This publication reports the results of a preliminary survey listing 527 forest-tree plantations in the western United States and Canada. Of these, 250 involve families of known parentage, 131 provenance-test
material, 87 clonal material, and 59 interspecific hybrids. The report is intended (1) to serve forest researchers in locating genetic...
It’s little wonder that people are confused by tree names. Foresters
and lay people often name a tree based on its physical appearance, the
wood products industry may call the tree by another name based on the
characteristics of the wood, and botanists name a tree based on its
anatomical...
"We describe a test procedure developed during growth room and field trials for which we processed hundreds of test lots of seedlings, mainly Douglas-fir (Pseudotsuga menziesii) and ponderosa pine (Pinus ponderosa), as well as lodgepole pine (Pinus contorta), Jeffrey pine (Pinus jeffreyi), and Sitka spruce (Picea sitchensis), noble fir (Abies...
This proposal by the Coniferous Forest Biome investigators requests support
for the third and fourth years of a highly integrated series of investigations
within the Ecosystem Analysis program of the United States effort under the
International Biological Program. The program for the Coniferous Forest Biome
has been approved by the...