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Title: Restoration of aspen-dominated ecosystems in the Lake States

Author: Stone, Douglas M.; Elioff, John D.; Potter, Donald V.; Peterson, Donald B.; Wagner, Robert;

Date: 2001

Source: In: Shepperd, Wayne D.; Binkley, Dan; Bartos, Dale L.; Stohlgren, Thomas J.; Eskew, Lane G., comps. Sustaining aspen in western landscapes: Symposium proceedings; 13-15 June 2000; Grand Junction, CO. Proceedings RMRS-P-18. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 137-146.

Publication Series: Proceedings (P)

   Note: This article is part of a larger document. View the larger document

Description: A reserve tree method (RTM) of harvesting was installed in six 70- to 75-yearold aspen-dominated stands to determine if retaining 10 to 15 dominant aspen per acre would decrease sucker density to facilitate restoration of a conifer component. A reserve shelterwood cut was applied to three additional stands to evaluate performance of white pine planted under 50% crown cover. After the first full growing season following harvest, 96% of the RTM harvested areas were stocked; sucker density averaged 27,000 (27 k) per acre versus 38.2 k per acre on a clearcut control, 41% greater. Basal diameter of dominant suckers averaged 0.45 inch, 28% greater than the control, and mean height was 60 inches, 33% greater. The control site had 3.1 k stems per acre of associated commercial species versus 5.8 k on the RTM sites, an 87% difference. Four of the nine stands have been planted; first-year survival ranged from 75% to near 100%. The RTM shows promise for reducing sucker density, increasing their early growth, maintaining species diversity, and providing abundant regeneration of commercial species on a high proportion of the areas harvested. Early results indicate that both the RTM and shelterwood methods can facilitate restoring a component of native conifer species in these ecosystems.

Keywords: ecosystem management, ecosystem research, sustainable forests, quaking aspen, Populus tremuloides

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Citation:


Stone, Douglas M.; Elioff, John D.; Potter, Donald V.; Peterson, Donald B.; Wagner, Robert. 2001. Restoration of aspen-dominated ecosystems in the Lake States. In: Shepperd, Wayne D.; Binkley, Dan; Bartos, Dale L.; Stohlgren, Thomas J.; Eskew, Lane G., comps. Sustaining aspen in western landscapes: Symposium proceedings; 13-15 June 2000; Grand Junction, CO. Proceedings RMRS-P-18. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 137-146.

 


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