Dryland
11 important questions on Dryland
What is a dryland?
Why is it better to use the aridity index then looking at the growing season to determine if it's a dryland?
What will increase aridity in drylands in the future?
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How are drylands often characterized?
What are three key dryland ecosystem services?
2. Regulating services: Benefits obtained from the regulation of ecosystem processes.
3. Cultural services: Non-material benefits obtained from ecosystems.
The conditions for a wild fire are quite well in drylands, explain why.
Why is the C4 pathway more suited for dry conditions?
What is hydraulic redistribution?
What are self-organised patches?
What three things do you need to know about self-organised patches?
2. Bare soil around is crusted which leads to more run off.
3. Vegetation persists once present, but bare soil is too hostile for recolonization after the vegetation disappeared.
What are the three faces of dryland vulnerability (ecosystem disruption)?
2. Soil disruption phase.
3. Systematic breakdown phase.
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