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FRESHWATER HABITATS

Freshwater ecosystem

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Page 1: Freshwater ecosystem

FRESHWATER

HABITATS

Page 2: Freshwater ecosystem

Freshwater habitats is defined as having a low salt

concentration It is usually less than 1%.

Limnology It is the study of freshwater Habitats

Page 3: Freshwater ecosystem

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

Page 4: Freshwater ecosystem

LENTIC HABITAT

Page 5: Freshwater ecosystem

LOTIC HABITAT

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Freshwater habitats are:• Lakes• Ponds• Rivers

• Streams• Springs• Wetlands

-Marsh-Swamp-bogs

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Fig. 1. Thermal Stratification

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Fig. 2. Annual lake cycle

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Four kinds of lake

1. Oligotrophic lake2. Eutrophic lake3. Mesotrophic lake4.Hypereutropic lake

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Fig. 1. Oligotrophic lake

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Fig. 2. Eutrophic lake

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Fig. 3. Mesotrophic lake

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Fig. 4. Hypereutrophic lake

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Submitted by:Ezperanza, Johndhel

S. Palencia, Sheena

Arenn A.