Topic 4 Flashcards
(22 cards)
Name some natural reasources
Water air forests animals marine life soil
List 3 ways people use rocks
Mining-rocks and soil contain minerals such as gold diamonds
Heat and electricity- burning coal (rocks) makes heat and electricity
Chemicals from coal and other rocks are used in many industries
Name two ways people use soil.
To grow food and forests
To raise animals
List four ways people use water
Watering crops
Drinking washing removing sewage
Used in mines and industry to make things clean
Fish live in water
What does MPA stand for
Marine protected areas
Where was the first marine area to be protected in South Africa
Tsitsikamma
What are marine reserves good for
Protect and conserve marine life
Control and harvesting of coastal marine species
Reduce conflict between people competing for coastal resources
Name the two different types of community conservation projects
Projects that show people better ways to use natural resources in their environment such as the rainman landcare foundation
Projects that make income for local communities by using natural environment as a reasource such as the mahushe shangwe game reserve
What are swales
Banks of grass planted between beds of crops to keep water in the soil for longer
What does ecotourism aim to manage and protect
The natural beauty and biodiversity of the area
An area’s important historical and natural sites
Give 9 examples of Eco tourism activities
Game viewing Pony trekking Bird watching Scuba diving and snorkelling Hiking Whale watching Mountain biking Visiting historical sites Rock climbing
List a few reasons why dams are important
Water has to be dtored in dams Water needs to be cleaned Clean water must be stored Water has to be pumped along pipes to settlements Dams store water Dams provide a regular supply of water for settlements farms and industry Dams help to control the flow of river Water can be moved Some make electricity
List five alternatives to building dams
Use the avalibe water better and avoid waste
Recycle waste water
Use less water on farms improving irrigation systems
Repair water supply systems
Store water under ground to prevent evaporation
What does RHP stand for
River health program
What is the RHP’s logo?
A dragonfly
What is the RHP
An organisation that works towards finding out where and how river catchments have been damaged
List a few ways we can care for our river catchment areas
Farmers use natural fertilisers and pesticides
Keeping the vegetation so that the rivers don’t collapse
Laws to stop people from dumping in the river
What are the subsistence farmers impact on the land?
They don’t use chemicals that pollute water sources
They use traditional farming methods
They do not change the land by making drains and removing wetlands water crops by hand
What are commercial farmers impact on the land
Use artificial chemicals
Pesticides and fertiliser can wash in to rivers causing pollution
Large scale irrigation systems use a lot of water
List four ways farmers can use water more responsibly
Choosing an irrigation system that reaches each plant to ensure water gets to the plant
Ensure irrigation is at the coolest part of the day to avoid evaporation
Make sure water drains well
Plant crops that do not need a lot of irrigation
What impact does industry have on water
They use 8% of Africa’s water
Poisonous chemicals from industries
South Africa spends billions of dollars making the polluted water safe
It’s illegal for industry to pollute the environment
How we can use water responsibly at home
Fixx leaking pipes
Mend dripping taps
Use buckets of water to wash cars yards and windows
Don’t leave the tap running when you brush your teeth
Use tanks to store rainwater
Install toilets that use less water
