GEO 155 1st Edition Lecture 15 Last Lecture Vegetation Outline of Current Lecture I Distribution of Vegetation a Completing Transects from other Latitudes b Transect from Gulf to Arctic through Eastern North America c Transect from East Coast to West Coast d What s at High Latitudes on West Coast Current Lecture Subtropical Desert Shrub Land Scattered shrubs with drought coping characteristics o Succulence o Small Leaves Herbaceous Annuals desert wildflowers o A lot of available space in shrub lands for them to grow Transect from Gulf to Arctic through Eastern North America Temperate Broadleaf Deciduous Forest Forest enough energy and moisture Deciduous cold winters o Damage by snow and ice o Physiological drought Broadleaf most efficient shape Temperate moderate These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Exceptions in the Southeast Broadleaf Evergreen Forest Pine Forest Sandy soils Fires Needle leaf Evergreen Forest Boreal Forest or Taiga Forest enough energy and moisture Evergreen long severe winter Needle leaf cylindrical rod like shape of lead resists damage and less snow collection of branches Canada Alaska Northern Europe Siberia Russia Parts of Asia Hardly seen in Southern Hemisphere Tundra Subarctic Short woody shrubs and herbaceous perennials o Low slow growing o Limited energy o Protection by snow insulation Transect from East to West Coast East Coast Temperate Broadleaf Deciduous Forest Midwest Mid latitude Grassland prairies Too dry for trees and fires Intermountain West Mountains Similar to high latitudes Needle leaf Evergreen Forest or Tundra Mid latitude Deserts In between mounains rain shadow Shrub land contiguous with less extreme adaptations no cactus and small leaves Cooler less evaporation from the soil o No herbaceous annuals No room to germinate Higher Latitudes of West Coast Mediterranean Peak growing season in the spring Evergreen Sclerophyllous Shrub Land Chaparral Leave small with waxing coating to reduce loss of water Most typical vegetation of the Mediterranean Climate Needle leaf Evergreen Forest Better conditions Strongest of this type of vegetation found here
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