Download or read book The Hemlock Sawfly in Southeast Alaska Classic Reprint written by John S. Hard and published by Forgotten Books. This book was released on 2018-09-08 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Hemlock Sawfly in Southeast Alaska Although young. Larvae are normally gregarious, some are soli tary, and laboratory studies showed that single larvae survived as well as those rear-ed in colonies.tree crown samples as on lower crown samples at moderate to high egg population levels. 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.
Download or read book Sequential Sampling of Hemlock Sawfly Eggs in Southeast Alaska Classic Reprint written by John S. Hard and published by Forgotten Books. This book was released on 2018-04-29 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Sequential Sampling of Hemlock Sawfly Eggs in Southeast Alaska Choice of a decision line probability level is made before sampling is begun. The inner decision lines?/ in figure 3 are the least precise since they can be expected to give an incorrect decision one out of five times, but the number of sample trees required is minimal. The outer decision lines are the most precise since they can be expected to give an incorrect decision only one out of 20 times, but the number of sample trees required is greatly increased. The intermediate decision which can be expected to give an incorrect decision one out of 10 times, are adequate for most sampling. 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.
Download or read book The Hemlock Sawfly in Southeast Alaska written by John S. Hard and published by . This book was released on 1968 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hemlock sawfly in Southeast Alaska written by and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sequential Sampling of Hemlock Sawfly Eggs in Southeast Alaska written by John S. Hard and published by . This book was released on 1971 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hemlock Sawfly written by John S. Hard and published by . This book was released on 1976 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sequential Sampling of Hemlock Sawfly Eggs in Southeast Alaska written by John S. Hard and published by . This book was released on 1971 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hemlock Sawfly written by Donald C. Schmiege and published by . This book was released on 1970 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book VOLUME TABLES AND EQUATIONS FOR OLD GROWTH WESTERN HEMLOCK AND SITKA SPRUCE IN SOUTHEAST ALASKA CLASSIC REPRINT written by JAMES T. BONES and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biological Evaluation of Hemlock Sawfly and Western Black headed Budworm in Southeast Alaska During 1973 written by Bruce H. Baker and published by . This book was released on 1973 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations Classic Reprint written by John S. Hard and published by Forgotten Books. This book was released on 2017-11-19 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations Figure 2.-feeding colony of early instar hemlock sawfly larvae. Note-character of needles which have been fed upon. Figure 3. - hemlock sawfly cocoon showing the evenly cut margin of cap resulting from normal sawfly emergence. Figure 4.-severe defoliation of mature western hemlock caused by hemlock sawfly. 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.
Download or read book Ripening and Dispersal of a Bumper Western Hemlock Sitka Spruce Seed Crop in Southeast Alaska Classic Reprint written by A. S. Harris and published by Forgotten Books. This book was released on 2018-05-03 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Ripening and Dispersal of a Bumper Western Hemlock-Sitka Spruce Seed Crop in Southeast Alaska Western hemlock (tsuga heterophylla (raf.) Sarg.) and Sitka spruce (picea sitchensis (bong.) Carr.) together comprise about 92 percent of the commercial timber volume in southeast Alaska. Both Species are prolific seed producers, with at least some seed produced almost every year and a heavy crop every 5 to 8 years. Seed dispersal from the heavy cone crops of 1951 and 1959 and from the medium cone crop of 1956 has been reported (godman 1953; Harris 1967; James In 1966, a bumper cone crop occurred, offering an opportunity to obtain more detailed information about seed maturation and its dispersal. 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.
Download or read book Stem Fluting of Western Hemlock in Southeast Alaska written by Kent R. Julin and published by . This book was released on 1989 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations written by John S. Hard and published by . This book was released on 1975 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sirococcus Shoot Blight Damage to Western Hemlock Regeneration at Thomas Bay Alaska Classic Reprint written by Ed F. Wicker and published by Forgotten Books. This book was released on 2017-11-11 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Sirococcus Shoot Blight Damage to Western Hemlock Regeneration at Thomas Bay, Alaska The three unthinned areas had been clearcut in 1959-1962, so the oldest regenera tion was 16 years. One of these areas had received 464 kg Agricultural Grade urea/ hectare in May 1969; the two remaining areas were untreated. A line of 4 plots, 100 m apart and 4 m2 area, was established in each of the three areas. Total number of (1) trees, (2) infected trees, (3) dead trees, and (4) potential crop trees (dominants or codominants) were recorded for each plot. 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.
Download or read book Hemlock Sawfly Evaluation Jamestown Bay Sitka Alaska written by United States. Forest Service. Division of Timber Management and published by . This book was released on 1968 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Uncovering the Cause of Fluting in Western Hemlock in Southeast Alaska written by Kent Reinhold Julin and published by . This book was released on 1986 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
