We present the results of a study to examine the role of management actions and natural disturbances on the evolution of habitat patterns in forested ecosystems. Management strategies to maintain mature and old-growth forest in old-growth management areas need to consider the role that natural disturbances such as wildfire play in compromising plans to maintain such special habitat features. Old growth in the study area landscape unit continued to increase in lodgepole-pine-dominated forests for 50 years regardless of the management system implemented, because of the current large amount of mature forest. Douglas-fir forest types take longer to reach old-growth status, and will not reach target levels for at least 100 years, again regardless of the management system used. Even under modest assumptions of natural disturbances that used only wildfire at 25% of recent historic levels, up to 50% more area may need to be set aside as old-growth management areas to achieve and maintain long-term target levels of...
Klenner, Walt, Walton, Russ; Kurz, Werner. 1999. Habitats for Tomorrow: Understanding the Consequences of Today's Decisions and Natural Disturbances on Future Habitat Condition (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks. Proceedings - Conference Biology & Management. Vol. 1
Topic: Species and Ecosystems at Risk
Keywords: fragmentation, landscape ecology, landscape planning, old growth, simulation model
Other Identifier: University College of the Cariboo
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