Description Usage Arguments Details Value Author(s) References See Also Examples
Simulate the balance between extinction and colonization rates given the equilibrium number of species in a island, based on the Island Biogeography Equilibrium model.
1 2 | animaColExt(min = 0.01, max = 1, cycles = 100, Ext = "crs",
Col = "dcr")
|
min |
between 0-1. The minimum value of the extinction and colonization rates. |
max |
between 0-1. The maximum value of the extinction and colonization rates. |
cycles |
number of cycles in the simulation. |
Ext |
a string representing the extinction rate. This can be 'crs' for an increasing extinction rate, 'fix' for a fixed extinction rate in 0.5, or 'dcr' for a decreasing extinction rate. |
Col |
a string representing the colonization rate. This can be 'crs' for an increasing colonization rate, 'fix' for a fixed colonization rate in 0.5, or 'dcr' for a decreasing colonization rate. |
The number of species is the balance between extinction and colonization rates at the equilibrium.
'animaColExt' returns a graph of the extinction and colonization rates varying one or both rates in relation with the number of species of an island.
Alexandre Adalardo de Oliveira ecovirtualpackage@gmail.com
Gotelli, N.J. 2008. A primer of Ecology. 4th ed. Sinauer Associates, 291pp.
archip
bioGeoIsl
http://ecovirtual.ib.usp.br
1 2 3 4 | ## Not run:
animaColExt(Ext='fix', Col="fix")
## End(Not run)
|
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