3
Q

what is food surplus?

A

an area where food production is higher than local demand, leading to an excess supply of food

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4
Q

what is Food deficit?

A

an area where low quantities of food production can’t keep up with local demand, leading to a shortfall in food supplies

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5
Q

what is crop yield?

A

The amount of healthy crops grown and harvested in relation to the amount of seeds sown into the ground

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6
Q

what can impact food production?

A

climate
natural hazards
money
location
war and conflict

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7
Q

what is commercial farming?

A

The growing of crops or rearing of livestock to make a profit
common in most countries

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8
Q

what is subsistence farming?

A

there is just sufficient food produced to provide for the farmers own family

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9
Q

what is arable farming?

A

involves the growing of crops

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10
Q

what is pastoral farming?

A

involves the rearing of livestock

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11
Q

what is mixed farming?

A

involves a combination of arable and pastoral farming

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12
Q

what is intensive farming?

A

where the farm size is small in comparison with the large amount of labour and imports of capital, fertilisers, etc which are required

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13
Q

what is extensive farming?

A

where the size of a farm is very large in comparison to the imports of money, labour, etc needed.

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14
Q

what is agribusiness?

A

involves a large corporate organisation of farming - often farms are run for profit maximisation and economy of scale

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15
Q

What is the system of agriculture?

A

inputs
processes
outputs
feedback

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16
Q

what are inputs in agriculture?

A

determine the type of farming in an area
physical inputs - land, soil, climate, water
human inputs - labour, capital, machinery, fertiliser, knowledge

17
Q

what are processes in agriculture?

A

activities carried out to turn inputs into outputs & they depend on the level of tech available
eg - milking, seedling harvesting, ploughing, fertilising

18
Q

what are outputs of agriculture?

A

positive outputs - milk, meat, eggs, wool, money
negative outputs - soil erosion, water pollution, death

19
Q

what is feedback from agriculture?

A

profits, manure, animal feed, seeds, knowledge

20
Q

what is agricultural productivity?

A

Measure of economic performance
shows efficiency in use of resources & turns them into profitable or useful outputs
measured in yields
measurement of productivity = total product activity

21
Q

what are the impacts climate change is expected to have on agriculture?

A

cause floods, droughts & more frequent and intense weather events
increase in temperature - changes to crop growing seasons & can reduce crop yields
rise in sea levels & change in rainfall pattern causes floods which destroys crops

22
Q

what are adaptations to deal with impacts of climate change on agriculture?

A

climate change adaptation projects - test technologies and strategies for sustainable livelihood security in rural communities that are vulnerable to climate risks
heat stress tolerance for varieties of wheat introduced - increasing yields