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retrieved 5-22-12



retreived 5-22-12

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Arctic National Wildlife Refuge

Alli, Sydney, and Whitney #3 period.



retrieved 5-22-12

Enviromental Information

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Background Information

The Arctic National Wildlife Refuge has little percipitation, winds that go up to 100 mph, and permafrost covers the ground till May. A similar ecosystem to this is the Canadian High Arctic.


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5-25-12 reindeer lichen

Cotton grass, reindeer lichen, artic willow, alpine azalea, artic sedge, and labrador tea.

Primary Consumers

5-25-12 brown lemming

Brown lemming, willow ptarmigan, snownshoe hare, caribou, misquito, musk ox, and brown bears.


Secondary Consumers


5-25-12 brown bear

Brown bear, black fly, least weasel, artic fox, snowy owl, lynx, and wolverine.

Tertiary Consumers lynx 5-29-12

Brown bear, wolverine, and lynx.

Abiotic factors

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Wind is one of the many abiotic factors in this area, the wind can blow up to 100 miles per hour



Soil in Arctic Refuge

5Diagram of some of the common soil types. Source: Richard Wheeler-5-25-12


Snow still covers the windswept tundra in spring.Snow fall is often between 6 and 10 inches


permafront still covers the land after May.



Human factors

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Mining Oil 5-29-12

Oil wells take over habitat. Pollution seeps into habitat.


Plants with such a short season can't take human disturbances. 

Oil Drilling


Food web



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Plants that make their own food.sedge


                      Sedge lives by bogs, swamps, ponds, streams, and wetlands. Its food is produced by photosynthesis. Deer, elk, caribou, reindeer, musk ox, bears, rabbits, hares, small rodents, and ground-nesting birds. Sedges look like grass, but are in a different family. A way to remember this is that sedge stems have edges, and grasses are round. With such a short season it takes many years for the sedge to repair its self from human disturbances.

Primary consumers

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Primary Consumers

The consumers that eat the producers.willow ptarmigan 6-1-12

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The Ptarmigan eat primarily birch and willow buds and catkins when available. It will also take various seeds, leaves, flowers and berries of other plant species. Insects are taken by the developing young.

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  6-1-12    a willow ptarmigan's nest and eggs

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The nest is tipicly made out of abiotic factors such as sticks,twigs,

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.  The female will try to find a place sheltered by rocks or logs to build her nest.

Secondary consumer

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The least weasel

The consumers that eat the primary consumers.least weasel 5-29-12

 The least weasel lives in open tundra, meadows, and fields; brushy edges of marshes and streams. The predators of the least weasel are larger weasels, domestic cats, snakes, lynx, and bears. The least weasel's prey are mainly rodents, including rabbits, hares, lemmings, voles, shrews, and other small animals that don't hibernate during the winter; may eat insects and amphibians during the summer. Because of their size, least weasels often chase rodents into their burrows to catch them. The females may breed several times in one year if food is plentiful.