1. Environmental predictions and distributional limits of chromosomal taxa in the Australian grasshopperCaledia captiva (F.)

   • B. Kohlmann
   • H. Nix
   • D. D. Shaw

   Original Papers Pages: 483 - 493

2. Water status related photosynthesis and carbon isotope discrimination in species of the lichen genusPseudocyphellaria with green or blue-green photobionts and in photosymbiodemes

   • O. L. Lange
   • T. G. A. Green
   • H. Ziegler

   Original Papers Pages: 494 - 501

3. Compensating effects to growth of carbon partitioning changes in response to SO₂-induced photosynthetic reduction in radish

   • H. A. Mooney
   • M. Küppers
   • W. E. Winner

   Original Papers Pages: 502 - 506

4. Dispersal distance as a benefit of myrmecochory

   • A. N. Andersen

   Original Papers Pages: 507 - 511

5. Parasitic castration: host species preferences, size-selectivity and spatial heterogeneity

   • S. M. Blower
   • J. Roughgarden

   Original Papers Pages: 512 - 515

6. Interaction between a picornavirus and a wild population ofDrosophila melanogaster

   • Michèle Thomas-Orillard

   Original Papers Pages: 516 - 520

7. The influence of ambient temperature, seed composition and body size on water balance and seed selection in coexisting heteromyid rodents

   • A. J. Hulbert
   • Richard E. MacMillen

   Original Papers Pages: 521 - 526

8. Field ecology of a brood-caring dung beetleKheper nigroaeneus-habitat predictability and life history strategy

   • Penelope B. Edwards

   Original Papers Pages: 527 - 534

9. Variation in host susceptibility among and within populations ofPlantago lanceolata L. infected by the fungusPhomopsis subordinaria (Desm.) Trav.

   • Marianne P. de Nooij
   • Jos M. M. van Damme

   Original Papers Pages: 535 - 538

10. Photosynthetic pathways, distribution, and ecological characteristics of grass species in egypt

    • K. H. Batanouny
    • W. Stichler
    • H. Ziegler

    Original Papers Pages: 539 - 548

11. Crowding-triggered phenotypic responses alleviate consequences of crowding inEpirrita autumnata (Lep., Geometridae)

    • Erkki Haukioja
    • Elisabet Pakarinen
    • Lasse Iso-Iivari

    Original Papers Pages: 549 - 558

12. Herbivory by leaf miners in response to experimental shading of a native crucifer

    • S. K. Collinge
    • S. M. Louda

    Original Papers Pages: 559 - 566

13. Effects of high irradiances on photosynthesis, growth and crassulacean acid metabolism in the epiphyteKalanchoö uniflora

    • Christian Schäfer
    • Ulrich Lüttge

    Original Papers Pages: 567 - 574

14. Phenolic and mineral content of leaves influences decomposition in European forest ecosystems

    • Volker Nicolai

    Original Papers Pages: 575 - 579

15. Seasonal range selection in bighorn sheep: conflicts between forage quality, forage quantity, and predator avoidance

    • M. Festa-Bianchet

    Original Papers Pages: 580 - 586

16. Do parasites confer a disadvantage to hybrids?

    • Francis Dupont
    • Alain J. Crivelli

    Original Papers Pages: 587 - 592

17. Population structure of a hilltopping butterfly

    • J. F. Baughman
    • D. D. Murphy
    • P. R. Ehrlich

    Original Papers Pages: 593 - 600

18. Demographic models of the northern spotted owl (Strix occidentalis caurina)

    • R. Lande

    Original Papers Pages: 601 - 607

19. Some effects of changing soil chemistry on decomposition of plant litters and cellulose on a Scottish moor

    • D. D. French

    Original Papers Pages: 608 - 618

20. Direct and indirect effects of predatory wasps (Polistes sp.: Vespidae) on gregarious caterpillars (Hemileuca lucina: Saturniidae)

    • N. E. Stamp
    • M. D. Bowers

    Original Papers Pages: 619 - 624

21. The effect of canopy gaps on growth and morphology of seedlings of rain forest species

    • J. Popma
    • F. Bongers

    Original Papers Pages: 625 - 632