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Author : Anonim
Publisher : Unknown
Page : 12 pages
File Size : 52,7 Mb
Release : 1996
Category : Bark beetles
ISBN : MINN:31951D02988583I
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 51,6 Mb
Release : 2024-05-19
Category : Electronic
ISBN : OCLC:62403452
Author : James F. Fowler
Publisher : Unknown
Page : 32 pages
File Size : 52,8 Mb
Release : 2004
Category : Douglas fir
ISBN : MINN:31951D03001269I
This review focused on the primary literature that described, modeled, or predicted the probability of postfire mortality in ponderosa pine (Pinus ponderosa) and Douglas-fir (Pseudotsuga menziesii). The methods and measurements that were used to predict postfire tree death tended to fall into two general categories: those focusing on measuring important aspects of fire behavior, the indirect but ultimate cause of mortality; and those focusing on tissue damage due to fire, the direct effect of fire on plant organs. Of the methods reviewed in this paper, crown scorch volume was the most effective, easiest to use, and most popular measurement in predicting postfire mortality in both conifer species. In addition to this direct measure of foliage damage, several studies showed the importance and utility of adding a measurement of stem (bole) damage. There is no clear method of choice for this, but direct assessment of cambium condition near the tree base is widely used in Douglas-fir. Only two ponderosa pine studies directly measured fine root biomass changes due to fire, but they did not use these measurements to predict postfire mortality. Indirect measures of fire behavior such as ground char classes may be the most practical choice for measuring root damage. This review did not find clear postfire survivability differences between the two species. The literature also does not show a consistent use of terminology; we propose a standard set of terms and their definitions.
Author : Anonim
Publisher : Unknown
Page : 64 pages
File Size : 52,6 Mb
Release : 1998
Category : Forests and forestry
ISBN : UOM:39015072685814
Author : Bruce Leigh Welch,David N. Cole,Dennis M. Cole,Douglas McEwen,Gary Ketcheson,Robert E. Keane
Publisher : Unknown
Page : 284 pages
File Size : 51,7 Mb
Release : 1966
Category : Boundary Waters Canoe Area (Minn.)
ISBN : OSU:32435058419029
Author : Bruce Leigh Welch
Publisher : Unknown
Page : 662 pages
File Size : 53,9 Mb
Release : 1994
Category : Sagebrush
ISBN : STANFORD:36105110631707
Author : Anonim
Publisher : Unknown
Page : 582 pages
File Size : 41,6 Mb
Release : 1995
Category : Forests and forestry
ISBN : UOM:39015049373718
Author : Anonim
Publisher : Unknown
Page : 332 pages
File Size : 42,5 Mb
Release : 2002
Category : Electronic
ISBN : NWU:35556033410549
Author : Anonim
Publisher : Unknown
Page : 224 pages
File Size : 44,7 Mb
Release : 2004
Category : Electronic
ISBN : NWU:35556034778852
Author : Anonim
Publisher : Unknown
Page : 688 pages
File Size : 43,6 Mb
Release : 2004
Category : Electronic
ISBN : NWU:35556034774836
Author : François Lieutier,Keith R. Day,Andrea Battisti,Jean-Claude Grégoire,Hugh F. Evans
Publisher : Springer Science & Business Media
Page : 569 pages
File Size : 41,7 Mb
Release : 2007-08-24
Category : Science
ISBN : 9781402022418
For the first time, a synthesis on the research work done in Europe on all Bark And Wood Boring Insects In Living Trees (BAWBILT) is presented. As final product of a four-year research project gathering together 100 scientists from 24 countries, the book is the fruit of a real collective synthesis in which all European specialists have participated. It reviews and comments on all the European literature, while considering the biological (trees, insects, associated organisms, and their relationships) and forest management aspects. However, although focused on the European forest, it also compares the available information and interpretations to those concerning similar species in other continents. It ends with propositions of research priorities for Europe. The book is directed to all scientists and students concerned with forest entomology and ecology, as well as to forest managers and all scientific public interested in forest biology.
Author : Anonim
Publisher : Unknown
Page : 42 pages
File Size : 40,6 Mb
Release : 2007
Category : Douglas fir
ISBN : MINN:31951D02960071P
Author : Anonim
Publisher : Unknown
Page : 200 pages
File Size : 51,8 Mb
Release : 1999
Category : Forests and forestry
ISBN : CORNELL:31924089489599
Author : Sharon M. Hood
Publisher : DIANE Publishing
Page : 80 pages
File Size : 55,6 Mb
Release : 2011
Category : Nature
ISBN : 9781437939033
This is a print on demand edition of a hard to find publication. This report synthesizes the literature and current state of knowledge pertaining to re-introducing fire in stands where it has been excluded for long periods and the impact of these introductory fires on overstory tree injury and mortality. Only forested ecosystems in the United States that are adapted to survive frequent fire are included. Treatment options that minimize large-diameter and old tree injury and mortality in areas with deep duff and methods to manage and reduce duff accumulations are discussed. Pertinent background information on tree physiology, properties of duff, and historical versus current disturbance regimes are also discussed. Charts and tables.
Author : Anonim
Publisher : Unknown
Page : 156 pages
File Size : 47,6 Mb
Release : 2009
Category : Bark beetles
ISBN : MINN:31951D02938259L
"The compilation of papers in this proceedings is based on a symposium sponsored by the Insect and Diseases Working Group (D5) at the 2007 Society of American Foresters (SAF) convention in Portland, Oregon. The selection of topics parallels the research priorities of the Western Bark Beetle Research Group (WBBRG) (USDA Forest Service, Research and Development), which had been recently formed at the time of the symposium. Reflecting a unique partnership within the Forest Service, each paper was jointly prepared by a research scientist with the WBBRG and one or more entomologists with Forest Health Protection (USDA Forest Service, State and Private Forestry). Among these papers is a description of the currently elevated impacts of bark beetles in the Western United States; descriptions of the current state of knowledge of bark beetle response to vegetation management and also to climate change; discussions of the complex interactions of bark beetles and fire and of the complex ecological and socioeconomic impacts of infestations; an overview of the use of semiochemical (behavioral chemicals)-based technology for conifer protection; and a case study exemplifying efforts to assess risks posed by nonnative invasive bark beetles." --