Boreal forests contribution to global seasonal dynamic of carbon dioxide in the atmosphere

Over the past few decades the global carbon cycle has become the topic of great interest and the role of CO2 in the future climate changes has been extensively and contradictorily discussed. The most important objective of biosphere investigations is to assess how the continuously increasing human-caused inflow of carbon dioxide to the atmosphere will influence the climate system and biospheric processes. Our aim is to answer the important question – what is the contribution of boreal forests in total carbon circulation. The proposed global biota climate dynamics model gives a possible answer to this question. Verification of this model was based on the measurement data on the global dynamics of atmospheric carbon dioxide obtained in the Mauna Loa Observatory and on global net primary production (NPP) values obtained by remote sensing (model MODIS-NPP).