Abstract:<p>The north-East of Europe is affected by the ash (Fraxinus excelsior) dieback caused by the fungal pathogen Hymenoscyphus pseudoalbidus. A great variety of studies utilize remote sensing data and subsequently derived spectral indices to estimate the magnitude and spatial distribution of the damage for different tree types.&#160;</p><p>Often, structural indices, such as the NDVI are applied to detect already affected tree (sometimes even for early detection). … Show more
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