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Articles 2491 - 2520 of 2597

Full-Text Articles in Forest Sciences

A Firm Stand For The Quaking Aspen, Robert F. Jones Jan 1978

A Firm Stand For The Quaking Aspen, Robert F. Jones

Aspen Bibliography

No abstract provided.


Assessment Of Regeneration Stocking Standards Used In Alberta: A Follow-Up, I. E. Bella, J. P. Defranceschi Jan 1978

Assessment Of Regeneration Stocking Standards Used In Alberta: A Follow-Up, I. E. Bella, J. P. Defranceschi

Aspen Bibliography

No abstract provided.


Equations For Estimating Stand Establishment, Release, And Thinning Costs In The Lake States, Jeffrey T. Olson, Allen L. Lundgreen, Dietmar Rose Jan 1978

Equations For Estimating Stand Establishment, Release, And Thinning Costs In The Lake States, Jeffrey T. Olson, Allen L. Lundgreen, Dietmar Rose

Aspen Bibliography

No abstract provided.


Characterizing The Growth Dynamics Of Lake States Aspen, Thomas Edward Burk Jan 1978

Characterizing The Growth Dynamics Of Lake States Aspen, Thomas Edward Burk

Aspen Bibliography

No abstract provided.


Our Western Aspen Ecosystem: Quest For Management, Norbert V. Debyle Jan 1978

Our Western Aspen Ecosystem: Quest For Management, Norbert V. Debyle

Aspen Bibliography

No abstract provided.


Aspen Sucker Production And Growth From Outplanted Root Cuttings, Donald A. Perala Jan 1978

Aspen Sucker Production And Growth From Outplanted Root Cuttings, Donald A. Perala

Aspen Bibliography

Aspen suckers from 1-m-long root cuttings survived and grew better than those from 12.5-cm-long cuttings. Sucker survival and growth were also inversely related to parent root diameter. Discusses the practical implications for aspen management.


Hypoxylon Mammatum Pathotoxin Responsible For Canker Formation In Quaking Aspen, Arthur L. Schipper, Jr. Nov 1977

Hypoxylon Mammatum Pathotoxin Responsible For Canker Formation In Quaking Aspen, Arthur L. Schipper, Jr.

Aspen Bibliography

No abstract provided.


Tree To Chips To Red Meat To Steaks, It Serves As Emergency Livestock Feed, Les Kamstra Jul 1977

Tree To Chips To Red Meat To Steaks, It Serves As Emergency Livestock Feed, Les Kamstra

Aspen Bibliography

We must be resourceful. Our "natural" resources are becoming scarcer every day, while waste products mushroom in dumps, along roadsides, in the water and air.


The Influence Of Predator Control On Two Adjacent Wintering Deer Herds, Dennis D. Austin, Philip J. Urness, Michael L. Wolfe Mar 1977

The Influence Of Predator Control On Two Adjacent Wintering Deer Herds, Dennis D. Austin, Philip J. Urness, Michael L. Wolfe

Aspen Bibliography

No abstract provided.


Vegetation And Environmental Features Of Forest And Range Ecosystems, George A. Garrison, Ardell J. Bjugstad, Don A. Duncan, Mont E. Lewis, Dixie R. Smith Jan 1977

Vegetation And Environmental Features Of Forest And Range Ecosystems, George A. Garrison, Ardell J. Bjugstad, Don A. Duncan, Mont E. Lewis, Dixie R. Smith

Aspen Bibliography

This is one of the reports developed as part of the Forest-Range Environmental Study (FRES) of the Forest Service, U.S. Department of Agriculture. This report presents descriptive sketches of 34 soil-vegetation units, called ecosystems. These cover all the land area of the 48 contiguous States.


Jack Pine And Aspen Forest Floors In Northeastern Minnesota, Robert M. Loomis Jan 1977

Jack Pine And Aspen Forest Floors In Northeastern Minnesota, Robert M. Loomis

Aspen Bibliography

Characteristics of upland forest floors under mature jack pine and aspen in northeastern Minnesota were investigated.


