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Ecology and Evolutionary Biology

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Articles 1291 - 1320 of 1385

Full-Text Articles in Genetics and Genomics

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

Cottonwood Recovers From Deer Browsing, R. M. Krinard

Aspen Bibliography

No abstract provided.


Notes On The Systemics Of Proechimys (Rodentia: Echimyidae), With Emphasis On Peruvian Forms, James L. Patton, Alfred L. Gardner Sep 1972

Notes On The Systemics Of Proechimys (Rodentia: Echimyidae), With Emphasis On Peruvian Forms, James L. Patton, Alfred L. Gardner

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


New Species Of Philander (Marsupialia: Didelphidae) And Mimon (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, James L. Patton Sep 1972

New Species Of Philander (Marsupialia: Didelphidae) And Mimon (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, James L. Patton

Occasional Papers of the Museum of Natural Science, Louisiana State University

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.


Natural Succession In North-Central Minnesota, Henry L. Hansen, Vilis Kurmis Jan 1972

Natural Succession In North-Central Minnesota, Henry L. Hansen, Vilis Kurmis

Aspen Bibliography

No abstract provided.


An Allometric Model For Bole Biomass Estimates Of Spruce And Aspen In Southwestern Colorado, Thomas D. Landis Jan 1972

An Allometric Model For Bole Biomass Estimates Of Spruce And Aspen In Southwestern Colorado, Thomas D. Landis

Aspen Bibliography

No abstract provided.


Aspen Minnesota's No. 1 Tree, George Rossman, Bob Rossman, Allen Rossman Jan 1972

Aspen Minnesota's No. 1 Tree, George Rossman, Bob Rossman, Allen Rossman

Aspen Bibliography

For thousands of years after the last glaciers disappeared from northern Minnesota, the forces of nature worked to develop a magnificent forest of predominantly white and red pine. Stands of big pines covered more than 5 million acres.


Deer And Aspen, American Box Board Co. Jan 1972

Deer And Aspen, American Box Board Co.

Aspen Bibliography

He's a big eater.


The Gene Frequencies Of Ten Different Alleles In Man As Determined By The Hardy-Weinberg Equilibrium, Elizabeth Suzanne Shaw Jan 1972

The Gene Frequencies Of Ten Different Alleles In Man As Determined By The Hardy-Weinberg Equilibrium, Elizabeth Suzanne Shaw

Masters Theses

No abstract provided.


Economic Operability - Factors Affecting Harvest And Transport Costs, Dennis P. Bradley, Frank E. Biltonen Jan 1972

Economic Operability - Factors Affecting Harvest And Transport Costs, Dennis P. Bradley, Frank E. Biltonen

Aspen Bibliography

No abstract provided.


A New Species Of Sturnira (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, John P. O'Neill Jun 1971

A New Species Of Sturnira (Chiroptera: Phyllostomidae) From Peru, Alfred L. Gardner, John P. O'Neill

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Systemics Of The Neotropical Populations Of Thamnophis Marcianus (Serpentes: Colubridae), Douglas A. Rossman Jun 1971

Systemics Of The Neotropical Populations Of Thamnophis Marcianus (Serpentes: Colubridae), Douglas A. Rossman

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


A New Species Of Diploglossus (Sauria: Anguidae) From Hispaniola, Richard Thomas Jun 1971

A New Species Of Diploglossus (Sauria: Anguidae) From Hispaniola, Richard Thomas

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Preliminary Estimates Of Bark Percentages And Chemical Elements In Complete Trees Of Eight Species In Maine, Harold E. Young May 1971

Preliminary Estimates Of Bark Percentages And Chemical Elements In Complete Trees Of Eight Species In Maine, Harold E. Young

Aspen Bibliography

Five tables were prepared to show the relative amount of bark on each of the tree components, the concentration and range of 12 chemical elements in the bark of each tree component, the proportion of each of the chemical elements in the bark of that element in the complete tree, and the proportion of each element in the bark as compared to the wood and bark of the merchantable bole. There is an overall 4:6:1 wood to bark ratio, but due to the higher concentration of the elements in the bark, the proportion of the elements in the bark is …


Interception Per Canopy In A Multi-Storied Largetooth Aspem Community, John R. Clements Jan 1971

Interception Per Canopy In A Multi-Storied Largetooth Aspem Community, John R. Clements

Aspen Bibliography

No abstract provided.


Measurement Of Throughfall At Two Levels In A Young Aspen Stand, J.R. Clements Jan 1971

Measurement Of Throughfall At Two Levels In A Young Aspen Stand, J.R. Clements

Aspen Bibliography

The purpose of this report is to compare measurements of the quantity of throughfall at two different heights above ground level in a seven-year-old sucker stand of largetooth aspen (Populus grandidentata Michx.) This comparison defines the influence rain splash from the forest floor has on the quantity of throughfall catch of trough rain gauges placed on the forest floor.


