Description Usage Arguments Value Author(s) References
This function calculates the number of new non-adaptive speciation events (Equation 6 in Appendix 2 of Borregaard et al. 2016)
| 1 | naS_t(Sr_tm1, Topography_t, Vs)
 | 
| Sr_tm1 | Species richness of the island of the previous time step | 
| Topography_t | Topography | 
| Vs | Probability of a vicariance event when topography equals 1 | 
Number of new non-adaptive speciation events
Torsten Hauffe
Borregaard, M. K., T. J. Matthews and R. J. Whittaker (2016). The general dynamic model: towards a unified theory of island biogeography? Global Ecology and Biogeography, 25(7), 805-816.
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