The atmosphere plays the role of the Bank of genetic diversity of viruses.
Scientists believe that the viruses into the atmosphere, mixing with dust over land, and salt particles from the sea. The researchers found two collections for aerosols above the planetary boundary layer in the Spanish Sierra Nevada. It is known that in this region is the global dust belt.
It turned out that every day in the fall collection of millions of bacteria, and about a billion viruses. The rate of deposition of the latter in 9-441 times the deposition rate of microorganisms.
According to the researchers, the atmosphere plays the role of the Bank of genetic diversity of viruses. Getting into new ecosystems, infectious agents influence their ability to adapt quickly to changing environmental conditions.
Planetary boundary layer called the lower part of the atmosphere that interacts with the surface of land and sea. Its thickness is about 1-3 km, but this value is subject to daily variations. The layer is characterized by a predominance of turbulent flow over laminar.
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