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ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings, I.U.F.R.O. Beech Bark Disease Working Party Conference written by and published by . This book was released on 1983 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Celia A. Evans
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ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.:/5 (319 download)
Download or read book Beech Bark Disease written by Celia A. Evans and published by . This book was released on 2005 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings - Northeastern Forest Tree Improvement Conference written by and published by . This book was released on 1987 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alan A. Berryman
Publisher : Springer Science & Business Media
ISBN 13 : 1489907890
Total Pages : 608 pages
Book Rating : 4.4/5 (899 download)
Download or read book Dynamics of Forest Insect Populations written by Alan A. Berryman and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: Insects multiply. Destruction reigns. There is dismay, followed by outcry, and demands to Authority. Authority remembers its experts or appoints some: they ought to know. The experts advise a Cure. The Cure can be almost anything: holy water from Mecca, a Government Commis sion, a culture of bacteria, poison, prayers denunciatory or tactful, a new god, a trap, a Pied Piper. The Cures have only one thing in common: with a little patience they always work. They have never been known entirely to fail. Likewise they have never been known to prevent the next outbreak. For the cycle of abundance and scarcity has a rhythm of its own, and the Cures are applied just when the plague of insects is going to abate through its own loss of momentum. -Abridged, with insects in place of voles, from C. Elton, 1924, Voles, Mice and Lemmings, with permission of Oxford University Press This book is an enquiry into the "natural rhythms" of insect abundance in forested ecosystems and into the forces that give rise to these rhythms. Forests form unique environ ments for such studies because one can find them growing under relatively natural (pri meval) conditions as well as under the domination of human actions. Also, the slow growth and turnover rates of forested ecosystems enable us to investigate insect popula tion dynamics in a plant environment that remains relatively constant or changes only slowly, this in contrast to agricultural systems, where change is often drastic and frequent.
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ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (319 download)
Download or read book Proceedings of the Southern Appalachian Biological Control Initiative Workshop written by and published by . This book was released on 1999 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.3/5 (91 download)
Download or read book General Technical Report WO. written by and published by . This book was released on 1977 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. G. Van Driesche
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ISBN 13 :
Total Pages : 268 pages
Book Rating : 4.:/5 (319 download)
Download or read book Biological Control of Arthropod Pests of the Northeastern and North Central Forests in the United States written by R. G. Van Driesche and published by . This book was released on 1996 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Timothy D. Paine
Publisher : Springer Science & Business Media
ISBN 13 : 140205162X
Total Pages : 188 pages
Book Rating : 4.4/5 (2 download)
Download or read book Invasive Forest Insects, Introduced Forest Trees, and Altered Ecosystems written by Timothy D. Paine and published by Springer Science & Business Media. This book was released on 2007-05-24 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Demand for timber and fibre continues to grow and is being met by increased reliance on plantation forestry. Many of the plantations that are being grown around the globe are non-native species that have characteristics of rapid growth and good commercial qualities. In some cases, the high rates of production are a result of the absence of native herbivore and diseases. This limited pest status is threatened as pest species move around the globe. At the same time there is concern about threats of these non-native plantation species on native communities and the impact of changing climates on forest productivity. This volume explores many of these issues for the first time.
Author : Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.F/5 ( download)
Download or read book Publications of the Northeastern Forest Experiment Station written by Northeastern Forest Experiment Station (Radnor, Pa.) and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (319 download)
Download or read book Northeastern Area Forest Health Report written by and published by . This book was released on 1993 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Lonsdale
Publisher :
ISBN 13 : 9780117102071
Total Pages : 24 pages
Book Rating : 4.1/5 (2 download)
Download or read book Beech Bark Disease written by D. Lonsdale and published by . This book was released on 1987 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alan A. Berryman
Publisher : Springer Science & Business Media
ISBN 13 : 1468450808
Total Pages : 284 pages
Book Rating : 4.4/5 (684 download)
Download or read book Forest Insects written by Alan A. Berryman and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is intended as a general text for undergraduates studying the manage ment of forest insect pests. It is divided into four parts: insects, ecology, manage ment, and practice. Part I, Insects, contains two chapters. The first is intended to provide an overview of the general attributes of insects. Recognizing that it is impossible to adequately treat such a diverse and complex group of organisms in such a short space, I have attempted to highlight those insectan characteristics that make them difficult animals to combat. I have also tried to expose the insects' weak points, those attributes that make them vulnerable to manipulation by human actions. Even so, this first chapter will seem inadequate and sketchy to many of my colleagues. Ideally, this book should be used in conjunction with a laboratory manual covering insect anatomy, physiology, biology, behavior, and classifica tion in much greater depth-in fact, this is how I organize my forest entomology course. It is hoped that this first chapter will provide nonentomologists with a general feel for the insects and with a broad understanding of their strengths and weaknesses, while Chapter 2 will provide a brief overview of the diverse insect fauna that attacks the various parts of forest trees and their products.
Author : David R. Houston
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)
Download or read book Effect of Harvesting Regime on Beech Root Sprouts and Seedlings in a North-central Maine Forest Long Affected by Beech Bark Disease written by David R. Houston and published by . This book was released on 2001 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.3/5 (91 download)
Download or read book Research Paper NE written by and published by . This book was released on 1987 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David R. Houston
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.F/5 ( download)
Download or read book Reexamination of Effects of Paraformaldehyde on Tissues Around Tapholes in Sugar Maple Trees written by David R. Houston and published by . This book was released on 1997 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T.C. Hennessey
Publisher : Springer Science & Business Media
ISBN 13 : 9400944241
Total Pages : 241 pages
Book Rating : 4.4/5 (9 download)
Download or read book Stress physiology and forest productivity written by T.C. Hennessey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintaining or increasing stand productivity is the concern of forest land managers worldwide. Consequently, there is increasing interest in understanding the impact of environmental stress on productivity and the development of management strategies that ameliorate or reduce the deleterious effects. Invited scientists gathered in Fort Collins, Colorado on July 30, 1985, to present the current state of knowledge regarding the impact of environmental stress on forest stand productivity. Particular attention was given to elucidating the mode of action by which individual stress elements reduce productivity. Environmental factors and the levels that constitute stressed (suboptimal) conditions in forest stands were identified, and the effects of stress intensity and duration on key stand parameters, including photosynthesis, respiration, assimilate partitioning, senescence and mortality, were emphasized. The role of genetics and silvicultural treatments in lessening the stress impact on stand productivity was presented, particularly in regards to alternative methods for environmental stress management. Modeling of stand dynamics in response to environmental stress was explored as an effective research and management tool. VIII Improved forest management practices will develop as we improve our understanding of the nature of important environmental stresses and as we comprehend their impact on tree and stand performance, manifested through physiological processes and genetic potential. This book is dedicated to such an understanding and comprehension.
Author : William J. Mattson
Publisher : Springer Science & Business Media
ISBN 13 : 1461238285
Total Pages : 412 pages
Book Rating : 4.4/5 (612 download)
Download or read book Mechanisms of Woody Plant Defenses Against Insects written by William J. Mattson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
