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Wetland Soils. Natures Sponges. What is a WETLAND ?. Peat Bogs: Poor Man’s Charcoal. HISTOSOL Organic, Wet. What are hydric soils???. Hydros = water in Latin Surface layers are usually BLACK The subsoil is GRAY , and has freckles of bright ORANGE and REDS .

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wetland soils

Wetland Soils

Natures Sponges

slide4

HISTOSOL

Organic, Wet

slide5

What are

hydric soils???

Hydros = water in Latin

Surface layers are usually BLACK

The subsoil is GRAY, and has freckles of bright ORANGE and REDS.

Some very wet soils may even be BLUE, GREEN, or PURPLE!!!

slide6

Wetlands cover less than 1% of the earth, yet provide refuges to over 100,000 different types of animals

slide7

Wetlands have lots of bacteria, including some that do not need to breathe oxygen.

There are rushes, reeds, and water loving trees like mangroves.

slide9

Wetlands are a sponge, and soak up pollutants. Wetlands reduce nitrate (a pollutant) by 80%.

slide11

If wetlands are drained, the water in them starts to evaporate, and the ground starts to sink, like a drying sponge.

There is also an increase risk of flooding.

slide12

In 1950, while harvesting PEAT for fuel, two Danish man found a2000 year old body, skin and all.

How is this possible?

slide13

Tonle Sap: Wetlands for Life

Floating Village in Tonle Sap, Cambodia

www.youtube.com/watch?v=K2QPXQ-eqGA&feature=related

vocabulary
Vocabulary
  • Wetland
  • Peat
vocabulary1
Vocabulary
  • Histosols - organic soils
  • Hydric soils – soils that have properties of being waterlogged.