Download - Freshwater ecosystem
FRESHWATER
HABITATS
Freshwater habitats is defined as having a low salt
concentration It is usually less than 1%.
Limnology It is the study of freshwater Habitats
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
LENTIC HABITAT
LOTIC HABITAT
Freshwater habitats are:• Lakes• Ponds• Rivers
• Streams• Springs• Wetlands
-Marsh-Swamp-bogs
Fig. 1. Thermal Stratification
Fig. 2. Annual lake cycle
Four kinds of lake
1. Oligotrophic lake2. Eutrophic lake3. Mesotrophic lake4.Hypereutropic lake
Fig. 1. Oligotrophic lake
Fig. 2. Eutrophic lake
Fig. 3. Mesotrophic lake
Fig. 4. Hypereutrophic lake
REFERENCES
• http://www.ucmp.berkeley.edu/exhibits/biomes/freshwater.php
• Http://www.lifeinfreshwater.org.uk• http://environment.nationalgeographic.c
om/environment/habitats/freshwater-threats/
Submitted by:Ezperanza, Johndhel
S. Palencia, Sheena
Arenn A.