Results 221 to 230 of about 2,041,388 (260)

Transgenic Black Spruce (Picea mariana)

2000
Black spruce (Picea mariana) is one of about 40 species of the genus Picea A. Dietr. (family Pinaceae) scattered throughout the cooler parts of the north temperate zone and higher elevations in the south (Farrar 1995). Alone or with white spruce and tamarack [Larix laricina (Du Roi) K. Koch], black spruce forms the northern boundary of tree-form growth.
L. Tian, A. Séguin, R. G. Rutledge, P. J. Charest   +3 more
openaire   +1 more source

Diameter distributional trends within mixed black-spruce/balsam-fir and pure black-spruce stand types

Forest Ecology and Management, 1988
Abstract This study describes and compares (i) the diameter distribution of black spruce (Picea mariana (Mill.) B.S.P.) and balsam fir (Abies balsamea (L.) Mill.) within mixed black-spruce/balsam-fir stands, and (ii) the diamter distribution of black spruce within pure stands, at various stages of stand development.
P.F. Newton, V.G. Smith
openaire   +1 more source

Lichen Decomposition in a Black Spruce Bog

The Lichenologist, 1982
AbstractNylon mesh litter bags containing Parmelia caperata, P. flaventior, P. subrudecta, Evernia nesomorpha, Hypogymnia physodes and Umbilicaria muehlenbergii were placed on the floor of a black spruce bog in northern Minnesota to study the rates of decomposition. P. caperata and E. mesomorpha had decomposed after 10 months.
openaire   +1 more source

Urea metabolism in a black spruce humus.

1965
Knowles, R. (Supervisor)
openaire   +1 more source

The Vertical Rooting Habit In Black Spruce, White Spruce, And Balsam Fir.

1969
PhD ; Forestry ; University of Michigan, Horace H. Rackham School of Graduate Studies ; http://deepblue.lib.umich.edu/bitstream/2027.42/188051/2/6918102 ...
openaire   +2 more sources

Cancer Statistics for African American/Black People 2022

Ca-A Cancer Journal for Clinicians, 2022
Rebecca L. Siegel, Robert Winn, Katherine Tossas-Milligan   +2 more
exaly  

Black Spruce

2021
openaire   +1 more source

Control of Dwarfmistletoe in Black Spruce

Journal of Forestry, 1968
D. W. French, M. P. Meyer, R. L. Anderson   +2 more
openaire   +1 more source

Picea mariana (black spruce)

PlantwisePlus Knowledge Bank, 2022
openaire   +1 more source

Establishing white spruce in the Boreal White and Black Spruce Zone

New Forests, 2000
L. Bedford, R.F. Sutton, L. Stordeur, M. Grismer   +3 more
openaire   +1 more source