Forest list archive: msg00072

[Prev][Next][Index][Thread]

Re: Tree spacing



>>Dear J.E.,
>
>I would suggest you to document yourself on stand density management
>diagrams (SDMD), a tool developed by Drew and Flewelling (1979,
>For.Sci.518-532). These diagrams are based on the -3/2 self-thinning law,
>which states that there is a linear relationship between the maximum
>density that can be reached by a stand and the mean tree volume, when both
>variables are plotted on a logarithmic axis. SDMDs also relate mean stem
>volume and stand density to dominant height and mean quadratic diameter.
>By coupling a SDMS with site index curves, it is possible to simulate the
>evolution of a stand in time, and therefore "see" the impact of spacing or
>competition on the stands characteristics. If you are interested in SDMD,
>I also suggest you the reading of Peter Newton's article on black spruce
>DMD (For.Chron.69:412-430); he also has a WWW site
>(http:www.nefc.cfs.nrcan.gc.ca/pnewton/stand_density/sdmd1.html) that is
>quite nice...
>
>I you need more info, please write me back: I'll be pleased to help you!
>
>Best regards,
>
>

Jean-Martin Lussier, ing.f., Ph.D.

Unité de recherche et de développement forestiers
de l'Abitibi-Témiscamingue
Université du Québec en Abitibi-Témiscamingue
445 boul. de l'Université,
Rouyn-Noranda, Québec, Canada
J9X 5E4

Tél: (819) 762-0971 poste 2536
Fax: (819) 797-4727




[Metla] [Main Index] [Thread Index]

Mail converted by MHonArc 1.1.0