Classifications

Question 1

What are the 10 classifications of soils recognized by Canada?

Answer 1

1. chernozemic
2. solonetzic
3. podzolic
4. gleysolic
5. luvisolic
6. brunisolic
7. regosolic
8. vertisolic
9. cryosolic
10. organic

Question 2

What are gleysols?

Answer 2

in water saturated areas

very saturated soils that have poor drainage and are gleyed

Question 3

What are podzols?

Answer 3

coastal, forest soils, usually coniferous
acidic soil with a distinct E horizon
can have an iron pan

Question 4

Which soils have a distinct E horizon or an iron pan?

Answer 4

podzols

Question 5

What are solonetz?

Answer 5

grassland soils, usually in dry areas with a basin or depression
hardpan soils
with high sodium content in the B horizon
high pH
clay rich

Question 6

what are organic soils?

Answer 6

associated with the accumulation of OM in water logged conditions = PEAT

Question 7

what are regosols?

Answer 7

newly and poorly developed soils without a B horizon

could be caused by a catastrophic event

Question 8

what are cryosols?

Answer 8

soils in the Arctic or tundra where there is permafrost

Question 9

Which soils have higher OM content: grasslands or forests?

Answer 9

grasslands bc of their extensive underground root systems

Question 10

Which soils store half the world’s carbon? how?

Answer 10

cryosols

the freeze/thaw turbulation has buried carbon for thousands of years

Question 11

how does soil formation begin?

Answer 11

when OM from plants and animals are added to fresh sediment or PM