1. On the effects of spatial heterogeneity on the persistence of interacting species

   • Robert Stephen Cantrell
   • Chris Cosner

   Pages: 103 - 145

2. Genetical reachability: When does a sexual population realize all phenotypic states?

   • József Garay
   • M. Barnabas Garay

   Pages: 146 - 154

3. Optimal harvesting of stochastically fluctuating populations

   • Luis H. R. Alvarez
   • Larry A. Shepp

   Pages: 155 - 177

4. Models of coupled population oscillators using 1-D maps

   • John Vandermeer
   • Andrew Kaufmann

   Pages: 178 - 202