Marine and freshwater

Gas in aquatic

oxygen

carbon dioxide

nitrogen and hydrogen

light

nutrient

redfield ratio (C,N,P)

recycle of nutrient

microorganism in glasier and permenantly frozen lakes

stream and river

lactic or lentic

biofilm

ability to proces organic matter limited

in lake

oligotrophic and eutrophic

littoral zone that low sunlight penetration

epilimnion, thermocline and hypolimnion

in water

in estuaries and salt marshes

winogradsky column

illustrate interaction and gradient in aquatic

microorganism in open ocean (pelagic)

cyanobacteria

oligotrophic

proteorhodopsin that give ATP to poor nutrient water

viruses

benthic