characteristics of a biome soil Flashcards

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1
Q

what is the zonal soil associated with the tropical rainforest biome.

A

The latosol is the zonal soil associated with the tropical rainforest biome.

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2
Q

why is the soil low in nutrients

A

due to constant leaching

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3
Q

what does constant leaching cause in the soil

A

the rainforrest has a short nutrient cycle

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4
Q

where are nutrients found

A

Nutrients are mainly found in the living plants and layers of decomposing leaf litter on the surface (O horizon). A study of the Amazon rainforest found that 99% of nutrients are held in the root mats of the forest floor.

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5
Q

what do decomposers do

A

Decomposers such as insects, bacteria and fungi make quick work of converting dead plant and animal matter into humus

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6
Q

what happens when the rainforrest gets cut down and burned

A

nutrients are removed from the ecosystem

can only be used for a very short time before it becomes completely depleted of all its nutrients.

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7
Q

what happens to latosols if they lose there vegetation cover

A

the soils quickly dry up due to the intense heat and laterite soils develop. Laterite is a hard brick-like soil impossible to cultivate

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