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. 2018 Dec 4;8(24):12322–12334. doi: 10.1002/ece3.4495

Figure 2.

Figure 2

Example imagery captured by the unmanned aerial vehicle flown at 15 m altitude with zoomed areas showing the spatial resolution achieved and Larus fuscus identification on (a) open grassland, (b) rough grass/bracken, Pteridium spp. scrub, and (c) bluebells, Hyacinthoides nonscripta