aquatics unit review *check your study guide as we go through the slides

AQUATICS UNIT AQUATICS UNIT REVIEWREVIEW

*Check your study guide as we *Check your study guide as we go through the slides.go through the slides.

QUESTION 1aQUESTION 1aBreakdown of Earth’s Fresh WaterBreakdown of Earth’s Fresh Water

Is there an unlimited supply of freshwater on Is there an unlimited supply of freshwater on Earth? Explain.Earth? Explain.

Saltwater 97.5% Freshwater 2.5%

Ice 77.197%

Ground Water 22.260%

Soil Moisture 0.180%

Lakes 0.323%

River & Streams 0.004%

Atmosphere 0.036%

Total 100.00%

ANSWER 1aANSWER 1aBreakdown of Earth’s Fresh WaterBreakdown of Earth’s Fresh Water

Is there an unlimited supply of freshwater on Is there an unlimited supply of freshwater on Earth? Explain.Earth? Explain.

No – freshwater only makes up 2.5% of all No – freshwater only makes up 2.5% of all water on Earth; the majority is saltwaterwater on Earth; the majority is saltwater


Ice 77.197%



Lakes 0.323%


Atmosphere 0.036%

Total 100.00%

QUESTION 1bQUESTION 1bBreakdown of Earth’s Fresh WaterBreakdown of Earth’s Fresh Water

Why is the majority of freshwater on earth Why is the majority of freshwater on earth unusable by humans?unusable by humans?


Ice 77.197%



Lakes 0.323%


Atmosphere 0.036%

Total 100.00%

ANSWER 1bANSWER 1bBreakdown of Earth’s Fresh WaterBreakdown of Earth’s Fresh Water

Why is the majority of freshwater on earth Why is the majority of freshwater on earth unusable by humans?unusable by humans?

It is frozen in polar ice caps and glaciers.It is frozen in polar ice caps and glaciers.


Ice 77.197%



Lakes 0.323%


Atmosphere 0.036%

Total 100.00%

QUESTION 2aQUESTION 2a

How is freshwater replenished on Earth?How is freshwater replenished on Earth?

ANSWER 2aANSWER 2a

How is freshwater replenished on Earth?How is freshwater replenished on Earth?PRECIPITATIONPRECIPITATION

QUESTION 2bQUESTION 2b

What is the term for the underground supply of What is the term for the underground supply of freshwater?freshwater?

ANSWER 2bANSWER 2b

What is the term for the underground supply of What is the term for the underground supply of freshwater? freshwater?

AQUIFERAQUIFER

QUESTION 3QUESTION 3

Identify 1 way you can reduce your personal Identify 1 way you can reduce your personal water consumption.water consumption.

ANSWER 3ANSWER 3

Identify 1 way you can reduce your personal water Identify 1 way you can reduce your personal water consumption.consumption.

Use low-flow showerheads, use low flush toilets, take Use low-flow showerheads, use low flush toilets, take shorter showers, only run dishwasher & washing shorter showers, only run dishwasher & washing machine when full, turn off faucet while brushing machine when full, turn off faucet while brushing teethteeth


Name the type of water.Name the type of water.

A mixture of salt and freshwaterA mixture of salt and freshwaterSalinity ranges from 2-17pptSalinity ranges from 2-17pptExample: EstuaryExample: Estuary

ANSWER 4aANSWER 4a


A mixture of salt and freshwaterA mixture of salt and freshwaterSalinity ranges from 2-17pptSalinity ranges from 2-17pptExample: EstuaryExample: Estuary

BRACKISHBRACKISH



Contains no salt or very little saltContains no salt or very little saltSalinity ranges from 0 – 1 pptSalinity ranges from 0 – 1 pptExample: River, Lake, StreamExample: River, Lake, Stream

ANSWER 4bANSWER 4b


Contains no salt or very little saltContains no salt or very little saltSalinity ranges from 0 – 1 pptSalinity ranges from 0 – 1 pptExample: River, Lake, StreamExample: River, Lake, Stream

FRESHFRESH

QUESTION 4cQUESTION 4c


Water has a salt concentration over Water has a salt concentration over 17ppt17ppt

Average salinity of the ocean is 35pptAverage salinity of the ocean is 35pptExample: OceanExample: Ocean

ANSWER 4cANSWER 4cName the type of water.Name the type of water.

Water has a salt concentration over Water has a salt concentration over 17ppt17ppt

Average salinity of the ocean is 35pptAverage salinity of the ocean is 35pptExample: OceanExample: Ocean

SALTSALT


What is the acceptable level for the What is the acceptable level for the following water quality indicator?following water quality indicator?

pHpH

ANSWER 5aANSWER 5a


pHpH6.7-8.66.7-8.6



DODO

ANSWER 5bANSWER 5b


DODO5-8.5ppm5-8.5ppm

QUESTION 5cQUESTION 5c


CO2CO2

ANSWER 5cANSWER 5c


CO2CO2<20ppm<20ppm

QUESTION 5dQUESTION 5d


NitratesNitrates

ANSWER 5dANSWER 5d


NitratesNitrates<0.3ppm<0.3ppm

QUESTION 5eQUESTION 5e


PhosphatesPhosphates

ANSWER 5eANSWER 5e


PhosphatesPhosphates<0.015<0.015

QUESTION 5fQUESTION 5f


HardnessHardness

ANSWER 5fANSWER 5f


HardnessHardness60-120 ppm60-120 ppm

(0-60 is soft, 120-180 is hard)(0-60 is soft, 120-180 is hard)

