By: Alicia Cisco and Luke Whitlow

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Presentation transcript:

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

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

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

Vegetation Mangroves Pickle Weed Water Lilies Algae Duckweed Cattails Reeves Mosses

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

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

Location Anywhere at any latitude outside of the polar regions

Limiting Factors Light Oxygen Temperature Salinity Food Space pH Nutrients Nitrates

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

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!!!

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

Culture Farming Fishing House Boats Boating

Works Cited Page http://www.ucmp.berkeley.edu/exhibits/biomes/freshwater.php www.globalchange.umich.edu envscibiomes.wikispaces.com www.epa.gov content.time.com www.bubblews.com www.kompulsa.com www.omoegua.com www.globalcitizencorps.org www.jackspets.com

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