1. Ovigerity, selective predation, and variable diel vertical migration in Euchaeta elongata (Copepoda: Calanoida)

   • S. M. Bollens
   • B. W. Frost

   Original Papers Pages: 155 - 161

2. Lupine influence on soil carbon, nitrogen and microbial activity in developing ecosystems at Mount St. Helens

   • J. J. Halvorson
   • J. L. Smith
   • E. H. Franz

   Original Papers Pages: 162 - 170

3. Convergent succession of phytoplankton in microcosms with different inoculum species composition

   • Ulrich Sommer

   Original Papers Pages: 171 - 179

4. Stem hydraulic properties of vines vs. shrubs of western poison oak, Toxicodendron diversilobum

   • Barbara L. Gartner

   Original Papers Pages: 180 - 189

5. Dry matter production and photosynthetic capacity in Gossypium hirsutum L. under conditions of slightly suboptimum leaf temperatures and high levels of irradiance

   • Klaus Winter
   • Martina Königer

   Original Papers Pages: 190 - 197

6. Carbon and nitrogen isotope ratios in different compartments of a healthy and a declining Picea abies forest in the Fichtelgebirge, NE Bavaria

   • G. Gebauer
   • E. -D. Schulze

   Original Papers Pages: 198 - 207

7. The annual reproductive cycle of the freshwater mussel Dreissena polymorpha Pallas in lakes

   • Jost Borcherding

   Original Papers Pages: 208 - 218

8. Nonglandular leaf trichomes as short-term inducible defense of the grey alder, Alnus incana (L.), against the chrysomelid beetle, Agelastica alni L.

   • R. Baur
   • S. Binder
   • G. Benz

   Original Papers Pages: 219 - 226

9. Endoparasitic flies, pollen-collection by bumblebees and a potential host-parasite conflict

   • Regula Schmid-Hempel
   • Paul Schmid-Hempel

   Original Papers Pages: 227 - 232

10. Direct and indirect interactions between ants (Pheidole megacephala), scales (Coccus viridis) and plants (Pluchea indica)

    • Catherine E. Bach

    Original Papers Pages: 233 - 239

11. The utilization of nitrogen from insect capture by different growth forms of Drosera from Southwest Australia

    • E. -D. Schulze
    • G. Gebauer
    • J. S. Pate

    Original Papers Pages: 240 - 246

12. Herbivorous caddisflies, macroalgae, and epilithic microalgae: dynamic interactions in a stream grazing system

    • Jack W. Feminella
    • Vincent H. Resh

    Original Papers Pages: 247 - 256

13. Do birch-feeding caterpillars make the right feeding choices?

    • Duncan Reavey

    Original Papers Pages: 257 - 264

14. Temporal change in the location of egg-laying by a bud-galling sawfly, Euura mucronata, on growing shoots of Salix cinerea

    • H. Roininen

    Original Papers Pages: 265 - 269

15. Seed mass and emergence time effects on performance of Panicum dichotomiflorum Michx. across environments

    • Katherine L. Gross
    • Alison D. Smith

    Original Papers Pages: 270 - 278

16. Plant spinescence in arid southern Africa: does moisture mediate selection by mammals?

    • Suzanne J. Milton

    Original Papers Pages: 279 - 287

17. Environmentally-based maternal effects: a hidden force in insect population dynamics?

    • M. C. Rossiter

    Original Papers Pages: 288 - 294

18. Mutualism between Maieta guianensis Aubl., a myrmecophytic melastome, and one of its ant inhabitants: ant protection against insect herbivores

    • Heraldo L. Vasconcelos

    Original Papers Pages: 295 - 298

19. The consequences of flooding for the dispersal and fate of poeciliid fish in an intermittent tropical stream

    • Lauren J. Chapman
    • Donald L. Kramer

    Original Papers Pages: 299 - 306