.calc_arc               Compute energy costs
.calc_arc_cond          Compute conductance
.calc_cycling           Compute energy costs for a cyclist
.calc_cycling_cond      Compute conductance for a cyclist
circuitscape_skeleton   Create the initialization file for the julia
                        package Circuitscape
en_extrapolation        Check if model extrapolates
en_lcp                  Compute least-cost paths
en_passage              Compute probability of passage of random walks
en_path                 Compute the energy costs for a chosen path
enerscape               Compute the energy landscape
omniscape_skeleton      Create the initialization file for the julia
                        package Omniscape
pontzer                 Energy cost of transport from Pontzer (2016)
