Research Interests & Activity
Mechanisms controlling forest growth and yield; quantitative
silviculture; crown structure and dynamics; natural forest regeneration.
Current and Recent Programs:
Mechanisms of response to fertilization in Douglas-fir plantations;
foliage age class dynamics in Douglas-fir; silvicultural control
of crown development and wood quality; Swiss needle cast growth
impact; stand dynamics after variable-retention silvicultural
treatments; growth and yield of mixed conifer forests of eastern
Oregon; natural regeneration in ponderosa pine forests.
Selected Publications:
Weiskittel, A.R., D.A. Maguire, and R.A. Monserud. 2007. Response
of branch growth and mortality to silvicultural treatments in
coastal Douglas-fir plantations: Implications for predicting
tree growth. Forest Ecology and Management 251:182-194.
Keyes, C.R. and D.A. Maguire. 2007. Seed rain of ponderosa
pine beneath partial overstories. New Forests 34:107-114.
Weiskittel, A.R., D.A. Maguire, and R.A. Monserud. 2007.
Modeling crown structural responses to competing vegetation
control,
thinning, fertilization, and Swiss needle cast in coastal
Douglas-fir of
the Pacific Northwest, USA. Forest Ecology and Management
245:96-109.
Maguire, D.A., C.B. Halpern, and D.L. Phillips. 2007.
Changes in forest structure following variable-retention
harvests
in Douglas-fir dominated forests. Forest Ecology and
Management 242:708-726.
Weiskittel, A.R. and D.A. Maguire. 2007. Response of
Douglas-fir leaf area index and litterfall dynamics
to Swiss needle
cast in north coastal Oregon, USA. Annals of Forest
Science 64:121-132.
Moores, A., K. Puettmann, and D.A. Maguire. 2007. The
focus of intensive silvicultural research on coastal
Douglas-fir
over
the last 20 years. Western Journal of Applied Forestry
22:21-28.
Weiskittel, A.R., and D.A. Maguire. 2006. Branch
surface area and its vertical distribution in coastal
Douglas-fir.
Trees
20:657-667.
Maguire, D.A., D. Mainwaring, and C.B. Halpern.
2006. Stand dynamics after variable retention
harvesting in mature
Douglas-fir forests
of western North America. Allgemeine Forst und_Jagdzeitung
177:120-131.
Weiskittel, A.R., D.A. Maguire, S.M. Garber,
and A. Kanaskie. 2006. Influence of Swiss needle
cast
on foliage
age class
structure and vertical foliage distribution
in Douglas-fir plantations
of north coastal Oregon. Canadian Journal of
Forest Research 36:1497-1508.
Mainwaring, D.B., D.A. Maguire, A. Kanaskie,
and J. Brandt. 2005. Growth responses to
commercial thinning in Douglas-fir
stands
with varying severity of Swiss needle cast
in Oregon,
USA. Canadian Journal of Forest Research
35:2394-2402.
Perakis, S.S., D.A. Maguire, T.D. Bullen,
K. Cromack, R.H. Waring, and J.R. Boyle.
2006.
Coupled nitrogen
and calcium
cycles in
forest of the Oregon Coast Range. Ecosystems
9:63-74.
Valkonen, S. and D.A. Maguire. 2005. Relationship
between seedbed properties and the emergence
of spruce germinants
in recently
cut Norway spruce selection stands in
southern Finland. Forest Ecology and Management
210:255-266.
Garber, S.M. and D.A. Maguire. 2005.
Vertical trends in maximum branch diameter
in two
mixed-species spacing trials
in the
central Oregon Cascades. Canadian Journal
of Forest
Research 35:295-307.
Moore, J.R. and D.A. Maguire. 2005.
Natural sway frequencies and damping
ratios of
trees: concepts,
review, and
synthesis of previous studies. Trees
19:363-373.
Mainwaring, D.B. and D.A. Maguire.
2004. The effect of local stand
structure on
growth and
growth efficiency
in heterogeneous
stands of ponderosa pine and lodgepole
pine in central Oregon. Canadian
Journal of Forest
Research
34:2217-2229.
Garber, S.M. and D.A. Maguire.
2004. Stand productivity and
development in two mixed-species
spacing
trials in the central
Oregon Cascades.
Forest Science 50:92-105.
Garber, S.M. and D.A. Maguire.
2003. Modeling stem taper of
three central
Oregon species
using nonlinear
mixed
effects models and
autoregressive error structures.
For. Ecol. Manage. 179:507-522
Moore, J.R., D.A. Maguire,
D.L. Phillips, and C.B. Halpern.
2002.
Effects of
varying levels
and patterns
of green-tree
retention
on amount of harvesting damage.
Western Journal of Applied
Forestry 17:202-206.
Maguire, D.A. and A. Kanaskie.
2002. The ratio of live
crown length to
sapwood area
as a measure
of
crown
sparseness. Forest Science
48:93-100.
Maguire, D.A., A. Kanaskie,
W. Voelker, R. Johnson,
and G. Johnson.
2002.
Growth of
young Douglas-fir
plantations across
a gradient
in Swiss needle cast
severity. West. J. Appl. For. 17:86-95.
Bravo, F., D.W. Hann,
and D.A. Maguire. 2001.
Impact
of competitor
species
composition on predicting
diameter growth
and survival
rates of Douglas-fir
trees in southwestern
Oregon.
Can. J.
For. Res. 31:2237-2247.
Kershaw, J.A. and D.
A. Maguire. 2000.
Influence of vertical
foliage structure
on the distribution
of stem
cross-sectional
area increment in
western hemlock and balsam
fir. Forest Science
46:86-94.
Maguire, D.A., S.R.
Johnston, and J.
Cahill. 1999.
Predicting branch
diameters
on second-growth
Douglas-fir
from tree-level
descriptors. Can.
J. For. Res. 29:1829-1840.
Maguire, D.A.,
J. Brissette,
and L.
Gu. 1998. Canopy
structure and
growth
efficiency
of
red spruce in
uneven-aged,
mixed-species stands in Maine.
Can. J. For.
Res. 28:1233-1240.
|
