⛄TUNDRA⛄

Alexis, Michael, and Caleb

WHERE IS ECOSYSTEM LOCATED?

Located from the Arctic Circle to the North Pole

Three continents; North America, Europe, and Asia

DESCRIBE THE ABIOTIC FACTORS OF YOUR ECOSYSTEM Cold soil is frozen all year/permafrost

The Tundra is always covered in snow

Winter temperatures - 35 degrees Celsius, - 50 degrees Fahrenheit

Winter last 7 to 8 months

PRODUCER: LICHEN . HOW DOES YOUR PRODUCER RELY ON OTHER ORGANISMS IN THE TUNDRA TO SURVIVE?

Needs rocks to grow on

Fungi gives lichen a place to live

Fungi also collects water and minerals

Lichen protects algae from getting too hot

HOW DO OTHER ORGANISMS OF YOUR ECOSYSTEM RELY ON YOUR PRODUCER TO SURVIVE? Lichen breaks down rocks - other plants can grow

People use lichen for medicine

Lichen is food for reindeer and caribou

Lichen provides camouflage for grizzled mantid (tiny insect)

Musk oxen and lemmings eat lichen

HOW DO HUMANS AFFECT YOUR ECOSYSTEM? Coal and oil kill lichen

Wind blows smoke and other bad things toward lichen

Gasses kill all polar plants

Some polar plants are endangered

CHOOSE ONE BIOTIC OR ABIOTIC FACTOR IN YOUR ECOSYSTEM & DESCRIBE HOW A CHANGE IN ONE OF THESE COULD YOUR ECOSYSTEM.

Change – temperature - gets hot

Too hot polar bears die - heat stroke

Seals go to colder places - polar bears get nothing to eat

Polar bears stay on land because ice melting

If polar bears do not eat the seals , seals will overwhelm fish population will decrease

Musk Ox overheat

OTHER INTERESTING FACTS: Lichen have no roots. They attach to rocks with

strands called rhizomes

Lichen can grow for over 4,000 years.

15,000 kinds of lichen.

SOURCES USED

Owen, Ruth. Polar Bear Cubs. New York: BearPort, 2011. Print.

Slade, Suzanne. What if There Were No Lemmings? North Mankato, MN: Picture Window Books, 2004. Print.

Welch, Catherine A. Polar Plants. Mankato, MN: Capstone Press, 2004. Print.

 

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