Sustaining Ecosystems Flashcards
What are the three case studies for sustaining ecosystems?
- Crocker Range Biosphere Reserve, Borneo
- Union Glacier
- Antarctic Treaty
What is the Crocker Range Biosphere Reserve about?
Sustainable management of a tropical rainforest.
What is the Union Glacier an example of?
Small-scale management - Antarctica Tourism
What is the Antarctic Treaty an example of?
Global scale management strategy.
What are the most important goods in a rainforest and why?
Fruit + veg - for survival
How does the rainforest benefit indigenous people economically?
Provides income through subsistence farming.
What is an example of an endangered species in tropical rainforests?
Orang-utan
In a tropical rainforest, how do the leaves reduce flood risk?
Leaves intercept and slow down water reaching the ground.
What are two products that are made from timber?
- Doors
- Paper
What are two negative environmental impacts of human activity on rainforests?
- Lack of roots means ground is less stable, which increases the risk of landslides.
- Fewer trees means a high concentration of carbon dioxide in the atmosphere.
Why are tropical rainforest soils poor? (3 points)
- Infertile soil
- Thin layer of topsoil
- Plants take up nutrients quickly
What are two causes of deforestation and how do they cause it?
- Settlements, space is needed for housing
- Logging, trees are used for timber
What are the three zones of the Crocker Range Biosphere Reserve?
- Core area
- Buffer zone
- Transition zone
What are two terms of the Antarctic Treaty?
- No nuclear activity
- Prohibits new territorial claims
What are the 7 biomes?
- Tundra
- Tropical rainforest
- Temperate forest
- Savannah grassland
- Temperate grassland
- Arid
- Coral reefs
