1. By: Alicia Cisco and Luke Whitlow
Freshwater Ecosystem
By:
Alicia Cisco and Luke Whitlow

2. Ponds Lakes Wetlands Bogs Swamps Streams Inland Seas Rivers
Freshwater ecosystems are a subset of Earth’s aquatic ecosystems. Less than 0.5 parts per thousand of dissolved salts.
Examples:
Ponds
Lakes
Wetlands
Bogs
Swamps
Streams
Inland Seas
Rivers

3. Climate Factors Temperature Annual Rainfall
Summer: 4˚C at bottom and 22˚Cat top
Winter: 4˚C at bottom and 0˚C at top
Spring and Fall: 4˚C
Annual Rainfall
10-80 inches per year

4. Vegetation Mangroves Pickle Weed Water Lilies Algae Duckweed Cattails
Reeves
Mosses

5. Animals Fish Amphibians: frogs and newts
Reptiles: snakes and alligators
Birds: bald eagle, crane, great blue heron
Furbearers: bobcat, beaver, deer, raccoon,
Insects: dragon flies, Earth worm, mosquito, snails, spiders
Fish

6. Net primary production
For lakes and streams 250gC/m²/yr

7. Location
Anywhere at any latitude outside of the polar regions

8. Limiting Factors Light Oxygen Temperature Salinity Food Space pH
Nutrients
Nitrates

9. Human Impact
Dam's block fish migration routes and destroy plants and animals
Pollution from runoff of agriculture and urban areas
Global warming produces devastating floods and droughts
Invasion of exotic species harm native animals and plants

10. We aren’t doing anything to help!!!
Human Impact
Humans destroy habitat
40% of fish species live in fresh water
This has declined by 20% in the last 20 years
We aren’t doing
anything to
help!!!

11. Uses Drinking Energy and transportation Boating and fishing
Fishermen and researchers
Hydroelectric power

12. Culture
Farming
Fishing
House Boats
Boating

13. Works Cited Page
envscibiomes.wikispaces.com
content.time.com