Geography 2010A/B Lecture Notes - Lecture 3: Permafrost, Ice Field, Xerophyte
10 Apr 2015
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Decoduous forests are composed of trees that? lose their leaves each winter. Coniferous forests are composed of ? evergreen trees. 3 major vegetation type sin canada? grassland, forest and tundra. Xerophyte? plant that has adapted to low amounts of water. Where is tundra vegetation found and how do they reproduce? in arctic and alpine areas, by runners. Tundra plants have shallow root systems due to? permafrost environment. Krumholz? plant that grows sideways due to harsh winds. When the temperature of the soil is below. 0 degrees a northerly aspect (sun shines down a lot) Continuous permafrost? discontinuous permafrost? atleast 80% of the ground is permanently frozen. 30% to 80% of the ground is permanently frozen. 2 main risks of permafrost melting? roads and railways buckle and building fracture. Cryosolic soil? most dominant soil in the three territories. What is a divide? found in dry climates, grassland is common area in western.
