Thomas A  Spies
Thomas A Spies
Emeritus Scientist, USDA Forest Service, PNW Research Station
Verified email at oregonstate.edu
Title
Cited by
Cited by
Year
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
18662002
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
11901990
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
10071999
Conserving biodiversity in managed forests
AJ Hansen, TA Spies, FJ Swanson, JL Ohmann
BioScience 41 (6), 382-392, 1991
9961991
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
9681995
Coarse woody debris in Douglas‐fir forests of western Oregon and Washington
TA Spies, JF Franklin, TB Thomas
Ecology 69 (6), 1689-1702, 1988
8491988
Plant species diversity in natural and managed forests of the Pacific Northwest
CB Halpern, TA Spies
Ecological Applications 5 (4), 913-934, 1995
8151995
Vegetation responses to edge environments in old‐growth Douglas‐fir forests
J Chen, JF Franklin, TA Spies
Ecological applications 2 (4), 387-396, 1992
8001992
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
7511993
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
4961992
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
4871995
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
4841991
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
4151990
Forest structure: a key to the ecosystem
TA Spies
Northwest science 72, 34-36, 1998
4101998
Dynamics and pattern of a managed coniferous forest landscape in Oregon
TA Spies, WJ Ripple, GA Bradshaw
Ecological Applications 4 (3), 555-568, 1994
4021994
Microsite controls on tree seedling establishment in conifer forest canopy gaps
AN Gray, TA Spies
Ecology 78 (8), 2458-2473, 1997
3791997
Gap size, within-gap position and canopy structure effects on conifer seedling establishment
AN Gray, TA Spies
Journal of ecology, 635-645, 1996
3781996
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
3752002
Ecological forest site classification
BV Barnes, KS Pregitzer, TA Spies, VH Spooner
Journal of Forestry 80 (8), 493-498, 1982
3721982
Gap characteristics and vegetation response in coniferous forests of the Pacific Northwest
TA Spies, JF Franklin
Ecology 70 (3), 543-545, 1989
3641989
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