GEO 605 Lecture 3: Note 3
30 Jan 2019
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Document Summary
The physical geography of the canadian arctic cont. Eskers: land forms that alter the landscape, not a periglacial landform, picture esker going across a tundra, formed remnants of rivers that were once inside the glacier. It is a glacial landform, not limited to the arctic. Nutrient cycles: take in the carbon, mix it with oxygen and release carbon dioxide. Exam question: mesic vegetation communities, prostrate dwarf shrub, frost shattered rock, liken. Plants: purple saxifrage (national flower of nunavut, known as cushion plant (tightly packed on soil) Artic animals: all of artic wildlife have adapted to specific artic climates, birds. Birds: low biodiversity, majority of these birds are waterfowl (ducks, geese, loons, and gulls) 3 meat eaters (falcons, ravens, and snowy owl. 3 vegetarians, 2 types of ptarmigans and redpoll. About 10 years ago, robbins began to show (food: earthworms which the arctic lacks)
