A Bonferroni Z-test on the combined data indicated that juneberry, red maple, mountain maple,
paper birch, red-osier dogwood, and quaking aspen were eaten more than available in summer.
I begin to research this missing piece by investigating the functions of
paper birch's bark features, which I have been wondering about for some time.
The brown-reddish discoloration found in
paper birch wood is considered traumatic heartwood in the literature (Campbell and Davidson 1941; Shigo 1967, 1986; Siegle 1967; Shigo and Larson 1969; Shigo and Hillis 1973; Basham 1991; Allen 1996; Hallaksela and Niemisto 1998; Boulet 2005).
Besides, who has the time or the staff to pick leaves off of confused
paper birches?
For an alternative to the
paper birch, the cultivar B pendula Youngii is dome-shaped and weeping.
More recently, scientists at NaturNorth Technologies of Duluth, Minnesota, have been investigating the medicinal properties of betulin, a powdery substance that occurs in the bark of the white
paper birch tree (Betula papyrifera).
Add These: Black cherry White oak Chestnut oak London plane Grey birch
Paper birch Red horse chestnut Yellow wood White ash Box elder Stag horn sumac Serbian spruce Slippery elm Hawthorn Japanese maple Hickory Honey locust Hackberry
In 2001-02, we conducted a field study in Wooster, OH to determine the effects of 3 treatments: 1) fertilization; 2) mulching with composted yard waste; and 3) composted hardwood bark blended with composted manure on tree growth, defense chemistry (total phenolics), and insect resistance of Betula papyrifera (
paper birch) planted in either topsoil or subsoil.
Paper birch is a secondary species that occupies areas that have been deforested by fires, storms or loggers.
Paper Birch (Betula papyrifera) - Easily recognized by its characteristic white and papery bark,
paper birch is a slender, graceful tree found in higher elevations.
Jian Wang, was recently awarded nearly $100,000 in research grant money to undertake a study examining the growth and economic potential of
paper birch, Angus says.
A PCA (principal-components analysis) ordination of all quadrats shows a gradual change with time since fire from stands dominated by hardwoods (aspen and
paper birch), to mixed stands with an important white spruce component, to coniferous stands dominated by balsam fir and white cedar.
The first includes detailed qualitative and quantitative habitat descriptions for the 12 Susitna study plots, which range from white spruce (Picea glauca) forest and
paper birch (Betula papyrifera) forest to alpine tundra.
In general, 45 individuals of each of the dominant species (pin cherry, beech, sugar maple, striped maple [Acer pensylvanicum L.],
paper birch [Betula papyrifera Marsh.], and yellow birch) in each plot were chosen randomly after stratifying each population into three size classes.
Check out the curls on the
paper birch. And doesn't Pacific madrone look as if it has a bad sunburn?
