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Different soil types develop in different climates.

Different soil types develop in different climates. Image: T. Loynachan. Soils-4-1. Prairie soils have a dark surface layer (horizon), are rich in minerals, and form in grasslands widespread across Earth’s middle latitudes. Images: NRCS. Soils-4-2.

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Different soil types develop in different climates.

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  1. Different soil types develop in different climates. Image: T. Loynachan Soils-4-1

  2. Prairie soils have a dark surface layer (horizon), are rich in minerals, and form in grasslands widespread across Earth’s middle latitudes. Images: NRCS Soils-4-2

  3. Forest soils have a light gray upper horizon, a horizon rich in aluminum and/or iron, and form in warm to cool humid regions where coniferous forests grow. Image: Soil Classifiers of Michigan Image: Bruce Molnia Soils-4-3

  4. Tropical soils are reddish and iron-oxide rich, depleted in nutrients, and form in humid and warm regions. Images: National Cooperative Soil Survey, University of Nebraska Soils-4-4

  5. Organic soils are dark colored, rich in decomposed organic matter, and form in poorly drained lowlands such as swamps and wetlands. Images: Bruce Molnia, Soil Classifiers of Michigan Soils-4-5

  6. Desert soils form in arid settings and are commonly rich in calcium carbonate. Images: Martin Miller, NRCS Soils-4-6

  7. Tundra soils form in Arctic environments, have a dark organic-rich upper layer, and a mineral rich layer over frozen ground. Images: Travis Hudson, Alaska/Yukon Society of Professional Soil Scientists Soils-4-7

  8. Different soil types develop in different climates. Image: Image: T. Loynachan Soils-4-8

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