Intro and Origins Flashcards
What does Limnos mean
Greek for Lake, pool, swamp
Where is freshwater (%)
3% of water is fresh 50% glacier/ice 49% ground water .75% rivers/lakes .25% biosphere
Effects on Freshwater
Acidification
Land and water use
Overfishing
invasive
Land Use cause and effect
Deforestation, agriculture, coastal hardening
Leads to
siltation, nitrogen input, groundwater recharge, pollution
water use effects
Diversion- dams
extraction of water- ground and surface
Overfishing effects
can lead to trophic cascade
Exotics effects
Can be deliberate or by accident
Types of lakes
Tetitic
volcanic
glacier
human
Volcanic lakes
Made by volcanos
creator lakes
glacier lakes
moraine lakes, formed by scouring
finger
kettle lakes, formed by deposits of ice that get burried into the ground water
Solution (karsk lakes)
made by things dissolving the ground under the lake
Human activity
Make some damns
other lakes
Ox bow
Beavers