RusFor has made a study on remote sensing technique for mean volume estimation obtained using a small-sized unmanned aerial vehicle (sUAV) and a high-resolution photogrammetric digital surface model (DSM). An innovative technology for field measurements (Trestima) was also applied in the research.

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We came to a conclusion that the UAV and Trestima are reliable and potentially cost-effective means of forest data acquisition with good prospects for operational forest inventory.