1. Variation in carbon isotope discrimination within and among Sphagnum species in a temperate wetland

   • S. K. Rice

   Pages: 1 - 8

2. Urea: a nitrogen source for the aquatic resurrection plant Chamaegigas intrepidus Dinter

   • H. Heilmeier
   • R. G. Ratcliffe
   • W. Hartung

   Pages: 9 - 14

3. C₄ plants in the vegetation of Mongolia: their natural occurrence and geographical distribution in relation to climate

   • V. I. Pyankov
   • P. D. Gunin
   • C. C. Black

   Pages: 15 - 31

4. Altitude trends in conifer leaf morphology and stable carbon isotope composition

   • K. R. Hultine
   • J. D. Marshall

   Pages: 32 - 40

5. Hibernation behavior of Rana lessonae and R. esculenta in their natural habitat

   • A. -K. Holenweg
   • H. -U. Reyer

   Pages: 41 - 47

6. Effects of parasitic castration on plant resource allocation

   • P. X. Kover

   Pages: 48 - 56

7. No benefit of glandular trichome production in natural populations of Datura wrightii?

   • E. Elle
   • J. D. Hare

   Pages: 57 - 65

8. Effects of simulated grazing on different genotypes of Bouteloua gracilis: how important is morphology?

   • P. M. Kotanen
   • J. Bergelson

   Pages: 66 - 74

9. Effect of elevated CO₂ on the demography of a leaf-sucking mite feeding on bean

   • A. Boutaleb Joutei
   • J. Roy
   • P. Lebrun

   Pages: 75 - 81

10. Positive interactions between leafrollers and other arthropods enhance biodiversity on hybrid cottonwoods

    • G. D. Martinsen
    • K. D. Floate
    • T. G. Whitham

    Pages: 82 - 89

11. Potential growth and drought tolerance of eight desert grasses: lack of a trade-off?

    • R. J. Fernández
    • J. F. Reynolds

    Pages: 90 - 98

12. Cottonwood hybridization affects tannin and nitrogen content of leaf litter and alters decomposition

    • E. M. Driebe
    • T. G. Whitham

    Pages: 99 - 107

13. Trading forage quality for quantity? Plant phenology and patch choice by Svalbard reindeer

    • R. Van der Wal
    • N. Madan
    • S. D. Albon

    Pages: 108 - 115

14. Ungulate stimulation of nitrogen cycling and retention in Yellowstone Park grasslands

    • D. A. Frank
    • P. M. Groffman
    • B. F. Tracy

    Pages: 116 - 121

15. Characterisation of the differential interference effects of two boreal dwarf shrub species

    • M. -C. Nilsson
    • O. Zackrisson
    • A. Wallstedt

    Pages: 122 - 128

16. Do ant mosaics exist in pristine lowland rain forests?

    • A. Floren
    • K. E. Linsenmair

    Pages: 129 - 137

17. Size-dependent foraging efficiency, cannibalism and zooplankton community structure

    • E. Wahlström
    • L. Persson
    • P. Byström

    Pages: 138 - 148