Results 81 to 90 of about 92,573 (158)

Spruce Budworm Egg Mass Density on Balsam Fir and White Spruce: Low Population Levels (Lepidoptera: Tortricidae) [PDF]

, 2017
As part of a study to develop improved foliage sampling methods for spruce budworm, Choristoneura fumiferana (Clemens), egg masses, two balsam fir (four in one stand), Abies balsamea, and two white spruce, Picea glauca, trees were chosen from each of ...
Fowler, Gary W, Gary W Fowler, Gary A Simmons, Simmons, Gary A   +3 more
core   +1 more source

Canopy, snow, and lichens on woodland caribou range in southeastern Manitoba

Rangifer, 1996
I examined the relationships among snow cover (api), lichen abundance, and canopy composition on the range of the Aikens Lake population of woodland caribou (Rangifer tarandus caribou) in southeastern Manitoba.
James A. Schaefer
doaj   +1 more source

Ecoregion and community structure influences on the foliar elemental niche of balsam fir (Abies balsamea (L.) Mill.) and white birch (Betula papyrifera Marshall). [PDF]

Ecol Evol, 2022
Heckford TR, Leroux SJ, Vander Wal E, Rizzuto M, Balluffi-Fry J, Richmond IC, Wiersma YF.   +6 more
europepmc   +1 more source

Characterizing Seasonal Radial Growth Dynamics of Balsam Fir in a Cold Environment Using Continuous Dendrometric Data: A Case Study in a 12-Year Soil Warming Experiment. [PDF]

Sensors (Basel), 2022
Oogathoo S, Duchesne L, Houle D, Kneeshaw D.   +3 more
europepmc   +1 more source

Bruce-Smith wholesale balsam fir Christmas tree lot, at 27th and Cleveland.

, 2008
Bruce-Smith wholesale balsam fir Christmas tree lot, at 27th and Cleveland. These men handled 7 carloads of Canadian balsam in 1956. Scale: Wm. Hoag, John Hacskaylo, and Richard Smith.
Ohio Agricultural Experiment Station. Dept. of Forestry.
core   +1 more source

Interactive effects of spruce budworm and moose herbivory on balsam fir recruitment and regeneration

, 2019
This fileset includes R code and data used to investigate the impacts of spruce budworm and moose herbivory on balsam fir recruitment and regeneration in Terra Nova National Park, NL, Canada.
Shawn Leroux (486760), Luise Hermanutz (6577886), Louis Charron (6577885), Janet Feltham (6577889)   +3 more
core   +1 more source

Climate Risk Modelling of Balsam Woolly Adelgid Damage Severity in Subalpine Fir Stands of Western North America.

PLoS ONE, 2016
The balsam woolly adelgid (Adelges piceae (Ratzeburg) (Homoptera: Adelgidae)) (BWA) is a nonnative, invasive insect that threatens Abies species throughout North America.
Kathryn H Hrinkevich, Robert A Progar, David C Shaw   +2 more
doaj   +1 more source

B759: Balsam Fir (Abies balsamea (L.) Mill.) Phenology in Maine [PDF]

, 1979
Spring phenology of balsam fir in Maine was investigated during 1978. Multiple regression models based on climatic and geographic factors were developed for predicting fir phenology and accounted for a maximum of 52.6% of the observed phenological ...
Mingo, T. M., Dimond, J. B.
core  

In situ warming causes thermal divergence in photosynthetic capacity between two boreal conifers classified as the same plant functional type

Frontiers in Forests and Global Change
The boreal forest in North America plays a major role in global vegetation–atmosphere interactions and is expected to experience significant warming by the end of this century; therefore, accurately predicting carbon dynamics in this region is ...
William R. Vaughn, William R. Vaughn, Anthony R. Taylor, David A. MacLean, Loïc D’Orangeville, Chris B. Edge, Robert W. Buchkowski, Robert W. Buchkowski   +7 more
doaj   +1 more source

Townsley farms. Farm homestead Planting Norway spruce, white pine, balsam fir - planted 1840.

, 2003
Townsley farms. Farm homestead Planting Norway spruce, white pine, balsam fir - planted 1840.
Ohio Agricultural Experiment Station. Dept. of Forestry.
core