4.3, 4.4: Water, Food Production Systems and Society

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29 Terms

1
Zooplankton
________: single- celled animals that eat phytoplankton and their waste.
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2
Pollutants
________ can be: anthropogenic or natural, point or nonpoint source, organic or inorganic, direct or indirect.
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3
Continental shelf
________: extension of continents under the seas and oceans (creates shallow water)
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4
Aquaculture
________: farming aquatic organisms (coastal and inland) involving interventions in the rearing process to enhance production.
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5
Eutrophication
________: when lakes and coastal waters receive inputs of nutrients (nitrates and phosphates) that result in an excess growth of plants and phytoplankton.
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6
Indicator species
________: plants and animals that show something about the environment by their presence, absence, abundance.
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7
Continental shelf
extension of continents under the seas and oceans (creates shallow water)
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8
Zooplankton
single-celled animals that eat phytoplankton and their waste
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9
Fishery
when fish are harvested in a certain way
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10
Aquaculture
farming aquatic organisms (coastal and inland) involving interventions in the rearing process to enhance production
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11
SY
increase in natural capital (natural income that can be exploited each year without depleting original stock)
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12
MSY
highest amount that can be taken without permanently deleting the stock
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13
**Biochemical oxygen demand**
amount of DO required to break down organic material in a given volume of water
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14
Freshwater pollution
agricultural runoff, sewage, solid domestic waste
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15
BOD
amount of dissolved oxygen required to breakdown organic material in a given volume of water
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16
Indicator species
plants and animals that show something about the environment by their presence, absence, abundance
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17
Biotic index
indirectly measures pollution by assessing the impact on species within the community according the their tolerance, diversity, and relative abundance
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18
Eutrophication
when lakes and coastal waters receive inputs of nutrients (nitrates and phosphates) that result in an excess growth of plants and phytoplankton
New cards
19
Biochemical oxygen demand
amount of DO required to break down organic material in a given volume of water
New cards
20
**Eutrophication**
when lakes and coastal waters receive inputs of nutrients (nitrates and phosphates) that result in an excess growth of plants and phytoplankton
New cards
21
**Biotic index**
indirectly measures pollution by assessing the impact on species within the community according the their tolerance, diversity, and relative abundance
New cards
22
**Indicator species**
plants and animals that show something about the environment by their presence, absence, abundance
New cards
23
**BOD**
amount of dissolved oxygen required to breakdown organic material in a given volume of water
New cards
24
**Freshwater pollution**
agricultural runoff, sewage, solid domestic waste
New cards
25
**Marine pollution**
rivers, human pollution, pipelines
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26
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27
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28
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29
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