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Dispersal parameters

Section 6 entails parameters relevant for dispersal.
The 1000 seed weights for the included species were taken from the Seed Information Database (SID) of Kew Gardens and are accessible under item 6.1. We assume here that annaul seed produciton is porportional to the crwon surface area. Thus, the second parameter holds the seed densities per crown surface area which is being used as the proportional factor in this relationship. So far, this parameter has not been set on the baseis of species-specific data and is experimental, though.
In principle, seeds or porpagules are considered to be dispersad by wind in a simple mannner according to Niklas (1994). Additionally, we added a simplistic routine to simulate seed/propagule dispersal by water. Once again, you may consider the latter form of dispersal experimental.