Variation in carbon isotope discrimination within and among Sphagnum species in a temperate wetland S. K. Rice Pages: 1 - 8
Urea: a nitrogen source for the aquatic resurrection plant Chamaegigas intrepidus Dinter H. HeilmeierR. G. RatcliffeW. Hartung Pages: 9 - 14
C4 plants in the vegetation of Mongolia: their natural occurrence and geographical distribution in relation to climate V. I. PyankovP. D. GuninC. C. Black Pages: 15 - 31
Altitude trends in conifer leaf morphology and stable carbon isotope composition K. R. HultineJ. D. Marshall Pages: 32 - 40
Hibernation behavior of Rana lessonae and R. esculenta in their natural habitat A. -K. HolenwegH. -U. Reyer Pages: 41 - 47
No benefit of glandular trichome production in natural populations of Datura wrightii? E. ElleJ. D. Hare Pages: 57 - 65
Effects of simulated grazing on different genotypes of Bouteloua gracilis: how important is morphology? P. M. KotanenJ. Bergelson Pages: 66 - 74
Effect of elevated CO2 on the demography of a leaf-sucking mite feeding on bean A. Boutaleb JouteiJ. RoyP. Lebrun Pages: 75 - 81
Positive interactions between leafrollers and other arthropods enhance biodiversity on hybrid cottonwoods G. D. MartinsenK. D. FloateT. G. Whitham Pages: 82 - 89
Potential growth and drought tolerance of eight desert grasses: lack of a trade-off? R. J. FernándezJ. F. Reynolds Pages: 90 - 98
Cottonwood hybridization affects tannin and nitrogen content of leaf litter and alters decomposition E. M. DriebeT. G. Whitham Pages: 99 - 107
Trading forage quality for quantity? Plant phenology and patch choice by Svalbard reindeer R. Van der WalN. MadanS. D. Albon Pages: 108 - 115
Ungulate stimulation of nitrogen cycling and retention in Yellowstone Park grasslands D. A. FrankP. M. GroffmanB. F. Tracy Pages: 116 - 121
Characterisation of the differential interference effects of two boreal dwarf shrub species M. -C. NilssonO. ZackrissonA. Wallstedt Pages: 122 - 128
Size-dependent foraging efficiency, cannibalism and zooplankton community structure E. WahlströmL. PerssonP. Byström Pages: 138 - 148
