Stocking Guide Northern Hardwood
12 15 1 15 economics of northern hardwoods kevin evans.
Stocking guide northern hardwood. With small numbers of other northern hardwood. A stand cannot be forced to grow beyond the physical means of the site given its inherent structure. 11 45 12 15 lunch. Guidelines for using upland hardwoods stocking guide and yield tables the oak hickory forest type is the most prevalent of the upland hardwood types.
The oaks are favored for management in the oak hickory type as well as being highly. Measuring and evaluating stocking and stand density in upland hardwood forests in the central states. Safford usda forest service research paper ne 535 1983 a silvicultural guide for northern hardwoods in the northeast w. The c line defines the minimum amount of acceptable growing stock for a manageable stand.
The b line is recom mended minimum stocking for adequate growth response per acre. Gingrich stocking diagram bottomland hardwoods excel 2010 spreadsheet gingrich stocking diagram northern red oak excel 2010 spreadsheet references. For example the biological growth capacity inherent in the stand is one such constraint. Figure 1 stocking chart for northern hardwoods is based on trees in the main crown canopy.
Optimal uneven aged stocking guide development is an area of research that is critical to the optimal management of uneven aged forest stands and can be used in adaptive management. The oaks are most abundant in this type usually occupying dominant and co dominant positions within the stand. 7 0 2 simplified example of a stocking guide 7 5 19 9 1 1 decision pathways for prescribing silvicultural treatments in tolerant hardwood stands 9 1 7 9 6 1 a decision model to assess maintenance requirements of developing hardwood stands 9 6 1 10 1 1 ordination of central ontario ecosites based on principal components analysis of wildlife. References silvicultural guide for paper birch in the northeast revised l o.
10 45 11 45 northern hardwood pests and some management ideas kyle lombard. The a line is average maximum stocking. Likewise if stands are more than 50 percent hemlock oak or spruce fir other guides are more. Our research past research in this area has extended classic optimization models for uneven aged stands into the stochastic realm and incorporated methods for.
An optimal stocking guide is one that maximizes or minimizes some quantity under certain constraints. 9 00 10 30 silvics and stand dynamics of northern hardwoods tony d amato. To see how favoring one species will affect stocking and growth rates. 10 30 10 45 break.
Northern hardwood growth rate calculations cords acre year 0 25 0 50 0 25 0 50 0 25 0 50 average cords acre 15 15 20 20 25 25 growth rate 1 67 3 33 1 25 2 50 1 00 2 00 low stocking level high stocking level medium stocking level 15 cords per acre is on the lower end of the stocking range for investment grade forests in the northeast.