Freshwater 4 - Water management futures

What is the process of removing contaminants from water to be fit for consumption?

• Water recycling
• Water desalination
• Water purification
• Water hydration

Local communities can improve the management of their water supplies by doing what to their water?

• Ignoring pollution sources in the area

• Increase water usage without limits

• Recycling

• Rely solely on government regulations

What can LIC communities do to cost-effectively destroy micro-organisms?

• Use cold storage methods
• Use UV light, chemical disinfectants

• Use chemicals

• Boil the water

Water use needs to be sustainable for the use by future generations. Which of the following is NOT an effective way of minimising water waste?

• Installing water butts in gardens

• Using water-efficient appliances (e.g. dual-flush toilets)

• Ignoring leaks and excessive water use
• Monitoring usage with water meters

Which irrigation method is the most effective at conserving water?

(a)  

What is integrated drainage basin management?

• A method for increasing agricultural yield in a region
• A strategy for managing water resources within a watershed

• Involves different stakeholders for economic development and minimising environmental impact

• A plan for constructing dams without environmental assessments

What are marshes, fens, peatlands all collectively known as?

• deserts
• grasslands
• wetlands
• forests

Dams are multi-purpose schemes because they can have many functions. What can they NOT do?

• Generate electricity

• Control flooding

• Control weather patterns

• Supply water for industry and agriculture

Identify the advantage of constructing dams out of the following:

• Disruption of ecosystems

• Decline of fish stocks

• Forced resettlement of people

• Clean drinking water

Identify the disadvantage of constructing dams out of the following:

• Support for economic growth (navigation)

• Nutrient flows blocked

• Improved flood control

• Recreational use