biomes. large geographic areas with similar climax communities
DESCRIPTION
Factors that Determine Climate Temperature Latitude –Zero latitude at the equator –90° latitude at the poles –The higher the latitude the lower the suns energyTRANSCRIPT
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Biomes
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Biomes
• Large geographic areas with similar climax communities.
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Factors that Determine Climate• Temperature• Latitude
– Zero latitude at the equator– 90° latitude at the poles– The higher the latitude the lower the suns energy
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• Elevation– The distance above sea level– Atmosphere acts as insulation
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• Precipitation• The amount of moisture that condenses
and falls to the earth as rain.
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Terrestrial Biomes(land)• Tundra
– A treeless area between the icecap and the tree line of Artic regions, having a permantly frozen sub-soil(Permafrost) and supporting low growing vegetation. Little precipitation
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Taiga( Northern Coniferous Forest)
• Sun-artic, evergreen coniferous forests of sub-artic lands, covering vast areas of North America and Eurasia
• Dominated by fir and spruce trees
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Temperate Deciduous Forest
• Found in the northern and southern hemispheres
• Latitudes below 50°• Four distinct seasons• Temp range –0 to 30°C• 75 to 150cm of precipitation
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Tropical Rainforest
• At the equator• Lush green plants• 200 to 400cm of rain per year• Constant temp of 25°C• Hot and humid
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Grassland
• Temperate and tropical regions• 25-75 cm of rain a year• Good farming area• Dry season
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Desert• Arid region• Less than 25cm of rain per year• Sparse or no vegetation• Covered in sand or gravel
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Aquatic Biomes(water)
• Two types of water biomes– Freshwater – Marine
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Freshwater Biome• The aquatic biome consisting of water containing fewer
salts than the waters in the marine biome; divided into two zones: running waters (rivers, streams) and standing waters (lakes, ponds).
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Marine Biome
• The aquatic biome consisting of waters containing 3.5% salt on average; includes the oceans and covers more than 70% of the Earth's surface.