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Applied vegetation science : official organ of the International Association for Vegetation Science, v.15 no.3, 2012년, pp.383 - 389
Ishihama, Fumiko , Watabe, Yasuyuki , Oguma, Hiroyuki , Moody, Aaron
AbstractQuestionIs a high‐resolution remote‐sensing system based on a radio‐controlled helicopter (the ‘Falcon‐PARS system’) an effective tool to obtain images that can be used to identify herbaceous species?LocationWatarase wetland, Japan.MethodsWe applied the remote‐sensing system to a wetland composed mainly of Phragmites australis and Miscanthus sacchariflorus. The aerial observation was performed in a 100？×？200？m area at a flying height of 30？m. From the obtained images, we tried to identify P.？australis and M.？sacchariflorus through visual interpretation.ResultsWe obtained images with a high spatial resolution (1？cm) and a positioning accuracy of finer than 1？m using this small and lightweight system, and confirmed that we could identify the above two species from the obtained images.ConclusionSuch a high‐resolution system can be used to directly identify herbaceous species, and as a non‐destructive alternative to ground surveys. This lightweight system can be carried to sites such as a high‐altitude bog that cannot be reached by a motor vehicle. Because of the low flying height (below cloud level), aerial observation is possible even on cloudy days, thereby permitting observations in all seasons.
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