Net Rainfall In A Multi-Storied Aspen Forest Community, J.R. Clements Jan 1971

Net Rainfall In A Multi-Storied Aspen Forest Community, J.R. Clements

Aspen Bibliography

This paper presents mathematical equations describing the relationships between the amount of net rain per storm under each crown canopy and the amount of gross rain per storm in a multi-storied forest community. The relationships were curvilinear and accounted for gradual filling of the storage capacity of the vegetation. The rate of increase of net rainfall was successively less for each crown canopy in turn starting with the uppermost canopy in the forest. The equation coefficients varied in respect of the position of the crown canopies in the vegetal profile and also in respect of variations in vegetal structure within …


Effects Of Phenylmercuric Acetate On The Transpiration And Physiology Of Quaking Aspen, Kenneth O. Higginbotham Jan 1970

Effects Of Phenylmercuric Acetate On The Transpiration And Physiology Of Quaking Aspen, Kenneth O. Higginbotham

Aspen Bibliography

No abstract provided.


Natural Regeneration Of White Spruce Under Spruce-Aspen Shelterwood, B-18a Forest Section, Alberta, J. C. Lees Jan 1970

Natural Regeneration Of White Spruce Under Spruce-Aspen Shelterwood, B-18a Forest Section, Alberta, J. C. Lees

Aspen Bibliography

No abstract provided.


A New Natricine Snake Of The Genus Thamnophis From Northern Mexico, Douglas A. Rossman Mar 1969

A New Natricine Snake Of The Genus Thamnophis From Northern Mexico, Douglas A. Rossman

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


The Taxonomic Status Of Sturnira Bidens (Chiroptera: Phyllostomidae) With Notes On Its Karyotype And Life History, Alfred L. Gardner, John P. O'Neill Mar 1969

The Taxonomic Status Of Sturnira Bidens (Chiroptera: Phyllostomidae) With Notes On Its Karyotype And Life History, Alfred L. Gardner, John P. O'Neill

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


A New Species Of Blackbird (Agelaius) From Peru, Lester L. Short Mar 1969

A New Species Of Blackbird (Agelaius) From Peru, Lester L. Short

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Distributional Notes On The Birds Of Peru, Including Twelve Species Previously Unreported From The Republic, John P. O'Neill Mar 1969

Distributional Notes On The Birds Of Peru, Including Twelve Species Previously Unreported From The Republic, John P. O'Neill

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


The Effects Of Some Silvicultural And Soil Treatments On Aspen (Populus Tremuloides Michx.) Reproduction In Northern Utah, Calvin O. Baker Jan 1969

The Effects Of Some Silvicultural And Soil Treatments On Aspen (Populus Tremuloides Michx.) Reproduction In Northern Utah, Calvin O. Baker

Aspen Bibliography

No abstract provided.


The Effect Of Cattle, Sheep, And Other Factors On Aspen (Populus Tremuloides) Reproduction After Clear-Cut Logging In Southern Utah, Paul A. Lucas Jan 1969

The Effect Of Cattle, Sheep, And Other Factors On Aspen (Populus Tremuloides) Reproduction After Clear-Cut Logging In Southern Utah, Paul A. Lucas

Aspen Bibliography

No abstract provided.


Populus: A Bibliography Of World Literature, 1854-1963, R.E. Farmer Jr., J.S. Mcknight Jan 1969

Populus: A Bibliography Of World Literature, 1854-1963, R.E. Farmer Jr., J.S. Mcknight

Aspen Bibliography

No abstract provided.


A New Natricine Snake Of The Genus Adelophis From Western Mexico, Douglas A. Rossman, Richard M. Blaney May 1968

A New Natricine Snake Of The Genus Adelophis From Western Mexico, Douglas A. Rossman, Richard M. Blaney

Occasional Papers of the Museum of Natural Science, Louisiana State University

No abstract provided.


Evaluation Of The Effects Of Reduced Transpiration Upon Soil Moisture Retention In An Aspen Stand Throughout The Growing Season In Northern Utah, Michael Zan Jan 1968

Evaluation Of The Effects Of Reduced Transpiration Upon Soil Moisture Retention In An Aspen Stand Throughout The Growing Season In Northern Utah, Michael Zan

Aspen Bibliography

No abstract provided.


Soil Moisture Recharge In Stands Of Quaking Aspen And Gambel Oak In Central Utah, James L. Boynton Jan 1968

Soil Moisture Recharge In Stands Of Quaking Aspen And Gambel Oak In Central Utah, James L. Boynton

Aspen Bibliography

No abstract provided.


Ninth Random Sample Laying Test, 1965-66, Department Of Agriculture, Western Australia Jan 1967

Ninth Random Sample Laying Test, 1965-66, Department Of Agriculture, Western Australia

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

NINTH RANDOM SAMPLE LAYING TEST, 1965-66

POULTRY RESEARCH STATION, WEMBLEY

FINAL REPORT TO 500 DAYS