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Forest Ecosystems
Fig. 6 | Forest Ecosystems

Fig. 6

From: Delineation of homogeneous forest patches using combination of field measurements and LiDAR point clouds as a reliable reference for evaluation of low resolution global satellite data

Fig. 6

Presents 3D spatial structure of ALS point clouds extracted at specific locations within the exemplary stand (60–80 year old mixed stand in Fig. 5). Part a (on top) shows mentioned structure, extracted at location of the sample plot (blue circle in Fig. 5). Part b represents relevant point cloud structure, extracted at location of one grid found within boundaries of HPs delineated based on p95 SV in variant III. This spot is an example of a good agreement between point cloud structure shown on the sample plot (part a) and adequate structure shown in selected spot within such HP. Part c is an example of a disagreement according to above. Part d shows selected spot (grid) of HPs being an intersection of both SVs analyzed in this study. Next to each 3D image, a relevant histogram is provided to present vertical distribution of the point cloud

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