Biosphere: Explaining the formation of Gley Soil Flashcards
1
Q
Climate: Mor Humus as…
A
…the cold climate leads to slow decomposition.
2
Q
Climate: The soil has a blue-grey colour as…
A
…heavy precipitation causes gleying- creating anaerobic conditions
3
Q
Climate: There is a red mottling effect in the soil as…
A
…soil can dry out in summer which allows pockets of re-oxygenation of iron.
4
Q
Climate: There are angular rocks in the A and B horizons as…
A
…Freeze-thaw causes vertical mixing
5
Q
Relief: The flat surfaces that Gley soil is found on result in…
A
…poor drainage
6
Q
Organisms: Limited vegetation such as shrubs with shallow roots mean that…
A
…there is limited nutrient recycling
7
Q
Organisms: Very limited soil biota results in…
A
…clearly defined layers
8
Q
Parent material: Impermeable clay…
A
…causes waterlogging
