Using excess greenness and green chromatic coordinate colour indices from aerial images to assess lodgepole pine vigour, mortality and disease occurrence

Anya M. Reid,William K. Chapman,Cindy E. Prescott,Wiebe Nijland

Forest Ecology and Management（2016）

引用 30|浏览6

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摘要

•Colour indices related to ground measures of forest health, except stem rust.•Canopy closure influenced the strength of these relationships.•Colour indices can be calculated at spatial scales of trees or plots.•Colour indices could help prioritize areas for ground assessments of stand health.

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关键词

Colour indices,Excess greenness,Disease occurrence,Green chromatic coordinate,Mortality,Stand health

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