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. 2018 Aug 29;6:e5518. doi: 10.7717/peerj.5518

Figure 2. Examples of distance maps to some location in space (yellow dot) based on different derivation algorithms: (A) simple Euclidean distances, (B) complex speed-based distances based on the gdistance package and Digital Elevation Model (DEM) (Van Etten, 2017), and (C) upslope area derived based on the DEM in SAGA GIS (Conrad et al., 2015).

Figure 2

Case study: Ebergötzen (Böhner, McCloy & Strobl, 2006).