Category
page 1Climate zones

subtropics
thumb|upright=1.3|Areas of the world with subtropical climates
snow line
point above which snow and ice cover the ground throughout the year
tree line
edge of the habitat at which trees are capable of growing
horse latitudes
A latitude of 25 deg to 35 degree of both hemispheres is called horse latitude.
hardiness zone
geographic climate area relevant to plant growth and survival
climate classification
way of classifying the world's climates
hardiness
ability of plants to survive adverse growing conditions
thermal equator
climate zone of highest average temperatures

Hemiboreal
thumb|Hemiboreal deciduous forest in Latvia. Latvia, like other hemiboreal areas, also has extensive lush coniferous forests.
Hemiboreal means halfway between the temperate and subarctic (or boreal) zones. The term is most frequently used in the context of climates and ecosystems.