trees: von Guttenberg Norway spruce tree measurement data
Description
These are a subset of the von Guttenberg data, a set of measurements on
Norway spruce (Picea abies [L.] Karst) in several different
locations and site categories.source
These data were kindly provided by Professor Boris Zeide, University of
Arkanasa, Monticello, AK, USA, and are further documented in Zeide (1993).References
A.R. von Guttenberg. 1915. Growth and yield of spruce in Hochgebirge.
Franz Deuticke, Wien. (In German) B. Zeide, 1993. Analysis of growth equations. Forest Science
39 594--616.