Add to ORKGThis paper gives the results of a study to ascertain the accuracy of branch-sample counts for estimating total cone (seed) production in a closed, natural stand of Rocky Mountain Douglas fir
Populations of many tree species exhibit synchronous and highly temporally variable seed crops acros...
COTTNTS on the occurrence of an insect were seoured to make clear a valid and efficient method of es...
One cluster each of balsam fir, Abies balsamea, and white spruce, Picea glauca, trees was chosen fro...
An analysis was made of the distribution of and interactions between three major species of insects ...
Graduation date: 1979Noble fir (Abies procera Rehd.) is an upper elevation timber species native to ...
Graduation date: 1987The impact of various factors on seed production in a\ud Douglas-fir (Pseudotsu...
A technique was developed for sampling the mountain pine beetle, Dendroctonus ponderosae Hopkins, se...
Insect damage was extensive to Douglas-fir, ponderosa pine, western white pine, and western larch co...
In 1974 and 1976, Douglas-fir cones from 51 clones and 150 clones, respectively, were collected and ...
The U.S. Forest Service has monitored longleaf pine cone production at sites throughout the southeas...
A study was carried out to determine factors which influence the abundance of Adelges (Chermes) cool...
The problems that arise in developing a sampling design for the various life stages of the larch cas...
The bulletin presents information gathered by a study that determined the extent of damage to ponder...
Number of cones produced per tree and the number of cones escaping squirrel predation in two study a...
Damage by the Douglas-fir cone moth, <i>Barbara colfaxiana</i> (Kearfott), in year N was...
Populations of many tree species exhibit synchronous and highly temporally variable seed crops acros...
COTTNTS on the occurrence of an insect were seoured to make clear a valid and efficient method of es...
One cluster each of balsam fir, Abies balsamea, and white spruce, Picea glauca, trees was chosen fro...
An analysis was made of the distribution of and interactions between three major species of insects ...
Graduation date: 1979Noble fir (Abies procera Rehd.) is an upper elevation timber species native to ...
Graduation date: 1987The impact of various factors on seed production in a\ud Douglas-fir (Pseudotsu...
A technique was developed for sampling the mountain pine beetle, Dendroctonus ponderosae Hopkins, se...
Insect damage was extensive to Douglas-fir, ponderosa pine, western white pine, and western larch co...
In 1974 and 1976, Douglas-fir cones from 51 clones and 150 clones, respectively, were collected and ...
The U.S. Forest Service has monitored longleaf pine cone production at sites throughout the southeas...
A study was carried out to determine factors which influence the abundance of Adelges (Chermes) cool...
The problems that arise in developing a sampling design for the various life stages of the larch cas...
The bulletin presents information gathered by a study that determined the extent of damage to ponder...
Number of cones produced per tree and the number of cones escaping squirrel predation in two study a...
Damage by the Douglas-fir cone moth, <i>Barbara colfaxiana</i> (Kearfott), in year N was...
Populations of many tree species exhibit synchronous and highly temporally variable seed crops acros...
COTTNTS on the occurrence of an insect were seoured to make clear a valid and efficient method of es...
One cluster each of balsam fir, Abies balsamea, and white spruce, Picea glauca, trees was chosen fro...