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Aquatic Ecosystems. Freshwater Ecosystems. -Aquifers -Springs -Ponds -Lakes -Creeks/Streams -Rivers -Wetlands. Makes up < 3 % of water on earth. Essential for Freshwater Ecosystem. Dissolved Oxygen Minerals and Nutrients Species Diversity .

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Freshwater ecosystems
Freshwater Ecosystems

-Aquifers -Springs -Ponds

-Lakes -Creeks/Streams -Rivers

-Wetlands

Makes up < 3 % of water on earth


Essential for freshwater ecosystem
Essential for Freshwater Ecosystem

  • Dissolved Oxygen

  • Minerals and Nutrients

  • Species Diversity


Ponds and lakes
Ponds and Lakes

Zones:

  • Littoral

  • Photic

  • Benthic

Plankton:

Zooplankton

Phytoplankton

Decomposers


Eutrophication
Eutrophication

An increase in aquatic plants or alga due to an increase in nutrients.




Alabama s natural setting
Alabama’s Natural Setting

  • 1,438 miles of navigable channels

  • 77,000 miles ofrivers and streams

  • 563,000acres of lakes, ponds, reservoirs

  • 33.5 trillion gallons of water flow through river systems.

  • 16 major locks and dams on 6 river systems



Shoal Creek

What impact are these dams having on this creek system?

Accumulation of water and habitat division.


Human influence
Human Influence

Extensive pollution:

-Industrial

-Agricultural

-pesticides

-animal waste

-Household waste

-septic tanks

-Oil spills

-Nuclear waste


Why should aquatic ecosystems be a major concern for future scientists
Why should aquatic ecosystems be a major concern for future scientists?

Because the final consumers of water are. . .

Humans


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