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Full-Text Articles in Life Sciences

Tb149: Wood Property-Age Relationships Of Natural And Plantation-Grown Red Pine, Robert K. Shepard, James E. Shottafer May 1992

Tb149: Wood Property-Age Relationships Of Natural And Plantation-Grown Red Pine, Robert K. Shepard, James E. Shottafer

Technical Bulletins

This study examined changes in specific gravity, modulus of rupture, and modulus of elasticity with age for a natural stand and two plantations. It also examined differences in wood properties between the three stands and the effects of important variables on, and their interactions with, wood properties. Wood property data were obtained from microbending specimens selected at breast height from five trees in each stand.


Mp716: New Forestry In Eastern Spruce-Fir Forests: Principles And Applications To Maine, Robert S. Seymour, Malcolm L. Hunter Jr. Apr 1992

Mp716: New Forestry In Eastern Spruce-Fir Forests: Principles And Applications To Maine, Robert S. Seymour, Malcolm L. Hunter Jr.

Miscellaneous Publications

Eastern North America's spruce-fir forests have a unique ecological and human history which is reflected in their current vegetation, ownership patterns, and forest management practices. Furthermore, there are important differences within the region between the true boreal forest and the sub-boreal Acadian forest; this paper emphasizes the Acadian forest. Applying New Forestry to this region will require a modified approach which we outline by describing three basic principles. First, to provide the landscape context for New Forestry, we propose a triad of forest land allocation in which reserves and plantations would co-exist, surrounded by and embedded within a landscape managed …