How to use Timber-line in a sentence
As a rule, the elevation of the timber line on the mountains increases as the latitude decreases.
Even the higher summits are worn to a rounded condition, and are therefore for the most part forest covered up to the timber line which, on Mount Marcy, is at an elevation of about 4900 ft.
The higher mountains are barren from the cold of altitude; the timber line in Colorado stands at 11,000 to 12,000 ft.
As one advances northward the timber grows smaller and includes fewer species of trees, and finally the timber line is reached, near Churchill on the west coast of Hudson Bay and somewhat farther south on the Labrador side.
The timber line is at about 7500 ft.Advertisement
The smallest of the birds, the ruby throat humming-bird, is found everywhere, even up to timber line in the mountains.
The timber-line on the mountains is at about io,000 ft., and the snow line at about 1r,000.
Rainfall varying with the altitude, the lower timber line below which precipitation is insufficient to sustain a growth of trees is about 7000 ft., and the upper timber line about I I,Soo ft.
In a very arid region the dry timber line may rise above the cold timber line, and in such a case the mountain will contain no forests.