Thomas A Spies
机构: Emeritus Scientist, USDA Forest Service, PNW Research Station
每年引用次数
引用次数
引用: 31,564
H-指数: 83
I10-指数 : 188
出版物: 333
Spatial Patterns of Canopy Mortality in Riparian Areas and Uplands Following a Large Wildfire in Oregon
G. R. Reeves , K. Christiansen , J. T. Thompson , K. A. Olsen
2009
Canopy gaps in forest ecosystems. A symposium held in Columbus, Ohio, August 1987.
J. S. Denslow , T. Spies
Canadian Journal of Forest Research 20 ( 5) 617 -667
1
1990
Canopy gaps in forest ecosystems, Columbus, OH august 1987
T. Spies , J. S. Denslow
Canadian Journal of Forest Research 20 ( 5)
1
1990
Managing forested landscapes for socio-ecological resilience.
J. Campos , N. A. Rose , B. J. McAfee , C. Messier
IUFRO World Series 25 401 -439
3
2010
Using LiDAR and GIS to extrapolate data from a small watershed to watershed-scale to provide insight into patterns and relationships in an Oregon central-western Cascade forest
B. J. Bond , D. J. Quandt , C. Halpern , K. V. Olson
AGU Fall Meeting Abstracts 2010
2010
LiDAR, Tree Cores, and Snow: Modeling fine-scale tree invasion into a subalpine meadow landscape under future snow scenarios, Oregon Cascades, USA
H. Zald , T. Spies
AGU Fall Meeting Abstracts 2009
2009
Catalyzing Transformations to Sustainability in the World's Mountains
J. A. Klein , C. M. Tucker , A. W. Nolin , K. A. Hopping
Earth’s Future 7 ( 5) 547 -557
22
2019
Douglas-fir forests in the Cascade Mountains of Oregon and Washington: is the abundance of small mammals related to stand age and moisture?
P.S. Coen , T.A. Spies , R.B. Bury
340 -352
19
1988
Modeling the population dynamics of pacific yew. Forest Service research note
R.T. Busing , T.A. Spies
2
1995
Plant species diversity and occurrence in young, mature, and old-growth Douglas-fir stands in western Oregon and Washington
T.A. Spies
USDA Forest Service general technical report PNW-GTR - Pacific Northwest Research Station (USA)
67
1991
Ecological definitions of Old-Growth Douglas-fir forests
J.F. Franklin , T.A. Spies
USDA Forest Service general technical report PNW-GTR - Pacific Northwest Research Station (USA)
68
1991
Conserving forest biodiversity across multiple land ownerships: Lessons from the Northwest Forest Plan and the Southeast Queensland regional forests agreement (Australia)
C.A. McAlpine , T.A. Spies , P. Norman , A. Peterson
Biological Conservation 134 ( 4) 580 -592
29
2007
Lidar Remote Sensing of the Canopy Structure and Biophysical Properties of Douglas-Fir Western Hemlock Forests
M.A. Lefsky , W.B. Cohen , S.A. Acker , G.G. Parker
Remote Sensing of Environment 70 ( 3) 339 -361
1,074
1999
Using hemispherical photography for estimating photosynthetic photon flux density under canopies and in gaps in Douglas-fir forests of the Pacific Northwest
M.J. Easter , T.A. Spies
Canadian Journal of Forest Research 24 ( 10) 2050 -2058
82
1994
A cross-continental comparison of plant and beetle responses to retention of forest patches during timber harvest.
S.C. Baker , C.B. Halpern , T.J. Wardlaw , C. Kern
Ecological Applications 26 ( 8) 2495 -2506
27
2016
The diversity and maintenance of old-growth forests.
Jerry F. Franklin , Thomas A. Spies
Biodiversity in managed landscapes: theory and practice. 296 -314
64
1996
Asymptotic height-diameter equations for twenty-four tree species in western Oregon
Steven A. Acker , Steven L. Garman , Thomas A. Spies , Janet L. Ohmann
Corvallis, Or. : College of Forestry, Forest Research Laboratory, Oregon State University
42
1995
Managing for old-growth forests: a moving target
Robert J. Pabst , Thomas A. Spies
In: Anderson, P.D.; Ronnenberg, K.L., eds. Density management in the 21st century: west side story. Gen. Tech. Rep. PNW-GTR-880. Portland, OR: US Department of Agriculture, Forest Service, Pacific Northwest Research Station: 108-109. 880 108 -109
2013
Spatial patterns of tree mortality in an old-growth Abies-Pseudotsuga stand
Mark E. Harmon , W. Arthur McKee , Steven A. Acker , Thomas A. Spies
Northwest Science 70 ( 2) 132 -138
8
1996
Ecological Forest Site Classification
Kurt S. Pregitzer , Vera H. Spooner , Thomas A. Spies , Burton V. Barnes
Journal of Forestry 80 ( 8) 493 -498
399
1982