Distribution of Microorganisms in Ocean and Sea

Distribution of Microorganisms in Ocean and Sea

Distribution of Microorganisms in Ocean and Sea - Microorganisms have been found at all depths and at all latitudes within the ocean/sea. Their numbers vary from a few per litre to about 108 per ml. Bacteria are abundant in near shore regions, where organic pollution as well as microbial pollution from the surrounding environment occurs.

The topmost layer of marine environment has a very high bacterial content, about 10 to 05 bacteria per m] upto a depth of l000m. These regions usually contain aerobic photosynthetic bacteria and algae. With the increasing depth bacterial abundance tend to decrease, usually less than 104 per ml at depths exceeding l000m.

The decrease in bacterial numbers with increasing depth appears to be a function of hydrostatic pressure. The upper layers of sediments contain about 103 to 109 bacteria per gram.

Aquatic Environment Microbiology Part 1
Protozoa

Metabolic Diversity of Microorganisms
Estuary
Bacterial Production
Ocean and Sea
Distribution of Microorganisms in Ocean and Sea
Chemolithotrophic Bacteria in Marine Environment
Nitrite Oxidising Bacteria
Ammonia Oxidising Bacteria
Sulphur Bacteria
Methane Producing Bacteria in Marine Environment
Characterestics of Marine Microorganisms
Mixing of Waters in Sea/Ocean
Fertility of the Ocean

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