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Multi-scale estimation of species diversity in an urban forest wetland with fractional-order derivative of UAV hyperspectral imagery
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DOI：10.1016/j.srs.2026.100467.png)
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Abstract
En 中文
• UAV hyperspectral imagery enabled estimation of four species diversity indices. • Fractional-order derivative enhanced the spectral sensitivity to species diversity. • Model performance improved with coarser spatial resolution, peaking at the 2.0 m. • Synergistic effects of fractional order and resolution reveal a scale-adaptive mechanism.
Keywords:
Heritiera littoralis
Species diversity
UAV hyperspectral imaging
Fractional-order derivative
Scale effect
Urban forest wetland
Journal
IF:
5.2
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457
Citations:
980
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