| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | microbial ecology | Russia | Research in microbial ecology often involves the study of microbial biodiversity and ecosystem dynamics in boreal forests and tundra regions. | 1 |
| 2 | microorganisms | Russia | Acknowledgment of the role of microorganisms in extreme environments and their impact on scientific research in these regions. | 1 |