Biomes

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Biomes
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What are biomes?

• Biomes are large geographical areas that have
  similar climates and ecosystems.

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The biomes

• Tundra
• Taiga
• Temperate deciduous forest
• Tropical Rain forest
• Grassland
• Desert

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Let's take a closer look at each one....
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TUNDRA Fact sheet

• Located at latitudes around the north and the
  south pole.
• Little precipitation- less than 25 cm/yr.
• Covered with ice most of the year.
• Winters are 6 to 9 months long/ summers are
  short.
• Covered with permafrost (permanently frozen soil)

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Tundra Biome
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Tundra Biome
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Taiga Biome

• Located at latitudes between 50 60 degrees
  north.
• Precipitation between 35-40 cm each year.
• Covered with cone bearing trees called coniferous
  trees. Very similar to pine trees
• Very long cold winters that last more than 5-6
  months.
• No permafrost. The ground thaws!!

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Taiga
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Taiga
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Temperate Deciduous Forest

• Located at latitudes below 50 degrees North.
• Have four seasons each year. Summer, Spring,
  Winter, and Fall
• Precipitation ranges between 75-150 cm/ yr.
• Winters are cool and summers are warm.
• Covered with deciduous trees (trees that lose
  their leaves).
• Found in the eastern United States

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Temperate Deciduous Forest
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Temperate Deciduous Forest
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Temperate Deciduous Forest
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Tropical Rain Forest

• Located near the equator.
• Average rainfall 200 to 225 cm/ yr.
• Warm temperatures most of the year- hot and humid
  climate.
• Contains over 700 species of trees and 1000
  species of flowering plants.
• Contains the most variety of animal species
  compared to every other habitat.
• Most of the worlds medicine comes from the rain
  forest

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Tropical Rain Forest
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Tropical Rain Forest
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Tropical Rainforest
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Grassland Biome

• Precipitation between 25 and 75 cm/yr.
• Covered with communities of grasses.
• Have large root systems that can withstand
  drought conditions.
• Rich and fertile soil.
• Home to grazing animals and farmland.

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Grassland
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Grasslands
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Grassland
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Desert Biome

• Driest biome on earth. Less than 25 cm of rain
  per year.
• Located near 30 degree North and South latitude .
• Animals and plants have special adaptations for
  survival.
• Rain is quickly drained away or evaporated.

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Deserts
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Desert
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Where is the world's largest desert?
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Antarctica

• It is the largest desert on earth
• It is a desert because it receives less than 10
  of precipitation per year
• The ice at Antarctica is nearly 3 miles deep