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Geography 313
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Define Soil
The uppermost layer of land surface that plants use and depend on for nutrients, water and physical support
Give the three components of soil
Mineral particles
Detritus
Soil organisms feeding on Detritus
when it comes to vegetation what do soils determine
Soil determine the nature of vegetation that is able to survive in that environment
Soils is natures _________ system
Soil is natures RECYCLING system
Name the five soil forming factors
Climate
Parent Material
Topography
Biota
time
What scale do we look at in terms of the climate of a soil (macro or micro)
We look at the MACRO scale of climate when referring to soil
What is often considerd to be the most dominant soil forming factor in terms of the five seen above
The five are
Climate
Parent material
Topography
Biota
Time
CLIMATE is often considerd to be the dominant soil forming factor specifically temperature although he didnt mention that in his slides
When it comes to Topgoraphy what is it you should think of in realtion to the sun
North Versus South facing slopes
South facing slopes recieve more solar energy and hence are warmer and drier
What else should be thought of in regards to topography
Altitude
What impact does altitude have on soil
Higher altitudes means more precipitation, potentially in the form of snow and cooler temperatures
Whats one more thing to think of in relation to topography specifcally in regards to the slopes and or vallys of an air
Drainage is key. on a big slope with a large valley draiage will be high on the slopes and hence low in the vally creating stagnent areas of water.
Define parent material
Parent Material - The mineral substrate on which the soil is developed on
What does vegetation add to the soil
the death of vegetation will create organic matter on which other forms of vegetation may prosper on
Time
just time how long the soils been there whats happened to that soil in that time frame etc.
Author
Will123
ID
40712
Card Set
Geography 313
Description
Outline 1 geography 313 straight from lectures
Updated
2010-10-08T19:58:13Z
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