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Biomes

Biomes. 2/15/12. What is a biome?. A type of Ecosystem. What are the main classification of biomes? . Aquatic Marine Freshwater Deserts Forests Grasslands Tundra. What are Terrestrial Biomes?. Biomes that are dominated by land. Deserts Forests Grasslands Tundra.

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Biomes

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  1. Biomes 2/15/12

  2. What is a biome? A type of Ecosystem

  3. What are the main classification of biomes? • Aquatic • Marine • Freshwater • Deserts • Forests • Grasslands • Tundra

  4. What are Terrestrial Biomes? • Biomes that are dominated by land. • Deserts • Forests • Grasslands • Tundra

  5. What characterizes a desert Biome? rainfall is less than 50 cm/year Usually specialized vegetation and vertebrate and invertebrate animals. Often nutrient rich soil due to lack of water and organic matter. Frequent disturbances: occasional fires or cold weather, and sudden, infrequent, but intense rains that cause flooding and erosion. few large mammals

  6. What types of deserts are there? 1) Hot and dry 2) Semiarid 3) Coastal 4) Cold

  7. What characterizes grasslands? Dominated by grass (instead of shrubs or trees)

  8. What types of grassland are there? Savannas (tropical grasslands) Temperate grasslands

  9. What characterizes a tundra? Extremely cold climate Low biotic diversity Simple vegetation structure Limitation of drainage Short season of growth and reproduction Energy and nutrients in the form of dead organic material Large population oscillations

  10. What types of Tundras are there? Artic Tundra Alpine Tundra

  11. What characterizes a forest biome? Dominated by woody plants (trees and shrubs)

  12. What types of forest biomes are there? • Tropical • Temperate • Boreal (tiaga) Other classifications • Wet or Dry • Deciduous or Evergreen

  13. What is an Aquatic Ecosystem? An ecosystem dominated by water.

  14. What characterizes a Marine Biome? Mostly Salt water Cover ¾ of the surface of the earth

  15. What types of Marine ecosystems are there? Oceans Coral reefs Estuaries

  16. What are freshwater biomes? Less than 1% salt concentration.

  17. What types of freshwater biomes are there? Ponds and lakes Raparian (rivers and streams) Wetlands

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