Topic 16: Biogeography Flashcards
1
Q
How are biomes classified?
A
biomes are classified by the broad scale distribution of similar vegetation and associated animals
2
Q
How did the burrowing owls #’s go down?
A
range existed within the prairie landscape but were greatly disrupted by agricultural expansion.
3
Q
How are aquatic systems classified?
A
aquatic systems are divided on physical characters:
- fresh water
- non flowing (lentic) and flowing (lotic)
- marine
- coastal and open water
4
Q
What is eutrophic?
A
much higher, elevated amounts of nutrients (leads to algal blooms
5
Q
What is mesotrophic?
A
aavd/ideal amount of nutrias (clear lake with some vegetation)
6
Q
What is oligotrophic?
A
very low in nutrients (clear lake with NO vegetation- does not have enough nutrients to support)
7
Q
What is dystrophic?
A
very high in organic matter (ie humic substances)
