Direct costs of silvicultural treatments on national forests, 1975-78

Direct costs of silvicultural treatments on national forests, 1975-78 by Thomas J. Mills Download PDF EPUB FB2

Additional Physical Format: Online version: Mills, Thomas J. (Thomas John), Direct costs of silvicultural treatments on national forests, Direct costs of silvicultural treatments on national forests, / Thomas J. Mills, Patricia B. Shinkle, Gregory L. Cox. By Thomas J.

(Thomas John) Mills AbstractAuthor: Thomas J. (Thomas John) Mills. An illustration of an open book. Books. An illustration of two cells of a film strip. Direct cost of silvicultural treatments on national forests, favorite 0 comment 0.

Includes references Topic: afforestation, contractors, costs and returns, national forests, site preparation. MORE RESULTS Fetching more results. DESCRIPTION. Biodiversity maintenance is a key management objective and a requisite for sustainable forestry. Research efforts on the effects of forest management on biological diversity are therefore increasingly needed, particularly in regions such as the Mediterranean that have been comparatively less studied in Cited by: Silviculture is applied forest ecology: selection and implementation of treatments are CWE_ch02_indd 7 7/13/12 AM 8 USDA F orest Service GTR-SRS Using herbicides for forest vegetation management is an important tool on private, working forests.

Various other silvicultural chemicals (insecticides, fertilizers) are also important management tools. However, timber managers who wish to include silvicultural chemical use as a component of their management plans are increasingly faced with. A silvicultural system is a series of treatments applied to a forest stand to create target conditions.

A given stand can be directed on many pathways, depending on management objectives. This is accomplished by altering the timing and intensity of silvicultural treatments to control light conditions and species composition.

National Silviculture Workshop. The National Silviculture Workshop (NSW) is a biannual meeting begun in as a forum for sharing silvicultural advances among field foresters in the National Forest System, research scientists in Research and Development, and in recent years, research scientists from universities, as well other federal and state agencies.

the maintenance and integrity of the forest ecosys- tem. While forest health is a broad area that encom- passes many ecosystem components, I will focus only on the insect and disease-related components of northeastern conifer and eastern hardwood forests, and the use of silvicultural treatments to improve forest.

Development stages and silvicultural operations in even-aged forest The Forestry Department’s five-year national reforestation plan states that the 5-year target for The direct benefits of forest plantations on the value of the land are forest products such as sawtimber, fuelwood, charcoal, poles, food products, fodder for livestock.

Three silvicultural treatments were applied: thinning, thinning combined with pruning, and a control. At the time of installation, stand ages ranged from 26 to 37 years. Small differences were found among treatments in regard to the wood density attributes, with no significant effects of thinning and pruning on the studied wood traits in either.

Get this from a library. Silvicultural systems for the major forest types of the United States. [Russell M Burns; United States. Forest Service.;] -- "The current trend toward the establishment and care of forests for a wide combination of uses requires flexibility in forest culture and a knowledge of the silvicultural choices available to the.

Clearcutting in the National Forests: Background and Overview Clearcutting is a method of harvesting and regenerating timber in which all trees are cleared from a site and a new “even-aged” stand of trees (where the trees are nearly all the same age) is grown.

Clearcutting, the primary method of cutting and growing trees in the national forests, has been controversial since at least the s.

silvicultural treatments. Some forests are clearly owned by a single person, company, community, reduces the costs of transporting logs from the forest to the log pond, mill, or port (see for example, HendrisonJonkers and Mattsson- chainsaw operators direct the fall of the trees so.

A few months after the silvicultural treatment (poisoning of secondary species or logging of principal species) the appearance of the stands was striking, because of windfallen wood, dead or broken trees and the gaps created either by extracting 50 m³/ha of merchantable timber, or by the elimination of 30 to 40 percent of the basal area.

In addition, the Whiskey 40 Study was revisited in and the Holter Ridge Study was revisited in to aid managers in prescribing future silvicultural practices for restoring forests.

Decisions on silviculture in natural forests can occur at three levels: silvicultural systems; silvicultural treatment regimes; and silvicultural operations. A silvicultural system is “the process by which the crops constituting a forest are tended, removed and replaced by new crops, resulting in the production of stands of distinctive form.

This book forms volume 2 of a three-part manual on forestry and silviculture, and describes in detail silvicultural practices, with particular reference to broadleaved forests in Belgium.

Following an introductory section with chapters on stand structure, development, and regeneration, a second section describes silvicultural treatments (pruning, cleaning, thinning) and their uses.

Silvicultural systems. The origin of forestry in German-speaking Europe has defined silvicultural systems broadly as high forest (Hochwald), coppice with standards (Mittelwald) and compound coppice, short rotation coppice, and coppice (Niederwald).There are other systems as well.

These varied silvicultural systems include several harvesting methods, which are often wrongly said to be a. Authors: Guldin, James M. Publication Year: Publication Series: Scientific Journal (JRNL) Source: New Forests DOI: /s Abstract.

Changing climatic conditions add a measure of uncertainty to sustainable forest management in forest ecosystems of. Other NRS scientists are examining the effects of various silvicultural treatments on wildlife and forest diversity, forest dynamics, nutrient cycling, and disturbance processes, particularly those from destructive invasive insect and plant species.

Inthe Chequamegon-Nicolet National Forest (CNNF) began a landscape-scale effort to. Silvicultural treatments are applied to change, accelerate change, or maintain the condition of trees and stands. For example, by applying selective herbicides after planting, a desired tree species can be given a head start in growth that allows it to out compete other vegetation.Collaboration.

The work is endorsed by the White Oak Initiative and completed in partnership with the USDA Forest Service Southern Research Station, USDA Forest Service Northern Research Station, USDA Forest Service Daniel Boone National Forest, Forest Health Research and Education Center, Berea College, and the University of Vermont.