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A Multi-Plot Assessment Of Vegetation Structure Using A Micro-Unmanned Aerial System (Uas) In A Semi-Arid Savanna Environment., Nicholas E Kolarik
A Multi-Plot Assessment Of Vegetation Structure Using A Micro-Unmanned Aerial System (Uas) In A Semi-Arid Savanna Environment., Nicholas E Kolarik
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Unmanned Aerial Systems (UAS) have emerged as a capable platform for measuring vegetation health, structure and productivity. Products derived from UAS imagery typically have much finer spatial resolutions than traditional satellite or aircraft imagery, allowing the spectral and structural heterogeneity of vegetation to be mapped and monitored with more detail. This study uses UAS-captured imagery from the Chobe Enclave of northern Botswana. Flights were conducted across a gradient of savanna sites classified as grass-, shrub-, or tree-dominated. We compare multiple approaches for extracting woody vegetation structure from UAS imagery and assess correlations between in situ field measurements and UAS estimates. …