Some Individual Plant Biomass Values From Northeastern Minnesota, Lewis F. Ohmann, David F. Grigal Jan 1977

Some Individual Plant Biomass Values From Northeastern Minnesota, Lewis F. Ohmann, David F. Grigal

Aspen Bibliography

No abstract provided.


Biomass Estimation For Some Shrubs From Northeastern Minnesota, David F. Grigal, Lewis F. Ohmann Jan 1977

Biomass Estimation For Some Shrubs From Northeastern Minnesota, David F. Grigal, Lewis F. Ohmann

Aspen Bibliography

Biomass prediction equations were developed for 23 northeastern Minnesota shrub species. The allometric function was used to predict leaf, current annual woody twig, stem, and total woody biomass (dry grams), using stem diameter class estimated to the nearest 0.25 cm class at 15 cm above ground level as the independent variable.


Natural Regeneration Of Northern Hardwoods In The Northern Great Lakes Region, Carl H. Tubbs Jan 1977

Natural Regeneration Of Northern Hardwoods In The Northern Great Lakes Region, Carl H. Tubbs

Aspen Bibliography

The forest types collectively known as "northern hardwoods" (Quigley and Babcock 1969) occupy nearly 100 million acres in eastern North America.


Forest Insect And Disease Management : Aspen Mortality At The Maroon Lake Campground, David W. Johnson, Thomas E. Hinds Jan 1977

Forest Insect And Disease Management : Aspen Mortality At The Maroon Lake Campground, David W. Johnson, Thomas E. Hinds

Aspen Bibliography

At the request of the White River National Forest, Dave Johnson, Plant Pathologist, FI&DM and Tom Hinds, Plant Pathologist, RMFRES, made an evaluation of aspen mortality in the Maroon Lake Campground, Aspen Ranger District during June 13 to 15, 1977. Previously, Hinds (1976) reported accelerated aspen loss in 17 campgrounds, including Maroon Lake, located throughout Colorado and New Mexico (Fig. 1).


Aspen Mortality At The Maroon Lake Campground, Aspen Ranger District, White River National Forest, David W. Johnson, Thomas E. Hinds, G.L. Downing, F.A. Dorrell Jan 1977

Aspen Mortality At The Maroon Lake Campground, Aspen Ranger District, White River National Forest, David W. Johnson, Thomas E. Hinds, G.L. Downing, F.A. Dorrell

Aspen Bibliography

No abstract provided.


Biomasse D'Un Peuplement De Peuplier Faux-Tremble Age Six Ans, René Doucet Jan 1977

Biomasse D'Un Peuplement De Peuplier Faux-Tremble Age Six Ans, René Doucet

Aspen Bibliography

The establishment of an experiment designed to study the effect of thinning and fertilization in a 6 year-old trembling aspen stand, provided the opportunity to determine the mass of the standing crop present at the age.


Biomass And Nutrient Content Of Green Material The Size Of Medium And Large Litter, William E. Miller Dec 1976

Biomass And Nutrient Content Of Green Material The Size Of Medium And Large Litter, William E. Miller

Aspen Bibliography

No abstract provided.


Description Of Aspen Communities And Related Wildlife Populations In The Phosphate Strip Mining Area Of Southeastern, Idaho, David S. Winn Jan 1976

Description Of Aspen Communities And Related Wildlife Populations In The Phosphate Strip Mining Area Of Southeastern, Idaho, David S. Winn

Aspen Bibliography

No abstract provided.


Aspen Forest After Harvest, Norbert V. Debyle Jan 1976

Aspen Forest After Harvest, Norbert V. Debyle

Aspen Bibliography

Aspen is a unique forest tree with respect to regeneration. It produces abundant root suckers, up to 40,000 per acre are common, after clearcutting or fire removes the parent stand. The rapidly growing sucker stand competes well with other vegetation, but is susceptible to destruction by excessive ungulate browsing. Clearcut areas produce more streamflow and more growth on shrubs and herbaceous vegetation than does the uncut forest. The patchwork of age classes that results from even-age management optimizes wildlife habitat requirements for several desired species.


