Placing linkages among fragmented habitats: do least‐cost models reflect how animals use landscapes?

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Estimating landscape resistance to movement: a review (2012, background): “However, in a review of least-cost models, Sawyer et al. (2011) criticized the use of proxies for landscape features that may affect animal movement due to weaknesses in predictive power.”
Individual dispersal, landscape connectivity and ecological networks (2013, background): “The relative efficiency of these estimators has been tested rarely (e.g. Moilanen & Nieminen, 2002; Stevens et al., 2006; Baguette & Van Dyck, 2007; Desrochers et al., 2011; Palmer, Coulon & Travis, 2011; Sawyer et al., 2011), but a common risk associated with such”