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Articles 3961 - 3990 of 4004

Full-Text Articles in Forest Management

Forestry Bulletin No. 10: Texas Pulpwood Production, Nelson T. Samson Jun 1966

Forestry Bulletin No. 10: Texas Pulpwood Production, Nelson T. Samson

Forestry Bulletins No. 1-25, 1957-1972

An analysis by the forestry economist Nelson T. Samson of pulpwood production in Texas, including make-up, output and trends.


Forestry Bulletin No. 8: Soil Moisture And Soil Temperature Under A Post Oak-Shortleaf Pine Stand, G. Schneider, J. J. Stransky Apr 1966

Forestry Bulletin No. 8: Soil Moisture And Soil Temperature Under A Post Oak-Shortleaf Pine Stand, G. Schneider, J. J. Stransky

Forestry Bulletins No. 1-25, 1957-1972

"This paper reports moisture and temperature observations in the surface 18 inches of soil under an east Texas post oak (Quercus stellata Wangenh.) - shortleaf pine (Pinus echinata Mill.) stand throughout a 4 year period."


Forestry Bulletin No. 9: Silviculture Of Shortleaf Pine, Laurence C. Walker, Harry V. Wiant Jr Apr 1966

Forestry Bulletin No. 9: Silviculture Of Shortleaf Pine, Laurence C. Walker, Harry V. Wiant Jr

Forestry Bulletins No. 1-25, 1957-1972

"Nowhere is silviculture more intensively practiced than in the southern United States exempt, perhaps, in certain European nations. This is because of the tremendous demands upon the forests for fiber in a region of optimum climatic characteristics for rapid growth of valuable species. In meeting these demands, management instructs its foresters to shift their efforts into high gear."


Ammonium Nitrate Blasting Agent (Anfo) For Land Clearing, G A. Greaves Jan 1966

Ammonium Nitrate Blasting Agent (Anfo) For Land Clearing, G A. Greaves

Journal of the Department of Agriculture, Western Australia, Series 4

The introduction of "prilled" AN has revolutionised explosives practice and made possible safer and cheaper methods of blasting.

This article outlines the methods of handling and using ANFO blasting agent for land clearing.


A History Of Timber Resource Use In The Development Of Cache Valley, Utah, Douglas M. Bird May 1964

A History Of Timber Resource Use In The Development Of Cache Valley, Utah, Douglas M. Bird

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

It has long been realized that the forests and forest products contributed very significantly toward the economic development of the Western United States. However, the extent of this contribution over a relatively small area has never been fully analyzed. Therein lies the primary justification for this paper. The author hopes that the readers of this paper will, through their reading, gain some appreciation of the major role the forest and its products played in the development of the western community.

Because of some important social differences between the area described in this paper and other western communities, the history herein …


The Potential Of A Pulp And Paper Industry In The State Of West Virginia, James W. Clay Jan 1963

The Potential Of A Pulp And Paper Industry In The State Of West Virginia, James W. Clay

Theses, Dissertations and Capstones

West Virginia is traditionally a wood-producing state. Approximately 64 per cent of its land area is classified as commercial forest, and it has ranked as one of the nation’s top four producers of hardwood lumber for the past century.

A long-term failure of the state has been its inability to attract secondary wood industries into the area. The major portion of lumber produced in the state has been sent to outside concerns for further manufacturing and processing. In the past decade only about 18 per cent of the lumber produced in West Virginia was used for manufacture within the state. …


Fodder Shrubs In The Murchison, D G. Wilcox Jan 1962

Fodder Shrubs In The Murchison, D G. Wilcox

Journal of the Department of Agriculture, Western Australia, Series 4

THE Murchison pastoral country is usually thought of as either having a perennial grass cover, as in the Wandarrie, or as Mulga country with trees and short grass.

It is easy to overlook the small shrubs which occur all over the Murchison in every type of situation, and can provide high quality feed for sheep.


Insect Pest Of Forests. 1. Wood Boring Beetles, Clee Francis Howard Jenkins Jan 1962

Insect Pest Of Forests. 1. Wood Boring Beetles, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

MANY different types of wood boring beetles are associated with timber and forest trees.

Some attack only dry seasoned wood, others prefer freshly felled logs, and others again choose the standing trees.


