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Updated: May 6, 2026

Collecting and Processing Drone-based Remotely Sensed Data for Use in Forest Recovery Monitoring
Published on: October 24, 2025
Monitoring new forestry
1Olympic Natural Resources Center, College of Forest Resources, AR-10, University of Washington, 98195, Seattle, Washington, USA.
Abstract:
Techniques to monitor growth and mortality of live trees, and longevity of snags were developed and tested on 8 units in the Oregon and Washington Cascades where new forestry (structural retention) cuttings were utilized. Time and costs were quantified. The total area of three aggregated units and five dispersed units was 27.8 ha, with 2407 trees and snags measured on 25.1 ha of sample area. Cost of field work was approximately $4590 (4 person crew at 6 weeks) while costs of data entry, analysis and report writing were approximately $2000 (250 person hours). Monitoring is an important component of adaptive management and is essential if we are to understand the ramifications of new silvicultural systems.
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