Thomas A  Spies
Thomas A Spies
Emeritus Scientist, USDA Forest Service, PNW Research Station
Adresse e-mail validée de oregonstate.edu
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Disturbances and structural development of natural forest ecosystems with silvicultural implications, using Douglas-fir forests as an example
JF Franklin, TA Spies, R Van Pelt, AB Carey, DA Thornburgh, DR Berg, ...
Forest ecology and management 155 (1-3), 399-423, 2002
17352002
Light regimes beneath closed canopies and tree-fall gaps in temperate and tropical forests
CD Canham, JS Denslow, WJ Platt, JR Runkle, TA Spies, PS White
Canadian journal of forest research 20 (5), 620-631, 1990
11191990
Lidar remote sensing of the canopy structure and biophysical properties of Douglas-fir western hemlock forests
MA Lefsky, WB Cohen, SA Acker, GG Parker, TA Spies, D Harding
Remote sensing of environment 70 (3), 339-361, 1999
9701999
Conserving biodiversity in managed forests
AJ Hansen, TA Spies, FJ Swanson, JL Ohmann
BioScience 41 (6), 382-392, 1991
9651991
Growing‐season microclimatic gradients from clearcut edges into old‐growth Douglas‐fir forests
J Chen, JF Franklin, TA Spies
Ecological applications 5 (1), 74-86, 1995
9091995
Coarse woody debris in Douglas‐fir forests of western Oregon and Washington
TA Spies, JF Franklin, TB Thomas
Ecology 69 (6), 1689-1702, 1988
8081988
Plant species diversity in natural and managed forests of the Pacific Northwest
CB Halpern, TA Spies
Ecological Applications 5 (4), 913-934, 1995
7741995
Vegetation responses to edge environments in old‐growth Douglas‐fir forests
J Chen, JF Franklin, TA Spies
Ecological applications 2 (4), 387-396, 1992
7561992
Contrasting microclimates among clearcut, edge, and interior of old-growth Douglas-fir forest
J Chen, JF Franklin, TA Spies
Agricultural and forest meteorology 63 (3-4), 219-237, 1993
6991993
Estimating structural attributes of Douglas-fir/western hemlock forest stands from Landsat and SPOT imagery
WB Cohen, TA Spies
Remote Sensing of Environment 41 (1), 1-17, 1992
5761992
Estimating the age and structure of forests in a multi-ownership landscape of western Oregon, USA
WB Cohen, TA Spies, M Fiorella
International Journal of Remote Sensing 16 (4), 721-746, 1995
4711995
The structure of natural young, mature, and old-growth Douglas-fir forests in Oregon and Washington
TA Spies, JF Franklin
Wildlife and vegetation of unmanaged Douglas-fir forests, 91-109, 1991
4641991
Semivariograms of digital imagery for analysis of conifer canopy structure
WB Cohen, TA Spies, GA Bradshaw
Remote Sensing of Environment 34 (3), 167-178, 1990
3901990
Forest structure: a key to the ecosystem
TA Spies
Northwest science 72, 34-36, 1998
3811998
Dynamics and pattern of a managed coniferous forest landscape in Oregon
TA Spies, WJ Ripple, GA Bradshaw
Ecological Applications 4 (3), 555-568, 1994
3761994
Gap size, within-gap position and canopy structure effects on conifer seedling establishment
AN Gray, TA Spies
Journal of ecology, 635-645, 1996
3491996
Microclimatic and soil moisture responses to gap formation in coastal Douglas-fir forests
AN Gray, TA Spies, MJ Easter
Canadian Journal of Forest Research 32 (2), 332-343, 2002
3462002
Microsite controls on tree seedling establishment in conifer forest canopy gaps
AN Gray, TA Spies
Ecology 78 (8), 2458-2473, 1997
3391997
Ecological forest site classification
BV Barnes, KS Pregitzer, TA Spies, VH Spooner
Journal of Forestry 80 (8), 493-498, 1982
3391982
Gap characteristics and vegetation response in coniferous forests of the Pacific Northwest
TA Spies, JF Franklin
Ecology 70 (3), 543-545, 1989
3361989
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