plant establishment /maintenance /composition Flashcards
1
Q
hydrologic regime…
A
master variable
2
Q
hydroperiod
A
change in water level over time
3
Q
hydrologic budget
A
balance of inflow and outflow over time
4
Q
evapotranspiration
A
accounts for up to 60 percent of water loss
5
Q
diversity _____ with stabilization
A
drops
6
Q
normal level of oxigen in soil air spaces
A
21%
7
Q
hypoxic
A
1-30% of of the normal oxygen level
8
Q
anoxic
A
less than 1% of the normal oxygen level
9
Q
salts make it hard…
A
for plants to obtain CO2 and beneficial ions like K+
10
Q
A