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Catalog of Long Term Research Conducted by the Northeastern Research Station

Catalog #18

Clear-cut Studies
To monitor regeneration of birch trees growing on clear-cut areas. The data collected provides an excellent demonstration of the financial and silvicutural capabilities of the management programs.
1968
expected to continue
Original stand was northern hardwood forest between 90 and 200 years-old (old growth). Composition dominated by yellow birch and beech with >10% paper birch and even less of sugar maple, red maple, white ash, and hemlock.
Compartment 18 and 20 = 1 area of 7.1 acres 
These 2 areas were the site for 3 blocks with 4 0.44-acre plots.
80%
100% cruise to determine merchantable volume: 1967.

Merchantable wood was logged in compartments 18 & 20 (7.1 acres). Scarification occurred in 5.28 acres of this area (95% of ground surface was scarified). The study area was surveyed to establish boundaries for treatments. Applied 4 treatments: 1) control (no treatment), 2) seed only, 3) light fertilization, 4) heavy fertilization. Fertilizer = NPK15-10-10 and limestone was dolomitic. Seeding was applied using a cyclone seeder with a mix of seed and sawdust: 1968. Herbicide was applied: 1969. 
All remaining live trees 1" tall were injected with herbicide: 1989.

Inventory of paper birch, yellow birch, other commercial species, pin cherry included height (feet) and (cm), stocking levels (% birch), and basal area (feet squared per acre): 1970, 1972, 1974, 1980.
DG; some summarized but unanalyzed.
Studies of Ecosystem Processes 
Model Development and Application
unknown
none to date.
William Leak, USDA Forest Service, P.O. Box 640, Durham NH 03824. (603) 868-7655
none 

 

  

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