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GLACIERS & FROZEN LAKES

EUROPA

GASES

OXYGEN CARBON DIOXIDE

FRESHWATER

N, H ,METHANE

WATER:MICROBIAL HABITAT LOTIC LENTIC

STREAMS &RIVERS

PHOTOTOIC ZONE THERMOCLINE

LIGHT

AUTOCHTHONOUS ALLOCHTHONOUS

MARINE N FRESHWATER ECOSYSTEM

OXIC

NUTRIENT CYCLING

LAKES

PHOTOPLANKTON RED-FIELD RATIO MICROBIAL LOOP

[no text]

ANOXIC

BENTHIC

MARINE

AQUATIC LINUS

ESTUARIES & SALT MARSHES

WINOGRADSKY COLUMNS

OPEN OCEAN (PELAGIC)

MARINE N FRESHWATER ECOSYSTEM  
MARINE N FRESHWATER ECOSYSTEM  
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