Microorganisms in Marine & Freshwater Ecosystem

1. microorganism in marine ecosystem

1.1. estuaries & salt marshes

1.2. winogradsky column

1.3. open ocean

1.3.1. cyanobactera

1.3.2. SAR 11

1.3.3. proteorhodopsin

1.4. aquatic viruses

1.4.1. virioplankton

1.5. benthic marine environment

1.5.1. benthos

1.5.2. piezophilic

2. microorganism in freshwater ecosystem

2.1. glaciers & permanent frozen lakes

2.1.1. Europa

2.1.2. chemosynthetic communities

2.2. streams and river

2.2.1. attach to surface

2.2.2. free running

2.2.3. free standing

2.2.4. support benthic communities

2.2.5. nutrient form either in AUTOCHTHONOUS & ALLOCHTHNOUS

2.3. lakes

2.3.1. vary in nutrient status

2.3.1.1. oligotrophic

2.3.1.2. eutrophic

2.3.2. littoral zone

2.3.3. thermally stratified

2.3.3.1. epilimnion

2.3.3.2. thermocline

2.3.3.3. hypolimnion

2.3.3.4. oligotrophic

3. water as microbial habitat

3.1. gases in aquatic environment

3.1.1. oxygen

3.1.2. co2

3.1.3. nitrogen

3.1.4. hydrogen

3.1.5. methane

3.2. light for primary production

3.2.1. photoic zone

3.2.2. thermocline

3.3. nutrient cycle

3.3.1. redfield ration

3.3.2. phytoplankton

3.3.2.1. picoplankton