+The **treeline** marks the environmental limit where trees can grow, typically defining the transition from [Forest](/wiki/forest) to treeless landscapes. It is dictated by factors like cold temperatures, short growing seasons, and harsh [Alpine Climate](/wiki/alpine_climate) at high altitudes, or extreme cold in [Polar Regions](/wiki/polar_regions).
+## See also
+- [Timberline](/wiki/timberline)
+- [Tundra](/wiki/tundra)
+- [Ecosystem](/wiki/ecosystem)
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