Influence Of Logging On Douglas Fir Beetle Populations, R R. Lejeune, L H. Mcmullen, M D. Atkins Jan 1961

Influence Of Logging On Douglas Fir Beetle Populations, R R. Lejeune, L H. Mcmullen, M D. Atkins

The Bark Beetles, Fuels, and Fire Bibliography

All species of bark beetles of economic importance prefer to attack freshly-killed host material. Logging slash, wind-throw, and fire-killed timber provide ideal breeding grounds for bark beetles. A few species, mostly in the Dendroctonus group, are able to kill living trees. When beetles in the group, raised in preferred host material, cannot find any or enough freshly-killed trees, logs, or slash to enter, they may attack living trees. In the interior of British Columbia, infestations of the Douglas fir beetle can often be traced to logging disturbance.


National Parks Of Western Australia, Clee Francis Howard Jenkins Jan 1961

National Parks Of Western Australia, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

NATIONAL PARKS," says the Encyclopaedia Britannica, "are spacious land areas, essentially of primitive or wilderness character, that contain scenery and natural wonder so outstanding in quality that their preservation intact for the benefit, enjoyment and inspiration of the people, is a national concern."


Forestry Bulletin No. 5: Continuous Forest Inventory With Punch Card Machines For A Small Property, Robert D. Baker, Ellis V. Hunt Jr. Oct 1960

Forestry Bulletin No. 5: Continuous Forest Inventory With Punch Card Machines For A Small Property, Robert D. Baker, Ellis V. Hunt Jr.

Forestry Bulletins No. 1-25, 1957-1972

A study on forestry inventory with punched card machines for a small property.


The Effects Of Woodpeckers On Populations Of The Engelmann Spruce Beetle, F B. Knight Jan 1958

The Effects Of Woodpeckers On Populations Of The Engelmann Spruce Beetle, F B. Knight

The Bark Beetles, Fuels, and Fire Bibliography

Woodpeckers have been recognized for many years as a major factor in the natural reduction of Engelmann spruce beetle populations. A means of assessing their value has been developed. Five classifications of woodpecker feeding based on woodpecker work on 225 trees were studies. An analysis of populations measurements showed a correlation between beetle survival and the woodpecker classification and the intensity of infestation in each tree. A heavy woodpecker classification resulted n very little survival at all intensities of infestation. Survival increased both with an increase in intensity of infestation and a lower woodpecker classification. The average reduction in populations …


The Sfa Economist Vol. 2 No. 1, Nelson T. Samson, L. W. Ellerbrook Oct 1957

The Sfa Economist Vol. 2 No. 1, Nelson T. Samson, L. W. Ellerbrook

SFA Economist, 1956-1960

No abstract provided.


Some Observations On Mismanagement Of Grasslands And Woodlands, Orrin J. Henbest Jan 1951

Some Observations On Mismanagement Of Grasslands And Woodlands, Orrin J. Henbest

Journal of the Arkansas Academy of Science

No abstract provided.


Forest Fires In The Northern Rocky Mountains, J S. Barrows Jan 1951

Forest Fires In The Northern Rocky Mountains, J S. Barrows

The Bark Beetles, Fuels, and Fire Bibliography

This is a report on an analysis of 36,000 forest fires in the northern Rocky Mountains. The analysis was made to gain a better understanding of the occurrence, behavior, control, and effects of fires, and in turn to obtain essential information required for improved planning and management of fire protection systems. The results present answers to these questions: 1) What is the magnitude of the regional fire problem? 2) What are the basic features of fire behavior under various topographic, fuel, and weather conditions? 3) What have been the results of organized fire control programs including fire prevention, detection, communication, …


Rate Of Deterioration Of Beetle-Killed Engelmann Spruce, James L. Mielke Jan 1950

Rate Of Deterioration Of Beetle-Killed Engelmann Spruce, James L. Mielke

The Bark Beetles, Fuels, and Fire Bibliography

Examination of beetle-killed stands in Utah and Colorado indicate that dead Engelmann Spruce will remain standing and sound for at least 20 years.


The Role Of Forest Fires In The Reproduction Of Black Spruce, R. K. Lebarron Apr 1939

The Role Of Forest Fires In The Reproduction Of Black Spruce, R. K. Lebarron

Journal of the Minnesota Academy of Science

No abstract provided.


