Ecoeconomics Flashcards
1
Q
Ecosystem services
A
services that benefit us
2
Q
Four groups of ecosystem services
A
- Provisioning (food, water)
- Regulating (climate control, flood protection)
- Cultural (recreational, spiritual)
- Supporting (soil formation, nutrient cycling)
3
Q
Estimated total value of the world’s ecosystem services
A
Approximately $33 trillion (1997)
4
Q
Aphids on pecan trees
A
They damage pecan trees by extracting large amounts of photosynthate (a sugar or something made by photosynthesis) and water from leaves
5
Q
How many acres is a football field?
A
approx. 1.32
6
Q
How many acres in a hectare?
A
2.47
