Comparison of pre-harvest and post-harvest productivity
In 2002 and 2003, FGYA compared site index (a measure of site productivity) in mature fire-origin stands with that in stands regenerated following harvest. Comparisons involved contemporaneous sampling of paired-plots in regenerated and parent stands, in combination with analysis of time-series data from permanent sample plots measured before and after harvesting.
Results were presented at the CIF/SAF Joint Convention in October 2004. Further work will focus on explaining the observed differences and examining the implications for growth and yield, plus participation in a broader dialogue on post-harvest stand development issues.
Map of FMF area showing lodgepole pine regeneration trial plot clusters and comparison of pre- and post- harvest productivity paired plot samples.
Technical report on range, importance, characteristics of lodgepole pine, past research, opportunities, threats and uncertainties of fibre production.
Presentation on lodgepole pine range, importance, characteristics, growth and yield research, as well as productivity, trends in post-harvest stands.
Technical report looking at differences in post-harvest versus fire-origin stands, and possible effects of initial densities and climate change.
Brief discussion of results of studies comparing post-harvest to fire-origin stand development, and a list of priorities for further investigation.
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Dick Dempster
Research & Development Associate
Sharon Meredith
N/A