. Bulletin. Forests and forestry -- United States. WI>'D IN THE FOKEST. iO is a strong" reason why all wounds, sucli as those made in pruning", should be covered with some substance like paint or tar to exclude the air and the spores it carries. WIND IN THE 1-OREST. The effect of wind in tlie virgin forest is not wliolly injurious. Although in many regions it overthrows great numbers of old trees, their removal is usually fol-. FiG. 69.—A windfall in the Olympic Fig. 70.—lu the same windfall. Olympic Forest Reaerve, Washington. Forest Reserve, "SYashinirton. lowed by a vigoro
. Bulletin. Forests and forestry -- United States. WI>'D IN THE FOKEST. iO is a strong" reason why all wounds, sucli as those made in pruning", should be covered with some substance like paint or tar to exclude the air and the spores it carries. WIND IN THE 1-OREST. The effect of wind in tlie virgin forest is not wliolly injurious. Although in many regions it overthrows great numbers of old trees, their removal is usually fol-. FiG. 69.—A windfall in the Olympic Fig. 70.—lu the same windfall. Olympic Forest Reaerve, Washington. Forest Reserve, "SYashinirton. lowed by a vigorous young growth wliere the old trees stood. (See PI. XXXIX.) In this way the wind lielps to keep the forest full of young and healthy trees. But it also breaks and blows down great numbers of useful growing members of the forest. 3Iuch of this windfall occurs among shallow-rooted trees, or where the ground is soft because soaked with water, or where the trees have been weakened by unsoundness or fire. Some. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Division of Forestry. Washington : G. P. O.
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