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Did you wake up today thinking that ocean wasn’t a festering tub of death, disease and decay?

Welcome… to Germ Island!

When plants and animals near the surface of the ocean die, they decay and gradually fall to the seafloor. This dead matter can clump together with sand, soot, fecal matter and other material to form what is called “marine snow,” so named because it looks like tiny bits of white fluff. Marine snow continuously rains down on the deep ocean, feeding many of the creatures that dwell there.

A group of scientists studying marine snow found that these clumps, or aggregates, may act as island-like refuges for pathogens, the general term for disease-causing organisms or germs, such as bacteria and viruses. (The “island” term comes from the comparison of the existence of pathogens on marine snow with the way insects, amphibians and other creatures establish homes and persist on remote islands in the oceans.)

The scientists are evaluating the degree to which aggregates made up of this decaying organic matter provide a favorable microclimate for aquatic pathogens. These “refuges” seem to protect pathogens from stressors, such as sunlight and salinity (amount of salt in the water) changes, and from predators. They also might provide sources of nourishment for the pathogens.

Gross…

[Live Science]