Microorganisms in Marine and Freshwater Ecosystem

Gases in Aquatic Environment

Light is critical for primary production by autotrophs in marine and freshwater ecosystem

Nutrient cycling in marine and freshwater environment

Microorganisms in glaciers and permenantly frozen lakes

Microorganisms in streams and rivers

Microorganisms in Lakes

Microorganisms in estuaries and salt marshes

Marine environments represent the major portion of biosphere

Winogradsky columns can be used to model salt marshes and illustrate the interactions and gradient that occur in equatic environment

Microorganisms in open ocean

Aquatic viruses

Microorganisms in benthic marine environment