1. Male distribution and interactions at female oviposition sites as factors affecting mating success in the flyDryomyza anilis (Dryomyzidae)

   • Merja Otronen

   OriginalPaper Pages: 127 - 141

2. Competition theory and the structure of ecological communities

   • F. A. Hopf
   • Thomas J. Valone
   • James H. Brown

   OriginalPaper Pages: 142 - 154

3. The evolution of life histories in spatially heterogeneous environments: Optimal reaction norms revisited

   • Tadeusz J. Kawecki
   • Stephen C. Stearns

   OriginalPaper Pages: 155 - 174

4. Polymorphism in heterogeneous environments, evolution of habitat selection and sympatric speciation: Soft and hard selection models

   • T. de Meeûs
   • Y. Michalakis
   • I. Olivieri

   OriginalPaper Pages: 175 - 198

5. Oviposition strategy of the parasitic waspDinarmus basalis (Hymenoptera, Pteromalidae)

   • Kinya Nishimura

   OriginalPaper Pages: 199 - 206

6. Dimensionless numbers and life history variation in Brown Trout

   • Leif Asbjørn Vøllestad
   • Jan Henning L'Abée-Lund
   • Harald Sægrov

   OriginalPaper Pages: 207 - 218