1. The World’s Youngest Biome
TUNDRA
The World’s Youngest Biome

3. Geography Arctic zone of North America Hudson Bay Region of Canada
Northern Siberia bordering the Arctic Ocean
Greenland Coast
Northern Iceland
Arctic Circle

4. Precipitation Precipitation
Average annual precipitation is 20 cm per year.

5. The temperature ranges from -22°C to 6°C.

6. Soils The ground is always frozen beneath the top layer of soil.
Very low in minerals and nutrients.
Bare and Rocky
Seasonal very soggy with marshes, lakes, bogs, and streams.
The worlds coldest and driest.

8. Vegetation Very little
Mainly shrubs, sedges, mosses, lichens, and grasses.
No trees except lower latitude Birches
Many varieties of flowers
Very adaptable plants

9. Animal Life Not a lot of biodiversity 48 species of land mammals
Some insect species
Many migratory birds
Some marine animals

10. Human Influences One of the 3 major Carbon Dioxide sinks.
Several feet of Tundra lost every year.
Pollution from mining and oil.
Disruption of animal habitats.
Pesticides