Weevils Attracted to Thinned Lodgepole Pine Stands in Montana (Classic Reprint)


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Excerpt from Weevils Attracted to Thinned Lodgepole Pine Stands in Montana Since this discovery in 1965, I have observed several other instances of M. Gentilis damage to lodgepole pine regeneration on the Lewis 6 Clark National Forest. In all instances, weevils appeared in stands that had regenerated naturally following clearcutting and then had been precommercially thinned. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.













Distribution of Organic Matter Reserve in a Desert Shrub Community


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In a community of widely spaced perennials, mostly shrubs, in the cold desert of western Utah, total accumulated organic mass (excluding the small amount of humus) is about 1,770g./m.2. Of this total, 240 g. are above the ground and 1,530 g. below. Of the latter, 295 g. is underground litter. About half of the 1,235 g. of roots are in the surface 30 cm. of the soil, about 0.3 of them in the second 30 cm., 0.15 in the third, 0.03 in the fourth, and 0.01 of them occur below 120 cm. to about 135 cm. Coarce roots (> 2 mm. in diameter) are found only in the immediate vicinity of plants and are unimportant below the 15-cm. depth. Fine (







Bibliography of SEAM publications


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