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A cross-European assessment on the pre-emergence detection of trees attacked by spruce bark beetle using UAV imagery
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DOI：10.1016/j.rse.2026.115445.png)
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Abstract
En 中文
• Data assembled from 6 time-series UAV campaigns on outbreak areas across Europe. • Early detectability varies within stands but is broadly comparable across countries. • Using hyperspectral sensors improves detection by providing green-shoulder bands. • Red-edge band position is critical when selecting multispectral sensors. • Early-stage tree decline rate is the key control of detectability.
Keywords:
European spruce bark beetle
Early detection
Remote sensing
Hyperspectral imagery
Drone imagery
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