Types of ecosystem
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Types of ecosystem Presentation Transcript

  • 1. Id:-11mscit015Name:-Smit saraiya
  • 2.  An ecosystem consists of the biological community that occurs in some locale, and the physical and chemical factors that make up its non-living or abiotic environment
  • 3.  There are 3 Major classes of ecosystems. 1. Freshwater Ecosystems 2. Terrestrial Ecosystems 3. Ocean Ecosystems
  • 4.  Relatively small in area ~ 1.8% of earths surface Support many species of life including fish, amphibians, insects and plants. Base of food is found in freshwater Plankton (small microscopic organisms)
  • 5.  Many & diverse types of ecosystems. There are seven major types. Location usually dependent on the latitude of the area, and amount of precipitation.
  • 6. 1. Tropical Rain Forest.2. Savannas.3. Deserts.4. Temperate Grasslands.5. Deciduous forests.6. Coniferous forest:.7. Tundra.
  • 7.  Precipitation - 250cm/year Little temp. variation/abundant moisture Contains more species than other biomes.
  • 8.  Precipitation 90-150cm/year Open, widely spaced trees, seasonal rainfall Parts of Africa, South America & Australia
  • 9.  Precipitation 20cm/year Dry, sparce vegetation; scattered grasses Parts of Africa, Asia, Australia, North America
  • 10.  Precipitation: 10-60cm/year Rich soil; tall dense grasses Central North America; Central Asia
  • 11.  75-250cm/year Warm summers, cool winters Europe; NE United States;Eastern Canada
  • 12.  20-60cm/year Short growing season, cold winters. Northern Asia;Northern North America
  • 13.  25cm/year Open; wind swept; dry; ground always frozen Far northern Asia; Northern North America
  • 14.  Very large amount of Earth is covered by ocean (~75%) 40% of all photosynthesis occurs in oceans. 3 types of oceanic ecosystems
  • 15. 1. Shallow ocean waters2. Deep ocean water3. Deep ocean surface. ◦ Only occurs in Deep ocean surface & Shallow ocean ecosystems ◦ No photosynthesis can occur in deep ocean because light cannot penetrate deeply into water.