The varying power of different actors in relation to water management issues
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Physical and economic water scarcity, and the factors that control these including the causes and impacts of droughts; the distinction between water quantity and water quality
Environmental consequences of agricultural activities on water quality, to include pollution (eutrophication) and irrigation (salinisation)
Growing human pressures on lakes and aquifers, including economic growth and population migration Internationally shared water resources as a source of conflict
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Exam style questions
(i) Explain how irrigation can lead to salinization. [2]
(ii) Explain two consequences of salinization for farmers. [2+2]
Discuss the environmental consequences of eutrophication and the pollution of aquifers. [10]
(ii) Explain two consequences of salinization for farmers. [2+2]
Discuss the environmental consequences of eutrophication and the pollution of aquifers. [10]
Explain the environmental impacts caused by groundwater abstraction. [6]
Mark scheme notes:
Mark scheme notes:
- A simple list of impacts with no explanation should not be awarded more than 2 marks. A list with some explanation should be credited more than 2 marks where appropriate.
At least two impacts could be explained in detail; more impacts in less detail are acceptable.
Examine the possible impacts of the mismanagement of groundwater resources. [10]
Example of a 10 mark question. This received full marks. You will see why.