2. Freshwater habitats is
defined as having a low salt
concentration It is usually less
than 1%.
Limnology It is the study of
freshwater Habitats

3. 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

4. LENTIC HABITAT

5. LOTIC HABITAT

6. Freshwater habitats are:
• Lakes
• Ponds
• Rivers
• Streams
• Springs
• Wetlands
-Marsh
-Swamp
-bogs

8. Fig. 1. Thermal Stratification

9. Fig. 2. Annual lake cycle

10. Four kinds of lake
1.Oligotrophic lake
2.Eutrophic lake
3.Mesotrophic lake
4.Hypereutropic lake

11. Fig. 1. Oligotrophic lake

12. Fig. 2. Eutrophic lake

13. Fig. 3. Mesotrophic lake

14. Fig. 4. Hypereutrophic lake

15. REFERENCES
• http://www.ucmp.berkeley.edu/exhibits/
biomes/freshwater.php
• Http://www.lifeinfreshwater.org.uk
• http://environment.nationalgeographic.c
om/environment/habitats/freshwater-
threats/

16. Submitted by:
Ezperanza, Johndhel S.
Palencia, Sheena Arenn A.