Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Settlements and Landscapes (hierarchy name)
5. landscapes (environments)
6. natural landscapes
7. vegetation
8. plant communities (natural)
9. forests (plant communities)
10. [forests by biome]

Anotations

Scope note:

Forests of cold-tolerant evergreen conifers with needle-like leaves, such as pine, fir, and spruce, located between 50 and 60 degrees north latitudes in the broad belt of Eurasia and North America, including Siberia, Scandinavia, Alaska, and Canada. They are characterized by seasons divided into short, moist, and moderately warm summers and long, cold, and dry winters. The length of the growing season in boreal forests is 130 days.