Detection of the stem-boring damage by pine shoot beetle (<i>Tomicus</i> spp.) to Yunan pine (<i>Pinus yunnanensis</i> Franch.) using UAV hyperspectral data.

Our observations showed a trend of reduced canopy spectra near 800 nm and reduced reflectance around 900 nm, consistent with findings that the 900–970 nm range is sensitive to plant water content ( Penuelas et al., 1997 ).

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