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Author : Anonim
Publisher : Unknown
Page : 16 pages
File Size : 44,8 Mb
Release : 1994
Category : Wood waste
ISBN : MINN:31951D02988547M
Author : Russell T. Graham
Publisher : Forgotten Books
Page : 24 pages
File Size : 43,6 Mb
Release : 2018-01-08
Category : Business & Economics
ISBN : 0428102824
Excerpt from Managing Coarse Woody Debris in Forests of the Rocky Mountains Coarse woody debris can be incorporated into the surface soil horizon as freezing and thawing cycles move owd into the soil. Additionally, owd can be covered as soil moves downhill. Depending on the forest type, large amounts of owd can be left in the form of decaying tree roots. All of these materials, in the advanced stages of decay, can be active parts of the soil system as soil wood. 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.
Author : James Kerr Brown
Publisher : Unknown
Page : 20 pages
File Size : 44,5 Mb
Release : 2003
Category : Coarse woody debris
ISBN : UVA:X004736515
Author : Caroline Louella Caza,British Columbia. Old-Growth Strategy Working Group
Publisher : BC, Ministry of Forests, Research Branch
Page : 116 pages
File Size : 55,5 Mb
Release : 1993
Category : Coarse woody debris
ISBN : MINN:31951P00114122W
This project was undertaken to review the ecological role of woody debris in temperate forest eco-systems, with particular emphasis on methods of estimating amounts and turnover rates, and the effects of logging and silvicultural activities on the amounts and behaviour of woody debris; to identify proposed or ongoing research with the Ministry of Forests related to the role of woody debris in the forest of British Columbia; to determine what information is available for the forest types of B.C.; and to identify forest types for which information on quantities or functions of woody debris is lacking and to discuss the research required to fill these gaps.
Author : James Kerr Brown
Publisher : Unknown
Page : 20 pages
File Size : 49,8 Mb
Release : 2003
Category : Coarse woody debris
ISBN : MINN:31951D030014050
Author : Anonim
Publisher : Unknown
Page : 634 pages
File Size : 44,6 Mb
Release : 1997
Category : Electronic
ISBN : NWU:35556030609002
Author : David Brewer
Publisher : Unknown
Page : 12 pages
File Size : 47,9 Mb
Release : 2008
Category : Coarse woody debris
ISBN : MINN:31951D028375147
Fire-adapted forested ecosystems in the Southwest evolved with a continual flux of downed woody materiala structural component that is considered essential to a properly functioning forest ecosystem. The creation and accumulation of downed woody material depends on forest type, tree species, stage of succession/decay, the amount of insect and disease activity, climate, fire return intervals, windthrow, and management activities. In general, more downed woody material accumulates in forests with long fire return intervals (subalpine, mixed conifer, pinyon-juniper woodlands) than in forests with short fire return intervals, such as ponderosa pine. While early foresters saw downed woody material as waste, a potential source of insect and disease problems or a wildfire hazard, todays foresters and researchers have identified the large-size component of downed woody material.
Author : Carolyn B. Meyer,Dennis H. Knight,Gregory K. Dillon
Publisher : Unknown
Page : 108 pages
File Size : 52,7 Mb
Release : 2005
Category : Forest management
ISBN : MINN:31951D030012171
An approach for synthesizing the results of ecological research pertinent to land management is the analysis of the historic range of variability (HRV) for key ecosystem variables that are affected by management activities. This report provides an HRV analysis for the upland vegetation of the Bighorn National Forest in northcentral Wyoming. The variables include live tree density, dead tree (snag) density, canopy cover, abundance of coarse woody debris, species diversity, fire return intervals, the abundance of various diseases, the proportion of the landscape in different land cover types, and the degree of patchiness in the landscape. The variables were examined at the stand and landscape scales, using information available in the literature and USFS databases. High-elevation landscapes were considered separately from low-elevation landscapes. Much of the report pertains to forests dominated by lodge-pole pine, subalpine fir, and Engelmann spruce at high elevations, and by ponderosa pine, aspen, and Douglas-fir at lower elevations. We defined the HRV reference period for the BNF as approximately 1600 to 1890.
Author : Anonim
Publisher : Unknown
Page : 966 pages
File Size : 52,8 Mb
Release : 2002
Category : Coarse woody debris
ISBN : MINN:31951D02974717D
Author : Bruce Leigh Welch
Publisher : Unknown
Page : 658 pages
File Size : 51,6 Mb
Release : 1994
Category : Sagebrush
ISBN : STANFORD:36105110631707
Author : Anonim
Publisher : Unknown
Page : 242 pages
File Size : 44,9 Mb
Release : 1993
Category : Forests and forestry
ISBN : UOM:39015036974114
Author : Anonim
Publisher : Unknown
Page : 260 pages
File Size : 41,7 Mb
Release : 1993
Category : Forests and forestry
ISBN : UCBK:C069173860
Author : Anonim
Publisher : Unknown
Page : 760 pages
File Size : 52,7 Mb
Release : 1998
Category : Forests and forestry
ISBN : PURD:32754070574300
Author : Julio J. Diez,Beatriz Martín-García
Publisher : BoD – Books on Demand
Page : 274 pages
File Size : 52,9 Mb
Release : 2012-04-11
Category : Technology & Engineering
ISBN : 9789535105114
The concept of forest sustainability dates from centuries ago, although the understanding of sustainable forest management (SFM) as an instrument that harmonizes ecological and socio-economic concerns is relatively new. The change in perspective occurred at the beginning of the 1990s in response to an increased awareness of the deterioration of the environment, in particular of the alarming loss of forest resources. The book collects original case studies from 12 different countries in four continents (Africa, America, Asia and Europe). These studies represent a wide variation of experiences from developing and developed countries, and should clarify the current status of SFM worldwide and the problems associated with its implementation.
Author : Anonim
Publisher : Unknown
Page : 248 pages
File Size : 52,7 Mb
Release : 2009
Category : Electronic
ISBN : NWU:35556038307906
