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1. FRESHWATER ECOSYSDAISY LAXAMANA MAUN
MAED BIOLOGY

2. Flood Usually occur on
areas near riverbanks
Riverbanks, is an example
of fresh body of water

3. FRESHWATER
ECOSYSTEMS
KINDS
CHARACTERISTICS
THREATS

4. AQUATIC ECOSYSTEMS
• SALINITY = SALT CONTENT OF THE WATER
• MEASURED IN PARTS PER THOUSAND (PPT)
• 1 GM OF SALT IN 1000 GMS WATER = 1 PPT
• FRESH USUALLY < 0.5 PPT
• OCEANS AVERAGE 35 PPT
• 0.5 TO 17 PPT IS CALLED BRACKISH
Marine EcosystemFreshwater Ecosystem
Key description

8. 1
2

9. Fish
Turtle

13. SomeExamplesof

18. Sunlight

45. The End
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