T.A. Spies

Light regimes beneath closed canopies and tree-fall gaps in temperate and tropical forests

Charles D. Canham, Julie S. Denslow, William Platt et al. · Canadian Journal of Forest Research · 1990 · 967 citations

Life Sciences, Ecology, Forest Ecology +14

Using hemispherical photography for estimating photosynthetic photon flux density under canopies and in gaps in Douglas-fir forests of the Pacific Northwest

Mark Easter, T.A. Spies · Canadian Journal of Forest Research · 1994 · 90 citations

Life Sciences, Ecology, Plant Biology +12

Ecological definitions of Old-Growth Douglas-fir forests

Jerry F. Franklin, T.A. Spies · 1991 · 77 citations

Natural Resources, Ecology, Forestry +14

Lidar remote sensing of forest canopy structure and related biophysical parameters at H.J. Andrews Experimental Forest, Oregon, USA

M. A. Lefsky, Warren B. Cohen, Steven A. Acker et al. · 1998 · 27 citations

Natural Resources, Ecology, Forestry +17

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, R. Bruce Bury, T.A. Spies · General Technical Report RM - Rocky Mountain Forest and Range Experiment Station, U.S. Department of Agriculture, Forest Service. · 1988 · 18 citations

Natural Resources, Ecology, Forestry +10