The California Spotted Owl
Author : Jared Verner
Publisher :
Page : 300 pages
File Size : 33,83 MB
Release : 1992
Category : Birds
ISBN :
Author : Jared Verner
Publisher :
Page : 300 pages
File Size : 33,83 MB
Release : 1992
Category : Birds
ISBN :
Author : E. Gregory McPherson
Publisher :
Page : 252 pages
File Size : 15,25 MB
Release : 1999
Category : Carbon dioxide mitigation
ISBN :
Author : Leonard F. DeBano
Publisher :
Page : 26 pages
File Size : 10,77 MB
Release : 1981
Category : Soil absorption and adsorption
ISBN :
Author :
Publisher :
Page : 52 pages
File Size : 23,4 MB
Release : 1993
Category : Bird populations
ISBN :
Author : John T. Kliejunas
Publisher :
Page : 70 pages
File Size : 36,21 MB
Release : 2011
Category : Climatic changes
ISBN :
Author : Paula J. Peper
Publisher : Createspace Independent Pub
Page : 126 pages
File Size : 40,90 MB
Release : 2012-10-22
Category : Nature
ISBN : 9781480164918
Even as they increase the beauty of our surroundings, trees provide us with a great many ecosystem services, including air quality improvement, energy conservation, stormwater interception, and atmospheric carbon dioxide reduction. These benefits must be weighed against the costs of maintaining trees, including planting, pruning, irrigation, administration, pest control, liability, cleanup, and removal. We present benefits and costs for representative small, medium, and large deciduous trees in the Lower Midwest region derived from models based on in-depth research carried out in Indianapolis, Indiana. Average annual net benefits increase with tree size and differ based on location. Two hypothetical examples of planting projects are described to illustrate how the data in this guide can be adapted to local uses, and guidelines for maximizing benefits and reducing costs are given.
Author : Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)
Publisher :
Page : 266 pages
File Size : 15,3 MB
Release : 1972
Category : Forests and forestry
ISBN :
Author : Eric Knapp
Publisher : DIANE Publishing
Page : 85 pages
File Size : 35,21 MB
Release : 2010-10
Category : Nature
ISBN : 1437926150
Historical and prescribed fire regimes for different regions in the continental U.S. were compared and literature on season of prescribed burning synthesized. In regions and vegetation types where considerable differences in fuel consumption exist among burning seasons, the effects of prescribed fire season appears to be driven more by fire-intensity differences among seasons than by phenology or growth stage of organisms at the time of fire. Where fuel consumption differs little among burning seasons, the effect of phenology or growth stage of organisms is often more apparent, because it is not overwhelmed by fire-intensity differences. Species in ecosystems that evolved with fire appear to be resilient to one or few out-of-season prescribed burns. Illus.
Author : Malcolm North
Publisher : Createspace Independent Publishing Platform
Page : 196 pages
File Size : 41,37 MB
Release : 2013-01-20
Category : Nature
ISBN : 9781482034882
There has been widespread interest in applying new forest practices based on concepts presented in U.S. Forest Service General Technical Report PSW-GTR-220, "An Ecosystem Management Strategy for Sierran Mixed-Conifer Forests." This collection of papers (PSW-GTR-237) summarizes the state of the science in some topics relevant to this forest management approach, presents case studies of collaborative planning efforts and field implementation of these new practices, and clarifies some of the concepts presented in GTR 220. It also describes a method for assessing forest heterogeneity at the stand level using the Forest Vegetation Simulator and a new geographic information system tool for project-level planning that classifies a landscape into different topographic categories. While this collection of papers presents information and applications relevant to implementation, it does not offer standards and prescriptions. Forest management should be flexible to adapt to local forest conditions and stakeholder interests. This report does, however, strive to clarify concepts and present examples that may improve communication with stakeholders and help build common ground for collaborative forest management.
Author : Kenneth S. Blonski
Publisher :
Page : 150 pages
File Size : 50,67 MB
Release : 1981
Category : Forest litter
ISBN :