QUESTION 5gQUESTION 5g


Mayflies, Stoneflies & CaddisfliesMayflies, Stoneflies & Caddisflies

ANSWER 5gANSWER 5g


Mayflies, Stoneflies & CaddisfliesMayflies, Stoneflies & CaddisfliesPRESENTPRESENT

QUESTION 5hQUESTION 5h


ColiformColiform

ANSWER 5hANSWER 5h


ColiformColiformABSENTABSENT

QUESTION 6aQUESTION 6aWATER QUALITY DATAWATER QUALITY DATA

Which site has the worst water quality?Which site has the worst water quality?

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6aANSWER 6aWATER QUALITY DATAWATER QUALITY DATA

Which site has the worst water quality?Which site has the worst water quality?A – populations of macroinvertebrates are very A – populations of macroinvertebrates are very

low, pH is too acidic, water hardness is low, low, pH is too acidic, water hardness is low, nitrates and phosphates are elevated, DO is nitrates and phosphates are elevated, DO is too low, and coliform bacteria is presenttoo low, and coliform bacteria is present

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

QUESTION 6bQUESTION 6bWATER QUALITY DATAWATER QUALITY DATA

Which site has the best water quality?Which site has the best water quality?

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6bANSWER 6bWATER QUALITY DATAWATER QUALITY DATA

Which site has the best water quality?Which site has the best water quality?C – it has the most macroinvertebrates, all C – it has the most macroinvertebrates, all

chemical tests are in the acceptable range, chemical tests are in the acceptable range, absence of coliformabsence of coliform

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

QUESTION 6cQUESTION 6cWATER QUALITY DATAWATER QUALITY DATA

Rank all 4 sites in order from best to worst Rank all 4 sites in order from best to worst quality.quality.

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6cANSWER 6cWATER QUALITY DATAWATER QUALITY DATA

Rank all 4 sites in order from best to worst Rank all 4 sites in order from best to worst quality.quality.

Site C Site C → Site D → Site B → Site A→ Site D → Site B → Site A

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

QUESTION 6dQUESTION 6dWATER QUALITY DATAWATER QUALITY DATA

Describe the relationship between water Describe the relationship between water temperature and the amount of dissolved temperature and the amount of dissolved oxygen.oxygen.

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6dANSWER 6dWATER QUALITY DATAWATER QUALITY DATA

Describe the relationship between water Describe the relationship between water temperature and the amount of dissolved temperature and the amount of dissolved oxygen.oxygen.

As water temperature decreases, the amount of As water temperature decreases, the amount of dissolved oxygen increases.dissolved oxygen increases.

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

QUESTION 6eQUESTION 6eWATER QUALITY DATAWATER QUALITY DATA

Which site is most affected by eutrophication?Which site is most affected by eutrophication?

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6eANSWER 6eWATER QUALITY DATAWATER QUALITY DATA

Which site is most affected by eutrophication?Which site is most affected by eutrophication?A – highest levels of nitrates and phosphates, A – highest levels of nitrates and phosphates,

low dissolve oxygen is indicative of low dissolve oxygen is indicative of eutrophicationeutrophication

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

QUESTION 6fQUESTION 6fWATER QUALITY DATAWATER QUALITY DATA

Which site is most affected by acid rain?Which site is most affected by acid rain?

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6fANSWER 6fWATER QUALITY DATAWATER QUALITY DATA

Which site is most affected by acid rain?Which site is most affected by acid rain?A – lowest pH and lowest water hardness; A – lowest pH and lowest water hardness;

indicates little limestone in soil to buffer indicates little limestone in soil to buffer against acid rainagainst acid rain

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

QUESTION 6gQUESTION 6gWATER QUALITY DATAWATER QUALITY DATA

Which site is contaminated with animal waste?Which site is contaminated with animal waste?

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

ANSWER 6gANSWER 6gWATER QUALITY DATAWATER QUALITY DATA

Which site is contaminated with animal waste?Which site is contaminated with animal waste?A – presence of coliform bacteriaA – presence of coliform bacteria

WaterTemp(°C)

# of Mayflies

# of Stoneflies

# of Caddisflies

pH Hardness (ppm)

Nitrates (ppm)

Phosphates (ppm)

DO (ppm)

Coliform

Site A 24 6 2 5 6.1 55.0 7.0 3.2 1.9 Present

Site B 24 293 156 248 7.2 102.0 1.7 0.5 2.9 Absent

Site C 15 1571 624 1391 7.2 98.5 0.25 0.0 7.3 Absent

Site D 15 1558 613 1354 7.2 114.0 0.25 0.01 7.4 Absent

aquatics unit review *check your study guide as we go through the slides

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