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Geography > Resources > Flashcards

Resources Flashcards

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1
Q

what is the purpose of resources?

A

provide ppl w what they need

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2
Q

2 diff resources?

A

renewable/non - renewable resources

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3
Q

renewable resources, definition, examples

A 
def - resources that will replace themselves through natural processes
examples
water
soil
fish
air
forests
animals
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4
Q

non - renewable resources, definition, examples

A 
definition - resources that will not replace themselves in our life time, once used up, they're done
examples
coal
oil
gold
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5
Q

effects of bad use of resources

A

damages resources

used up quicker

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6
Q

examples of bad use of resources

A 
soil erosion bc of poor farming methods
polluting water/air
not replacing cut down trees
no control over the rate resources are being used 
not recycling
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7
Q

overfishing, what is it?

A

taking fish faster than nature can replace them

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8
Q

why does overfishing occur? (3)

A

modern tech
growing population
lack of laws

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9
Q

effects of overfishing

A

reduced amnt fish, cannot reproduce fast enough
reduced biodiversity
unemployment/poverty
bycatch

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10
Q

overgrazing, how does it happen?

A

happens when too many animals = farmed on land

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11
Q

effects of overgrazing

A

soil erosion
no time 4 plants to grow back
dams = filled w soil, water washed off land
animals have no food, weak animals produce less offspring
land = no longer useful resource
ppl desert the land

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12
Q

sustainable, definition

A

able to be used at the same rate for a long time without threatening the supply

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13
Q

insulation, definition

A

preventing heat from entering/escaping

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14
Q

quota, definition

A

a maximum quantity that is allowed

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15
Q

habitat, definition

A

places where a specific plant/animal lives

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16
Q

size restriction, definition

A

limits for catching a fish which is too small to breed

17
Q

unsustainable, definition

A

not being able to be used at the same rate for a long time without threatening the supply

18
Q

ways to fish sustainably

A

fishing nets have to be a certain mesh size
quotas put in place
fish caught @ certain times of year
fish has to be certain size
fishing = controlled/prohibited in certain areas

19
Q

sustainable grazing, what would it do? ways to do it?

A
  • what would it do?
  • restore land
  • provide food 4 animals
  • prevent soil erosion
  • ways to do it
  • rotational grazing
  • strip grazing
  • reducing no. of cattle on land
  • learn good farming techniques
20
Q

what can consumers do to be sustainable?

A

ask suppliers, produce sustainable goods
avoid not eco friendly
use recyclable packaging
buy loose products

21
Q

what can government do to be sustainable

A

greener energy
recycling centres
public transport
laws, control pollution

22
Q

how to lower your carbon footprint

A 
turn off lights
unplug device not being used
energy saving lightbulbs
alt forms energy (solar)
walk, cycle, public transport
buy local goods
loose food
recycle
23
Q

food security, definition

A

everyone has permanent access to sufficient, safe, nutritious food

24
Q

urbanisation, definition

A

when ppl move from rural to urban areas

25
Q

staple grain crops, definition

A

food that provides the basis for most meals, e.g maize, bread

26
Q

monoculture, definition

A

only one type of crop is grown

27
Q

mechanisation, definition

A

when machinery = used in farming

28
Q

government subsidies, definition

A

grants that the government give to farmers to assist w cost of farming

29
Q

free range, definition

A

animals not kept in cages and can roam freely

30
Q

problems in SA

A

most of land = not suitable for grazing/crop farming
lack of water for farming
western side of SA = sheep farming (dry area)
eastern side = cattle farming (wet area)
lotsa urbanisation in gauteng + western cape
population growing, demand for food = increased

31
Q

solutions

A

(private sector investments) to help farmers w start up capital
(crop varieties), incr production
(water harvesting + storage systems)
(insurance and credit) for new farmers

32
Q

factory farming

A

farming done on industrial scale

33
Q

treatment of animals on factory farms

A

small cages
no exercise
fed growth hormones

34
Q

genetic modification of crops, what does that mean?

A

changes genetic makeup of an organism

35
Q

2 ways crops = modified

A

speed up animal breeding

create a new organism

36
Q

advantages of gmos

A

less famine
more nutrition
less pesticides

37
Q

disadvantages of gmos

A

damage environment
ONLY BENEFITS LARGE SCALE
some seeds don’t reproduce
use more water

Geography (3 decks)

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