article reached 300 reads; Biological filters are an important part of the biosphere;

From web to a Fulbright Awardee Dr Sergei Ostroumov:

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Congratulations!
Your article reached 300 reads;
Article: Biological filters are an important part of the biosphere; https://www.researchgate.net/publication/...


ACHIEVED ON FEB 24th, 2016

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The biosphere is the global sum of all ecosystems. It can also be termed as the zone of life on Earth, a closed system (apart from solar and cosmic radiator and heat from the interior of the Earth), and largely self-regulating.

Biosphere - Wikipedia, the free encyclopedia

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