Observations On Thinning And Management Of Eastern White Pine (Pinus Strobus Linnaeus) In Southern New Hampshire, Ralph C. Hawley Jan 1936

Observations On Thinning And Management Of Eastern White Pine (Pinus Strobus Linnaeus) In Southern New Hampshire, Ralph C. Hawley

Yale School of the Environment Bulletin Series

In October, 1905, several permanent sample plots were in the white pine type near Keene, New Hampshire, by the United States Forest Service in cooperation with the Faulkner and Colony Manufacturing Company on lands owned by the latter. The purpose of the investigation was to study some effects of thinnings and of partial (shelterwood) cuttings for establishing natural regeneration. The plots were remeasured in 1909 and again in 1915 by representatives of the United States Forest Service, but after the 1915 measurement they were turned over to the Yale School of Forestry.* In 1920, 1925, 1930, and 1935 the plots …


Factors Controlling Initial Establishment Of Western White Pine And Associated Species, Irvine T. Haig Jan 1936

Factors Controlling Initial Establishment Of Western White Pine And Associated Species, Irvine T. Haig

Yale School of the Environment Bulletin Series

The principal object of the study was to determine the roles played by important physical factors of site, chiefly as these vary with overhead shade and hence are within the control of the silviculturist at the time of logging. No special effort was made to study the effect of biotic agents under natural conditions. Indeed, in order to insure as large a sample of seedlings as possible on which to follow losses caused by physical factors, biotic agents were discouraged wherever feasible. But as records of all mortality losses were kept by cause, some information was collected on the activity …


Artificial Pruning In Coniferous Plantations, Ralph C. Hawley, Robert T. Clapp Jan 1935

Artificial Pruning In Coniferous Plantations, Ralph C. Hawley, Robert T. Clapp

Yale School of the Environment Bulletin Series

The pruning practices here outlined should be applicable on the thousands of acres of coniferous plantations which have been established in southern New England and portions of New York, New Jersey, and Pennsylvania having similar forest conditions.


Forest Fire Damage Studies In The Northeast--I. Bark-Beetles And Fire Damaged Hardwoods, Paul W. Stickel Oct 1934

Forest Fire Damage Studies In The Northeast--I. Bark-Beetles And Fire Damaged Hardwoods, Paul W. Stickel

The Bark Beetles, Fuels, and Fire Bibliography

In reporting the damage to trees scorched lightly at the base by fire the average fire warden and even the technically trained forester is given to stating that little harm has been done providing the tree crowns remain green. Such a statement is far from being correct, failing as it does to take into account the aftermath of insect and fungus damage which invariably follows even the lightest of surface fires. In the case reported herein, over 50 per cent of the fire-scorched hardwoods showed signs of the presence of ambrosia-beetles, whose work, even if the trees continue to live, …


Some Aspects Of An Early Expression Of Dominance In White Pine (Pinus Strobus L.), J Lee Deen Jan 1933

Some Aspects Of An Early Expression Of Dominance In White Pine (Pinus Strobus L.), J Lee Deen

Yale School of the Environment Bulletin Series

A series of temporary plots was made for the purpose of observing and noting (1) the factors affecting an expression of dominance of white pine (Pinus strobus Linnaeus) and (2) the relationship between dominance and the development of white pine stands. Twenty natural stands and thirteen plantation stands were studied.


Selection Cuttings For The Small Forest Owner, Ralph C. Hawley, Allen W. Goodspeed Jan 1932

Selection Cuttings For The Small Forest Owner, Ralph C. Hawley, Allen W. Goodspeed

Yale School of the Environment Bulletin Series

The purpose of this publication is to indicate to owners of small forests methods of harvesting wood and timber and developing future timber crops which .are likely to prove more profitable than those followed in the past. Cutting practices here described have been applied for some years in the Eli Whitney Forest, New Haven, Conn., where forest areas in various stages of treatment can be ·seen.


The Eli Whitney Forest: A Demonstration Of Forestry Practice, Ralph C. Hawley, William Maughan Feb 1930

The Eli Whitney Forest: A Demonstration Of Forestry Practice, Ralph C. Hawley, William Maughan

Yale School of the Environment Bulletin Series

This publication has been prepared as a contribution toward solving some of the forestry problems with which owners of woodland are confronted. Forest conditions and details and methods of forest management on one property, the Eli Whitney Forest, are set forth here in the hope that the recital may provide a helpful object lesson.


