The “Regulator” Function of Viruses on Ecosystem Carbon Cycling in the Anthropocene

Abstract

Viruses act as “regulators” of the global carbon cycle because they impact the material cycles and energy flows of food webs and the microbial loop. The average contribution of viruses to the Earth ecosystem carbon cycle is 8.6‰, of which its contribution to marine ecosystems (1.4‰) is less than its contribution to terrestrial (6.7‰) and freshwater (17.8‰) ecosystems. Over the past 2,000 years, anthropogenic activities and climate change have gradually altered the regulatory role of viruses in ecosystem carbon cycling processes. This has been particularly conspicuous over the past 200 years due to rapid industrialization and attendant population growth. The progressive acceleration of the spread and reproduction of viruses may subsequently accelerate the global C cycle.

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This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) [http://creativecommons.org/licenses/by/4.0/]. The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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DOI

https://doi.org/10.3389/fpubh.2022.858615

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https://pure.sruc.ac.uk/en/publications/the-regulator-function-of-viruses-on-ecosystem-carbon-cycling-in-