First Lecture Flashcards
Approximately what percent of earth’s surface is covered in water? Of all of that water, how many percent is freshwater?
71%
3% freshwater
is the study of marine species that live in the ocean and other salt-water environments
Marine biology
the study of life and ecologic systems in bodies of freshwater
freshwater biology
the study of inland waters: physical and chemical processes and effects on organisms inhabiting them
Limnology
Flowing water is also called
Lotic: streams and rivers
Standing water is also called
Lentic: ponds and lakes
what is the rarest commodity?
Groundwater
What are the inland waters and freshwater systems?
Flowing water (lotic)
Standing water (lentic)
Estuaries
Wetlands
Groundwater
saltwater salinity
3.5% or 35 g of salt per liter of water
Freshwater salinity
0.1% or 1g of salt per liter of water
Ocean water contains about ____ of salt?
35 000 ppm of salt
is a land area that is saturated with water, either permanently or seasonally.
Wetland
Wetlands are made up primarily of _____________ which supports aquatic plants
hydric soil
The water in wetlands can be?
saltwater
freshwater
brackish
Four major kinds of wetlands
Swamps
marshes
bogs
fens