The Effect Of Soil Moisture On The Establishment Of Spruce Reproduction In British Columbia, Percy Munson Barr Jan 1930

The Effect Of Soil Moisture On The Establishment Of Spruce Reproduction In British Columbia, Percy Munson Barr

Yale School of the Environment Bulletin Series

Most of the field work has been conducted at the Aleza Lake Forest Experiment Station, in the valley of the Upper Fraser River, near the city of Prince George [British Columbia].

I. A series of twelve permanent plots (numbers 1 to 12) was established for the purpose of studying the occurrence of natural reproduction on various types of seed bed, under different densities of overwood and on northern and southern aspects. 2. A second series of four plots (numbers 17 to 20) was laid out in logged-off land for the purpose of studying the survival and growth of advance reproduction …


Diameter Distribution Series In Evenaged Forest Stands, Walter H. Meyer Jan 1930

Diameter Distribution Series In Evenaged Forest Stands, Walter H. Meyer

Yale School of the Environment Bulletin Series

BOTH in natural and in planted forest stands trees vary greatly in diameter, form, and height, even when the trees are all of the same age. For example, in a natural forest stand of Douglas fir, aged seventy years and located on a poor growing site, the trees may range from 5 to 18 inches in diameter at breast height (4.5 feet above the ground). The numbers of trees in the range of diameter .classes are not equal, but are small in classes at the extremes of the range and large in the central classes. If these numbers were plotted …


Control Of The White Pine Weevil On The Eli Whitney Forest, William Maughan Jan 1930

Control Of The White Pine Weevil On The Eli Whitney Forest, William Maughan

Yale School of the Environment Bulletin Series

During the summer of 1930 the author made an investigation to determine the actual results of the control work. The results show that the weevil can be controlled on certain sites. The removal of infested tips brings about a marked reduction in the amount of infestation evident during succeeding years. The reduction first becomes noticeable the second or third year after the work is started. In the stands in which treatment has been completed more than enough acceptable stems have been secured on the medium and better sites. On the poorer sites enough acceptable stems are not secured even though …


The Testing Of Coniferous Tree Seeds At The School Of Forestry, Yale University, 1906-1926, James W. Toumey, Clark L. Stevens Jan 1927

The Testing Of Coniferous Tree Seeds At The School Of Forestry, Yale University, 1906-1926, James W. Toumey, Clark L. Stevens

Yale School of the Environment Bulletin Series

Quality in forest tree seed centers in (a) origin; (b) genuineness; (c) purity; and (d) viability. The purchaser should insist on knowing the origin of the seed and the locality where it was collected.

Without seed testing establishments for investigating forest tree seeds by standardized methods under an established technique, nurserymen and foresters will continue to sow seed beds and undertake direct seeding without an adequate knowledge of the origin, genuineness, purity, and viability of the seeds used.


A Second Progress Report Of The Results Secured In Treating Pure White Pine Stands On Experimental Plots At Keene, New Hampshire, Ralph C. Hawley Jan 1927

A Second Progress Report Of The Results Secured In Treating Pure White Pine Stands On Experimental Plots At Keene, New Hampshire, Ralph C. Hawley

Yale School of the Environment Bulletin Series

In October, 1905, nineteen permanent sample plots were established in the white pine type near Keene, New Hampshire, by the United States Forest Service in cooperation with the Faulkner and Colony Manufacturing Company on lands owned by the latter.! The plots were remeasured in 1909 and again in 1915 by representatives of the United States Forest Service. After the 1915 measurement the plots were turned over to the Yale School of Forestry. In 1920 the plots were remeasured for the third time, three additional plots were established and six of the original plots were discontinued. A fourth remeasurement was made …


Studies Of Connecticut Hardwoods: The Form Of Hardwoods And Volume Tables On A Form Quotient Basis, Ralph C. Hawley, Rogers G. Wheaton Jan 1926

Studies Of Connecticut Hardwoods: The Form Of Hardwoods And Volume Tables On A Form Quotient Basis, Ralph C. Hawley, Rogers G. Wheaton

Yale School of the Environment Bulletin Series

SATISFACTORY volume tables for Connecticut Hardwoods have been . lacking. Considering the fact that the forestry movement within the state started a quarter of a century ago, this condition may seem strange. The scarcity of large bodies of timber, the diverse mixture of species in the average stand requiring several volume tables, and the fact that timber estimating as a business is of relatively lower importance here than in the more heavily timbered regions, account for the failure to develop volume tables. Foresters working within the region have been content to estimate timber by log unit methods or to adapt …