Unit 4b – Water ResourcesOutcome: ES20-AE1 – Analyze the relationship between biotic

and abiotic factors that provide criteria to determine the condition of aquatic systems.

ES20 – AE2 – Recognize the mechanisms and importance of watershed in aquatic systems.

Outcome and Indicator Self-Assessment – what all did we hit so far?ES20-AE1 Analyze the relationship between biotic and abiotic factors that provide criteria to determine the condition of aquatic systems.

a. Provide local and regional examples of aquatic systems including standing water bodies (e.g., lakes, saline lakes, and wetlands), flowing water bodies (streams and rivers) and groundwater. (K)

b. Explain how the condition of an aquatic ecosystem can be measured using chemical factors, physical factors, and biological indicators including indicator species, keystone species and invasive species. (K, STSE)

c. Measure abiotic factors (e.g., turbidity, temperature, dissolved oxygen, and particulates) of an ecosystem using a variety of methods (e.g., probe ware, pH paper, Secchi disks, an Imhoff settling cone, and chemical water quality test kits). (S, STSE)

d. Examine the diversity of life existing in an aquatic ecosystem through water sampling, classifying aquatic biota, assessing biodiversity, calculating a water quality index and/or algal productivity. (K, S)

e. Assess the interdependencies between abiotic (e.g., pH, dissolved oxygen, turbidity, temperature, total dissolved solids, phosphorous, nitrogen, stream flow, and biochemical oxygen demand) and biotic factors in a functioning aquatic ecosystem. (K)

f. Investigate bacterial content in surface water and compare the presence of coliform bacteria to surface water quality standards following appropriate safety procedures. (A, S, STSE)

g. Analyze the societal and environmental impacts of point source and non-point source pollution on human and aquatic systems. (STSE, K, A)

h. Analyze the rationale for developing and enforcing water quality standards such as the Saskatchewan Surface Water Quality Objectives and the Canadian Water Quality Index and legislation such as the Canada Water Act and the International River Improvements Act. (STSE, K)

i. Analyze emerging health challenges such as the spread of disease, mercury in fish, blue-green algae, and E. coli in drinking water that result from changes to the condition of aquatic systems. (STSE, K)

Outcome and Indicator Self-Assessment – what all did we hit so far?ES20-AE2 Recognize the mechanisms and importance of watersheds in aquatic systems a. Recognize watersheds as areas of land that drain into specific bodies of surface

water or ground water, and that link all living things within that watershed. (K) b. Identify inflows (e.g., runoff, groundwater) in local watersheds and outflows to larger

continental watersheds and their effect on water quality. (S) c. Differentiate among the roles of streams, rivers, lakes, wetlands, groundwater,

groundwater recharge areas, aquifers in a watershed. (K) d. Describe the benefits of the ecological goods and services provided by wetlands. (K) e. Examine how individuals, organizations and government agencies (e.g., Watershed

associations, Water Security Agency) work to ensure clean and abundant water through producing water regulations and allocation policies. (K, STSE)

f. Describe the operation and effectiveness of technologies and processes developed to protect drinking water sources locally and globally. (K, STSE)

g. Recognize different characteristics of lakes from naturally oligotrophic to eutrophic as well as possible causes and consequences of cultural eutrophication (e.g., clearing of land, excessive fertilizer runoff, and treatment plants). (K)

h. Assess the importance of riparian areas in protecting aquatic ecosystem health. (K) i. Compare net primary productivity of wetlands and aquatic ecosystems to other

natural ecosystems. (K)

New Indicators g. Analyze the societal and environmental impacts of point source and non-point

source pollution on human and aquatic systems. (STSE, K, A) h. Analyze the rationale for developing and enforcing water quality standards

such as the Saskatchewan Surface Water Quality Objectives and the Canadian Water Quality Index and legislation such as the Canada Water Act and the International River Improvements Act. (STSE, K)

i. Analyze emerging health challenges such as the spread of disease, mercury in fish, blue-green algae, and E. coli in drinking water that result from changes to the condition of aquatic systems. (STSE, K)

d. Describe the benefits of the ecological goods and services provided by wetlands. (K)

e. Examine how individuals, organizations and government agencies (e.g., Watershed associations, Water Security Agency) work to ensure clean and abundant water through producing water regulations and allocation policies. (K, STSE)

f. Describe the operation and effectiveness of technologies and processes developed to protect drinking water sources locally and globally. (K, STSE)

g. Recognize different characteristics of lakes from naturally oligotrophic to eutrophic as well as possible causes and consequences of cultural eutrophication (e.g., clearing of land, excessive fertilizer runoff, and treatment plants). (K)

Format

Read page(s)Review important points with partnerShare a pointListen to Petlak/presentation

Water Uses & IssuesWater Book Pg 34Define and provide an example of the below.Instream uses –

Withdrawal uses –

Water consumption –

Water pollution –

Water Resource problems fall into three categories, what are they?

Consumption, Flooding, DroughtWater Book Pg 35-36

Too little water – consumption – rates of use are increasing greater than the rates of population increase. What all might consume water and what for?

Too much water – flooding – connect to global warmingFlooding caused by quick melts of snow or heavy rainfall.

If soil is saturated with water, it will run off more into watersheds. Wetlands and lakes help mitigate the flooding. Vegetation and minimal pavement also aids in this. Solution to flooding?

Not enough water – drought – evaporating water. Vegetation helps the ground hold more water, shades the ground, and limits the amount of water vapour the wind may move.

70% of world fresh water use is with irrigation – how can we mitigate the need for irrigation water? How is it beneficial?

Allocating water use from aquifers – why is overusing the aquifer water problematic?

Social and biotic impacts of overdrawing surface waters – example?

Activity 6 and Learning Check – finish with this. Due next day/end of class.

Irrigation, Aquifer Depletion, Overdrawing Surface WatersWater Book Pg 37-38

Water Quality and PollutionRead 39-41

Define and provide an example of the below.

Point source pollution -Nonpoint source pollution –

Types of water pollution

Cause and Effect of Contaminants – list 5.

Sedimentation and Siltration –

Increasing Oxygen Demand –

Increasing Nutrients –

Groundwater Contamination –

Pg. 42 - Activity 7 (no formal write-up required) and Learning Check

Water ManagementPg. 42-44What do the dams and reservoirs do for

water management on the Saskatchewan River?List 5 solid points.

Case Study: Lake Diefenbaker (and Sturgeon)Pg 44-46

Summarize – list 10 points summarizing its creation, impacts, uses and other facts.

Water Conservation and StrategiesReduce

Retrofit

Repair

Reducing Agricultural Water ConsumptionReducing Water Consumption in IndustryReducing municipal water consumption

Water Quality and PurificationPg 49-51 + 52-56 if time available.Cases of Contaminated Water

What are two?

How is water purified?

Ch. 14 – Water (Pearson Text)This will help cover many indicators generally.

14.114.214.3