1. Invasion of an occupied niche by the crayfish Orconectes rusticus: potential importance of growth and mortality

   • Anna M. Hill
   • Damon M. Sinars
   • David M. Lodge

   Original Papers Pages: 303 - 306

2. Heat effects on seeds and rhizomes of a selection of boreal forest plants and potential reaction to fire

   • A. Granström
   • J. Schimmel

   Original Papers Pages: 307 - 313

3. A break in the nitrogen cycle in aridlands? Evidence from δ^p15N of soils

   • R. D. Evans
   • J. R. Ehleringer

   Original Papers Pages: 314 - 317

4. The effect of insularity on the diversity of land birds in the Fiji islands: implications for refuge design

   • W. N. Beckon

   Original Papers Pages: 318 - 329

5. Variability in life history traits of the aphid, Acyrthosiphon pisum (Harris), from sexual and asexual populations

   • Patricia A. MacKay
   • Robert J. Lamb
   • Marjorie A. H. Smith

   Original Papers Pages: 330 - 338

6. Regulation of aphid populations by aphidiid wasps: does parasitoid foraging behaviour or hyperparasitism limit impact?

   • M. Mackauer
   • W. Völkl

   Original Papers Pages: 339 - 350

7. Short-term variability of plant populations within a regularly disturbed habitat

   • L. G. Firbank

   Original Papers Pages: 351 - 355

8. Seed size and establishment conditions in tropical trees

   • C. K. Kelly
   • A. Purvis

   Original Papers Pages: 356 - 360

9. The effects of a rust infection on fitness components in a natural population of Tolumnia variegata (Orchidaceae)

   • E. J. Meléndez
   • J. D. Ackerman

   Original Papers Pages: 361 - 367

10. Reproductive investiment in the scorpion Centruroides vittatus

    • Daniel R. Formanowicz Jr.
    • Lawrence R. Shaffer

    Original Papers Pages: 368 - 372

11. Ontogenetic changes in food intake and digestion rate of the herbivorous marine iguana (Amblyrhynchus cristatus, Bell)

    • M. Wikelski
    • B. Gall
    • F. Trillmich

    Original Papers Pages: 373 - 379

12. Herbivory below ground and biological weed control: life history of a root-boring weevil on purple loosestrife

    • Bernd Blossey

    Original Papers Pages: 380 - 387

13. Stomatal dynamics and its importance to carbon gain in two rainforest Piper species

    • Clara Tinoco-Ojanguren
    • Robert W. Pearcy

    Original Papers Pages: 388 - 394

14. Stomatal dynamics and its importance to carbon gain in two rainforest Piper species

    • Clara Tinoco-Ojanguren
    • Robert W. Pearcy

    Original Papers Pages: 395 - 402

15. Dwarf bamboos affect the regeneration of zoochorous trees by providing habitats to acorn-feeding rodents

    • Naoya Wada

    Original Papers Pages: 403 - 407

16. Incorporation of atmospheric ¹⁵NO₂-nitrogen into free amino acids by Norway spruce Picea abies (L.) Karst.

    • S. Nussbaum
    • P. von Ballmoos
    • C. Brunold

    Original Papers Pages: 408 - 414

17. The influences of increased CO₂ and water supply on growth, biomass allocation and water use efficiency of Sinapis alba L. grown under different wind speeds

    • R. Retuerto
    • F. I. Woodward

    Original Papers Pages: 415 - 427

18. Sex ratio response of the parasitoid wasp Muscidifurax raptor to other females

    • B. H. King
    • S. E. Seidl

    Original Papers Pages: 428 - 433

19. Contribution of physiological and morphological plant traits to a species' competitive ability at high and low nitrogen supply

    • Adrie van der Werf
    • Marc van Nuenen
    • Hans Lambers

    Original Papers Pages: 434 - 440

20. Complete elimination of hostplant quinolizidine alkaloids by larvae of a polyphagous lycaenid butterfly, Callophrys rubi

    • Konrad Fiedler
    • Elisabeth Krug
    • Peter Proksch

    Original Papers Pages: 441 - 445

21. Population fragmentation may reduce fertility to zero in Banksia goodii — a demonstration of the Allee effect

    • Byron B. Lamont
    • Peter G. L. Klinkhamer
    • E. T. F. Witkowski

    Original Papers Pages: 446 - 450

22. Long-term competitive displacement of Typha latifolia by Typha angustifolia in a eutrophic lake

    • Stefan E. B. Weiner

    Original Papers Pages: 451 - 456