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Simulating Spatial and Temporal Context of Forest Management Using Hypothetical Landscapes
1USDA Forest Service, North Central Forest Experiment Station, Forestry Sciences Laboratory, 5985 Highway K, Rhinelander, Wisconsin 54501-9128, USA
Environmental Management
|December 16, 1998
Summary
Timber harvest intensity and opening size significantly impact forest interior and edge habitat. Past management practices, like stand age distribution, can constrain future timber production options, especially with certain harvesting methods.
Area of Science:
- Forestry and Landscape Ecology
- Geographic Information Systems (GIS) and Remote Sensing
Background:
- Spatially explicit models integrating remote sensing and GIS are valuable for land managers.
- Timber harvesting significantly impacts forest ecosystem composition, structure, and function.
Purpose of the Study:
- To assess the impact of timber harvest variables on forest interior and edge.
- To evaluate how historical forest management constrains future timber production.
Main Methods:
- Utilized the HARVEST timber harvest allocation model for simulations.
- Simulated various harvest intensities, opening sizes, and extraction methods on hypothetical landscapes.
- Incorporated different initial stand age distributions to represent past management.
Main Results:
- Harvest intensity and opening size were primary drivers of forest interior and edge area.
- The size of timber harvests most influenced the largest interior forest block.
- Past stand age distributions constrained future timber production, particularly with group selection and high recent harvest levels.
Conclusions:
- Forest management decisions regarding harvest intensity and opening size are critical for landscape pattern.
- Historical management practices create constraints that must be considered in future planning.
- Simulation modeling provides insights into balancing timber production with habitat considerations.