Odum's Ecosystem Attributes: Testing An Hypothesis, James A. Macmahon Jan 1976

Odum's Ecosystem Attributes: Testing An Hypothesis, James A. Macmahon

Aspen Bibliography

No abstract provided.


Effects Of Clear-Cutting On Nutrient Losses In Aspen Forests On Three Soil Types In Michigan, Curtis J. Richardson, Jeffrey A. Lund Jan 1976

Effects Of Clear-Cutting On Nutrient Losses In Aspen Forests On Three Soil Types In Michigan, Curtis J. Richardson, Jeffrey A. Lund

Aspen Bibliography

The effects of clear-cutting on NO-3, NH+4, PO3-4, K+, Ca2+, Na+, Fe2+, and Mg2+ losses were evaluated in three 60-year-old aspen stands in northern lower Michigan.


Forestry Report, P. Sims, G. Steneker, K. Fronting, C. Kirby, P. Van Eck, H. Johnson, N. Walker, R. Bohning, L. Carlson, I. Bella, W. Johnstone, R. Waldron, L. Brace Aug 1975

Forestry Report, P. Sims, G. Steneker, K. Fronting, C. Kirby, P. Van Eck, H. Johnson, N. Walker, R. Bohning, L. Carlson, I. Bella, W. Johnstone, R. Waldron, L. Brace

Aspen Bibliography

No abstract provided.


Radial Distribution Of Corticular Photosynthate In Stems Of Bigtooth And Trembling Aspen, Robert K. Shepherd, Jr. Aug 1974

Radial Distribution Of Corticular Photosynthate In Stems Of Bigtooth And Trembling Aspen, Robert K. Shepherd, Jr.

Aspen Bibliography

No abstract provided.


Location-Allocation Models For Establishing Facilities, David F. Gibson, John Rodenberg Jan 1974

Location-Allocation Models For Establishing Facilities, David F. Gibson, John Rodenberg

Aspen Bibliography

Two models and accompanying computer programs are presented which were developed to locate facilities for the timber harvesting industry. Addressed is a case of the facility location-allocation problem. The optimum location and number of landings, facilities to which timber is transshipped, are determined so as to minimize a cost function. This function is composed of the following components: (1) cost of transporting material from its original location to a landing, (2) cost of establishing a landing (facility cost), and (3) cost of transporting material from the landings to some designated point termed the origin. Output of the computer programs is …


Short-Term Growth Response To Fertilization In Young Quaking Aspen, Keith Van Cleve Dec 1973

Short-Term Growth Response To Fertilization In Young Quaking Aspen, Keith Van Cleve

Aspen Bibliography

No abstract provided.


Continued Studies Of The Status, Socialization, And Relationships Of Isle Royale Wolves, 1967-1970., Michael L. Wolfe, Durward L. Allen Aug 1973

Continued Studies Of The Status, Socialization, And Relationships Of Isle Royale Wolves, 1967-1970., Michael L. Wolfe, Durward L. Allen

Aspen Bibliography

No abstract provided.


Community Characteristics Of Six Burned Aspen-Conifer Sites And Their Related Animal Use, Larry H. Kleinman Aug 1973

Community Characteristics Of Six Burned Aspen-Conifer Sites And Their Related Animal Use, Larry H. Kleinman

Aspen Bibliography

No abstract provided.


Cottonwood Recovers From Deer Browsing, R. M. Krinard May 1973

Cottonwood Recovers From Deer Browsing, R. M. Krinard

Aspen Bibliography

No abstract provided.


Yields From 18-Year-Old Aspen Via Total Tree Harvesting, M. K. Benson, D. W. Einspahr Jun 1972

Yields From 18-Year-Old Aspen Via Total Tree Harvesting, M. K. Benson, D. W. Einspahr

Aspen Bibliography

Described are the results of harvesting the above-ground parts of an 18-year-old aspen stand and the observations made on the initial suckering of the new stand. The yields for the stand of 17.7 cunits per acre were greater than predicted yields of comparable material for the site at age 35. Suckering on the area the first year after cutting averaged 37,000 aspen stands per acre and 2.6 feet in height.