1. Oxygen loss from Spartina alterniflora and its relationship to salt marsh oxygen balance

   • B. L. Howes
   • J. M. Teal

   Original Paper Pages: 431 - 438

2. Resource partitioning by mammalian herbivores in the high Arctic

   • D. R. Klein
   • C. Bay

   Original Paper Pages: 439 - 450

3. Effects of leaf age, nitrogen nutrition and photon flux density on the distribution of nitrogen among leaves of a vine (Ipomoea tricolor Cav.) grown horizontally to avoid mutual shading of leaves

   • Kouki Hikosaka
   • Ichiro Terashima
   • Sakae Katoh

   Original Paper Pages: 451 - 457

4. Retarded growth of cladoceran zooplankton in the presence of a copepod predator

   • Z. M. Gliwiz

   Original Paper Pages: 458 - 461

5. Density-dependent regulation of ramet recruitment by the red:far-red ratio of solar radiation: a field evaluation with the bunchgrass Schizachyrium scoparium

   • J. S. Murphy
   • D. D. Briske

   Original Paper Pages: 462 - 469

6. Responses of assemblages of Orthoptera to management and use of ski slopes on upper sub-alpine meadows in the Austrian Alps

   • Ingeborg P. Illich
   • John R. Haslett

   Original Paper Pages: 470 - 474

7. Forest savanna ecotone dynamics in India as revealed by carbon isotope ratios of soil organic matter

   • A. Mariotti
   • E. Peterschmitt

   Original Paper Pages: 475 - 480

8. Plant hybrid zones as centers of biodiversity: the herbivore community of two endemic Tasmanian eucalypts

   • T. G. Whitham
   • P. A. Morrow
   • B. M. Potts

   Original Paper Pages: 481 - 490

9. Densities of microtime rodents along a pollution gradient from a copper-nickel smelter

   • G. D. Kataev
   • Janne Suornela
   • Päivi Palokangas

   Original Paper Pages: 491 - 498

10. Spruce budworm growth, development and food utilization on young and old balsam fir trees

    • É. Bauce
    • M. Crépin
    • N. Carisey

    Original Paper Pages: 499 - 507

11. Predator-mediated apparent competition between two herbivores that feed on grapevines

    • R. Karban
    • D. Hougen-Eitzmann
    • G. English-Loeb

    Original Paper Pages: 508 - 511

12. Drought response of a native and introduced Hawaiian grass

    • D. G. Williams
    • R. A. Black

    Original Paper Pages: 512 - 519

13. Blood parasites of blue grouse: variation in prevalence and patterns of interspecific association

    • M. Forbes
    • P. I. Weatherhead
    • G. E. Bennett

    Original Paper Pages: 520 - 525

14. Winter fattening in the dark-eyed junco: plasticity and possible interaction with migration trade-offs

    • C. M. Rogers
    • V. Nolan Jr
    • E. D. Ketterson

    Original Paper Pages: 526 - 532

15. Tropical tree species diversity: a test of the Janzen-Connell model

    • T. V. Burkey

    Original Paper Pages: 533 - 540

16. Cost assessment of the production of pyrrolizidine alkaloids in ragwort (Senecio jacobaea L.)

    • K. Vrieling
    • C. A. M. van Wijk

    Original Paper Pages: 541 - 546