1. Phenotypic plasticity of life-history traits in clonal and sexual fish (Poeciliopsis) at high and low densities

   • Stephen C. Weeks

   Original Papers Pages: 307 - 314

2. Resource-mediated effects of stream pollution on food absorption of Asellus aquaticus (L.) populations

   • A. Basset

   Original Papers Pages: 315 - 321

3. Species height and root symbiosis, two factors influencing antiherbivore defense of woody plants in East African savanna

   • R. Thomas Palo
   • Juan Gowda
   • Peter Högberg

   Original Papers Pages: 322 - 326

4. Trophic exploitation in grassland food chains: simple models and a field experiment

   • Oswald J. Schmitz

   Original Papers Pages: 327 - 335

5. Reproductive allocation strategies in desert and Mediterranean populations of annual plants grown with and without water stress

   • J. Aronson
   • J. Kigel
   • A. Shmida

   Original Papers Pages: 336 - 342

6. Factors influencing brood sex ratios in polyembryonic Hymenoptera

   • Ian C. W. Hardy
   • Paul J. Ode
   • Michael R. Strand

   Original Papers Pages: 343 - 348

7. Temporal infectivity and specificity of vesicular-arbuscular mycorrhizas in co-existing grassland species

   • Ian R. Sanders

   Original Papers Pages: 349 - 355

8. The relationship between foraging and shoal position in a mixed shoal of roach (Rutilus rutilus) and chub (Leuciscus cephalus): a field study

   • Jens Krause

   Original Papers Pages: 356 - 359

9. Relationship between morphological and physiological responses to waterlogging and salinity in Sporobolus virginicus (L.) Kunth

   • G. Naidoo
   • S. G. Mundree

   Original Papers Pages: 360 - 366

10. Coin-flipping plasticity and prolonged diapause in insects: example of the chestnut weevil Curculio elephas (Coleoptera: Curculionidae)

    • F. Menu
    • D. Debouzie

    Original Papers Pages: 367 - 373

11. Nitrogen and carbohydrate storage in biennials originating from habitats of different resource availability

    • T. Steinlein
    • H. Heilmeier
    • E.-D. Schulze

    Original Papers Pages: 374 - 382

12. Maternally-induced modification of progeny phenotypes in the C₄ weed Echinochloa crus-galli: An analysis of seed constituents and performance

    • Christiane Charest
    • Catherine Potvin

    Original Papers Pages: 383 - 388

13. Temporal and spatial pattern of common tern (Sterna hirundo) foraging in the Wadden Sea

    • Peter H. Becker
    • Dietrich Frank
    • Stefan R. Sudmann

    Original Papers Pages: 389 - 393

14. Population growth and structure in a variable environment

    • Uno Wennergren
    • Jan Landin

    Original Papers Pages: 394 - 405

15. Tests for host-associated fitness trade-offs in the milkweed-oleander aphid

    • Francis R. Groeters

    Original Papers Pages: 406 - 411

16. Predispersal seed predation on five Piper species in tropical rainforest

    • N. Greig

    Original Papers Pages: 412 - 420

17. Sex allocation in a field population of an autoparasitoid

    • Martha S. Hunter

    Original Papers Pages: 421 - 428

18. Recovery of plants from “Near-Lethal” stress

    • A. M. Shirazi
    • L. H. Fuchigami

    Original Papers Pages: 429 - 434

19. New insights into testing for density dependence

    • M. Holyoak

    Original Papers Pages: 435 - 444

20. Environmentally induced variation in body size of turtles hatching in natural nests

    • Gary C. Packard
    • Kirk Miller
    • Mary J. Packard

    Short Communications Pages: 445 - 448

21. Ammonia formation and soil pH increase caused by decomposing fruitbodies of macrofungi

    • T. Ingelög
    • H.-Ö. Nohrstedt

    Short Communications Pages: 449 - 451

22. Control of systemically induced herbivore resistance by plant vascular architecture

    • Clive G. Jones
    • Robert F. Hopper
    • Vera A. Krischik

    Short Communications Pages: 452 - 456