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Now showing items 141-150 of 205
Needle flavonoids and population differentiation in the Abies section Nobilis Engelm
(1985)
The Abies section Nobilis Engelm. consists of two high-elevation
tree species that grow in the mountains of Washington, Oregon and
California. The two varieties of A.magnifica A.Murray grow south of
A.procera Rehd. One ...
Establishment and early growth of black spruce (Picea mariana [Mill.] B.S.P.) in relation to selected nursery lifting and storage practices
(1989)
Problems associated with the establishment and early growth of overwinter frozen stored black
spruce {Picea mariana [Mill.] B.S.P.) seedlings led to research on the effects of selected nursery lifting and
storage practices ...
Conditioning white spruce (Picea glauca (Moench) Voss) transplants for overwinter storage by root pruning and wrenching
(1987)
Problems associated with the establishment and early growth of outplanted white spruce (Picea glauca (Moench) Voss) led to research on conditioning white spruce transplants for overwinter frozen storage by root pruning and ...
Shigometer and electrical resistance studies of paper birch
(1990)
The Shigometer was evaluated as an instrument for detecting
red heart of paper birch. The Shigometer accurately detected the
presence of red heart at a 50% decrease from the maximum reading
rule but sometimes failed to ...
Aspects of comparative growth, morphology and anatomy of long and short shoots of Betula papyrifera Marsh
(1983)
The primary objectives of this research were:
1) To compare long and short shoot growth utilizing growth analysis techniques.
2) To describe the general morphology of long and short shoots and to compare them using ...
Lightning occurrence in Pukaskwa National Park and surrounding area
(2000)
Pukaskwa National Park has implemented a natural fire regime emulation program.
One component of the natural fire regime is the pattern of ignitions, primarily from lightning.
There were three ways in which patterns ...
Impacts of the herbicide glyphosate on moose browse and moose use of four paired treated-control cutovers near Thunder Bay, Ontario
(1993)
Re-assessment of the aerial and ground observations on
four paired, glyphosate treated and control, cutovers near
Thunder Bay, Ontario, indicated that aerial tending with
glyphosate altered the use of these cutovers by ...
Effect of photoperiod on apical growth cessation in tamarack (Larix laricina) and balsam poplar (Populus balsamifera) provenances from northern Ontario
(1990)
The effects of four photoperiods (i.e. 6, 10, 14, and 18 hours) on the rate of apical
growth cessation and apical bud primordia production were studied in controlled
environment experiments using tamarack {Larix laricina ...
Height growth and site index of trembling aspen in north central Ontario
(1991)
Height-growth and site-index curves were developed for estimating site
quality of trembling aspen {Populus tremuloides Michx.) in north central Ontario.
These curves were developed from stem analysis data of dominant ...
Beaver central place foraging : literature review, model and field test
(1984)
The spatial distribution of tree cutting activity by
beaver (Castor canadensis Kuhl) and tree availability were
measured at two beaver colonies near Thunder Bay, Ontario.
Beaver maximize the net rate of energy ...