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Economics/ Water Use APES > Water Resource > Flashcards

Water Resource Flashcards

1
Q

The largest catch that can be taken from a species stock without causing the population to decline from year to year is

A

maximum sustained yield

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2
Q

the land from which the surface drains into a body of water

A

watershed

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3
Q

A water purification technology that uses semi permeable membrane to remove larger particles from drinking water is

A

reverse osmosis

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4
Q

any industry or occupation devoted to catching processing or selling fish shellfish or other aquatic animals is

A

fishery

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5
Q

The amount of dissolved oxygen needed by aerobic biological organisms in a body of water to break down organic material present in a given water sample at certain temperature over a specific time period is

A

BOD

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6
Q

this forms when the roof of an underground cavern collapses after being drained of groundwater

A

sinkhole

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7
Q

A sub population of a particular species of fish which has a degree of reproductive isolation from other sub populations of the same species of fish in a space time or in both is referred to as a

A

fish stock

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8
Q

and irrigation method that saves water and fertilizer by allowing water to be added slowly directly to the roots of plants or into the soil surface is

A

drop irrigation

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9
Q

species unintentionally caught while fishing for different target species are referred to as

A

bycatch

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10
Q

water purification method in which salt water is heated until it evaporator leaving behind salt in a solid form is

A

distillation

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11
Q

using long expenses of nets that hang down into the water to catch passing fish is a method called

A

drift net

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12
Q

any underground layer of water bearing permeable Rock from which groundwater can be extracted using a water well is a

A

aquifer

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13
Q

A measure of the combined content of all in organic and organic substances found in a suspended form in water is

A

TDS

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14
Q

changing the amount of precipitation that falls from clouds by dispersing substances into the air that serve as condensation nuclei is

A

cloud seeding

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15
Q

A water quality test to measure the amount of N03 in the water is called

A

nitrates

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16
Q

if fishing technique that uses a funnel shaped net to drug along the ocean bottom is

A

bottom trawling

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17
Q

A method of crop irrigation in which a sprinkler rotates around a central point and waters plants directly from above is

A

center pivot irrigation

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18
Q

any water that has been adversely affected in quality by human actions is

A

wastewater

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19
Q

A series of tests that are used to determine the overall quality of a source of water is

A

WQI

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20
Q

A fishing technique in which a series of baited hooks are strewn into the water is

A

long line fishing

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21
Q

and artificial channel that is constructed to convey water from one location to another is a

A

aqueduct

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22
Q

A water quality test that measures the amount of P043- present in a water source is

A

phosphates

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23
Q

A fishing technique in which a large well of netting deployed around an entire area or school of fish is

A

purse seine

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24
Q

A large natural or artificial lake used as a source of water supply is a

A

reservoir

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25
Q

water quality test that tests for the presence of bacteria found in human feces is

A

coliform

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26
Q

The farming of aquatic organisms such as fish crustaceans mollusks and aquatic plants is

A

aquaculture

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27
Q

The aquatic ecosystem response to the addition of artificial or natural substances mainly phosphates and nitrates to detergents fertilizers or sewage to an aquatic ecosystem is

A

cultural eutrophication

28
Q

another word for watershed is

A

drainage basin

29
Q

water quality test in which water clarity is tested by submerging a seechi disk and seeing how deep the disk goes before it becomes too cloudy to see

A

turbidity

30
Q

The water located beneath the earth surface in a soil poor spaces and in fractures of rock formations is

A

groundwater

31
Q

A fishing practice that is done it is sustainable rate where the fish population does not decline over time because of fishing practices

A

sustainable fishing

32
Q

The city of Riverside primarily uses which source of water for a municipal use

A

aquifers

33
Q

The city of Los Angeles primarily uses which source of water for their municipal use

A

lost angeles aqueduct

34
Q

San Diego primarily uses which source of water for their municipal use

A

Colorado aqueduct

35
Q

increasing the water level in an aquifer is called

A

recharging

36
Q

water levels increase in aquifers when

A

water percolates down thru the soil in the aquifers watershed

37
Q

The biggest user of water in the US is for

A

agriculture

38
Q

The biggest user of water worldwide is for

A

agriculture

39
Q

available freshwater sources are greater in

A

eastern US

40
Q

aquifer is generally considered a _________ resource

A

renewable

41
Q

which aqueduct leads from the eastern boundary of California into southern California

A

Los Angeles aqueduct

42
Q

which aqueduct leads from the Owens Valley and to Southern California

A

Los Angeles aqueduct

43
Q

which aqueduct leads from sierra Nevada mountains east of Sacramento into Southern California

A

california aqueduct

44
Q

which aqueduct provides San Francisco water

A

california aqueduct

45
Q

Valley that was flooded during the construction of an aqueduct to bring water to San Francisco

A

hetch hetchy

46
Q

primary reason for the large scale die version of water from the Aral Sea is

A

aqriculture

47
Q

The Aral Sea is located in

A

Kazakhstan

48
Q

which fishing method results in the most by catch

A

bottom trawling

49
Q

which fishing method results in the least amount of by catch

A

aquaculture

50
Q

which fishing method results in the greatest amount of habitat distructiom

A

bottom trawling

51
Q

nutrient run off results in algal blooms was which eventually _____________ The amount of dissolved oxygen in an aquatic ecosystem as the algae run out of nutrients and die off and decompose

A

decrease

52
Q

The main source of nutrients added aquatic ecosystems in the US is from

A

run off from agricultural areas

53
Q

The process in which a nutrient run off ultimately results in species die offs do to lowered DO levels is called

A

eutrophication

54
Q

in order for a water resource to be given A rating of excellent the WQ I must be above

A

85

55
Q

what percent of earths total water supply of available freshwater for human use is left

A

much less then 1%

56
Q

which continent contains the majority of earths freshwater resources

A

Asia

57
Q

which continent has more water resources percentage wise than population percentage wise

A

south america

58
Q

approximately what percentage of the worlds population lives in an area that experiences water shortages

A

50

59
Q

The most reasonable solution for providing water to the worlds population is

A

waste less water

60
Q

aquifers are considered _________ resources

A

renewable

61
Q

The largest dam in the world is

A

Three Gorges, China

62
Q

proximately what percentage of the water diverted and pumped out of aquifers for human use is wasted

A

65

63
Q

approximately what percentage of water that is applied to agricultural areas is wasted

A

60

64
Q

approximately what percentage of fish that are caught are considered by catch

A

30

65
Q

approximately what percentage of fish species are considered to be fish at or past their sustainable limits

A

75

Economics/ Water Use APES (2 decks)

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