Freshwater ecosystem

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Freshwater ecosystem

  1. 1. Freshwater habitats is defined as having a low salt concentration It is usually less than 1%. Limnology It is the study of freshwater Habitats
  2. 2. Types of Freshwater Habitats • Lentic habitat - Calm freshwater habitat or standing water refers to standing or relatively still water, from the Latin lentus, which means sluggish.II. • Lotic Habitat -Washed or the running water refers to flowing water, from the Latin lotus, to wash
  3. 3. LENTIC HABITAT
  4. 4. LOTIC HABITAT
  5. 5. Freshwater habitats are: • Lakes • Ponds • Rivers • Streams • Springs • Wetlands -Marsh -Swamp -bogs
  6. 6. Fig. 1. Thermal Stratification
  7. 7. Fig. 2. Annual lake cycle
  8. 8. Four kinds of lake 1.Oligotrophic lake 2.Eutrophic lake 3.Mesotrophic lake 4.Hypereutropic lake
  9. 9. Fig. 1. Oligotrophic lake
  10. 10. Fig. 2. Eutrophic lake
  11. 11. Fig. 3. Mesotrophic lake
  12. 12. Fig. 4. Hypereutrophic lake
  13. 13. REFERENCES • http://www.ucmp.berkeley.edu/exhibits/ biomes/freshwater.php • Http://www.lifeinfreshwater.org.uk • http://environment.nationalgeographic.c om/environment/habitats/freshwater- threats/
  14. 14. Submitted by: Ezperanza, Johndhel S. Palencia, Sheena Arenn A.

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