Biomes - Biome Tundra Geographical Features Most Northerly...

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Biome Geographical Features Vegetation Tundra Most Northerly Biome. Eurasia Meadow-like vegetation: sedges, few grasses North America, Between Taiga About top 30 cm soil thaws during growing forests and Polar season, roots can freely penetrate it. Below that Latitudinal (arctic) and montane soil water is permanently frozen. tundra (alpine tundra) Exceeding slow succession Similar tundra vegetation in high mountains. 60ºN Alaska timberline (tree line) 900m 45ºN Rocky Mountain 3000m 20ºN Central Mexico 4000m Taiga - Cold Conifer Forest 1 Norther Conifer Forest (spruce pine, fir) Rapid plant growth and reproduction in summer Eurasia, North America - forest belt Growing Season 3-5 months Largest Biome Cone Bearing Plants, gymnosperms, spruce (picea) Fir (Abies), pine (Pinus) Leaves are evergreen and needlelike. Low Shrubs and forbs, almost no grasses Slow succession, forbs (dicot weedy plants) - shrubs - trees Temperate Deciduous Principle forests of Northern Hemisphere Climate supports trees which lose leaves seasonally (Deciduous: Leaf-Dropping habit)
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This note was uploaded on 05/05/2008 for the course BIO 52030 taught by Professor Zhao during the Fall '07 term at University of Texas at Austin.

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Biomes - Biome Tundra Geographical Features Most Northerly...

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