Аннотация:How do permafrost affect the production of carbon dioxide and the
composition of soil organic matter in discontinuous
permafrost zone of Western Siberia? It’s the main question of our work.
The research area is located in the north of Western Siberia (Nadym, Yamalo-Nenets Autonomous District, Russia)within the northernboundary of north taiga.
Soils of forest are characterized by the highest biological activity, which related with favorable geocryological,hydrothermal conditions in comparison with other objects.
Research ecosystems are characterized with small variation of the total carbon content (37-53%) and high variation oflabile organic carbon (0,35-1,65% of C total) in organic profile of the soils. The maximum carbon content found inorganic profile of Podzols. Also research ecosystems are characterized with high variation of the microbial carbon
content (from 1,3 mg C/g soil in Histosols to 11 mg C/g soil in Podzols).