-aquifers -springs -ponds -lakes -creeks/streams -rivers -wetlands makes up 3 % of water on earth
DESCRIPTION
o Dissolved Oxygen o Minerals and Nutrients o Species DiversityTRANSCRIPT
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AQUATIC ECOSYSTEMS
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Freshwater Ecosystems
-Aquifers -Springs -Ponds-Lakes -Creeks/Streams -Rivers-Wetlands
Makes up < 3 % of water on earth
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Essential for Freshwater Ecosystem
o Dissolved Oxygeno Minerals and Nutrientso Species Diversity
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Ponds and LakesZones:1. Littoral2. Photic 3. Benthic
Plankton:1.Zooplankton2.Phytoplankton
Decomposers
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EutrophicationAn increase in aquatic plants or alga due to an increase in nutrients.
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Large-Scale Eutrophication
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Streams, Creeks, and Rivers
Stream Order:
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Alabama’s Natural Setting• 1,438 miles of navigable channels• 77,000 miles of rivers and streams• 563,000 acres of lakes, ponds,
reservoirs• 33.5 trillion gallons of water flow
through river systems.• 16 major locks and dams on 6 river
systems
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Geographic regions of Alabama
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0 1 2 3 40.5Kilometers
0 1 20.5Miles
¶
#
Whi
tesi
des
Mill
Lake
High Rock Lake
Sweetwater Lake
ColemanLake
Pine Glen
Little Shoal Creek
Shoal Creek
Houch Creek
PendergrassCreek
1
2
3
4
5
6
7
89
10
1112
1314
1516
17
1819
20
21
22
What impact are these dams having on this creek system?
Shoal Creek
Accumulation of water and habitat division.
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Human InfluenceExtensive pollution:-Industrial -Agricultural -pesticides -animal waste-Household waste -septic tanks-Oil spills-Nuclear waste
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Why should aquatic ecosystems be a major concern for future
scientists?
Because the final consumers of water are. . .
Humans