TUNDRA Ecology Keystone College Presented by Kim Sandor October 2011

TUNDRAEcology

Keystone College

Presented by Kim Sandor

October 2011

OVERVIEW:

Treeless regions Cold & windy Short growing season 2 types:

Arctic Tundra Alpine Tundra

REGION:

CLIMATE:

Arctic Tundra Average temp. = winter -30 degrees F,

summer 37-54 degrees F Summer season 50-60 days w/24 hours

of sunshine Yearly precipitation 6-10 in. Permafrost layer, ponds, streams, snow

CLIMATE: (cont.)

Alpine Tundra Summer season – 180 days High altitudes/above treeline Well drained soil

VEGETATION:

Low shrubs Sedges Mosses Grasses Lichen Flowers

Short for less vulnerability to wind

Shallow roots to pull moisture from layer of soil above permafrost

VEGETATION:

ANIMALS:

Caribou Arctic Fox Wolves Polar Bears Ravens Terns Ptarmigan

Musk Ox Bear Lemming Snowy Owl Sheep Mountain Goats Migratory Birds

ANIMALS:

ANIMALS:

THREATS:

Gas/Oil Exploration & Extraction Global Warming Air Pollution Ozone Depletion Pesticides

THREATS:

WORKS CITED:

Photos from National Geographic Website & my own photos

Information from National Geographic Website & University of CA Museum of Paleontology