1. Thermal adaptation and acclimation of higher plants at the enzyme level: kinetic properties of NAD malate dehydrogenase and glutamate oxaloacetate transaminase in two genotypes of Arabidopsis thaliana (Brassicaceae)

   • Jean-Pierre Simon
   • Catherine Potvin
   • Marie-Hélène Blanchard

   Original Papers Pages: 143 - 148

2. The effects of size of opening in vegetation and litter cover on seedling establishment of goldenrods (Solidago spp.)

   • Deborah E. Goldberg
   • Patricia A. Werner

   Original Papers Pages: 149 - 155

3. The effects of density dependent resource limitation on size of wild reindeer

   • Terje Skogland

   Original Papers Pages: 156 - 168

4. UV damage and photoreactivation potentials of larval shrimp, Pandalus platyceros, and adult euphausiids, Thysanoessa raschii

   • David M. Damkaer
   • Douglas B. Dey

   Original Papers Pages: 169 - 175

5. Photosynthetic pathways in the Bromeliaceae of Trinidad: relations between life-forms, habitat preference and the occurrence of CAM

   • Howard Griffiths
   • J. Andrew C. Smith

   Original Papers Pages: 176 - 184

6. Diet shifts in moose due to predator avoidance

   • Joan Edwards

   Original Papers Pages: 185 - 189

7. Contributions of diurnal and nocturnal insects to the pollination of common milkweed (Asclepias syriaca L.) in a pollen-limited system

   • Douglass H. Morse
   • Robert S. Fritz

   Original Papers Pages: 190 - 197

8. Optimal sugar concentrations of floral nectars —dependence on sugar intake efficiency and foraging costs

   • Amy J. Heyneman

   Original Papers Pages: 198 - 213

9. Mechanical determinants of nectar feeding strategy in hummingbirds: energetics, tongue morphology, and licking behavior

   • Joel G. Kingsolver
   • Thomas L. Daniel

   Original Papers Pages: 214 - 226

10. Demographic variation in the Australian desert cassia under grazing pressure

    • John A. Silander Jr.

    Original Papers Pages: 227 - 233

11. Egg age distribution, the direct way to cladoceran birth rates

    • Geir Johnsen

    Original Papers Pages: 234 - 236

12. Water balance in developing leaves of four tropical savanna woody species

    • Frederick Meinzer
    • Virginia Seymour
    • Guillermo Goldstein

    Original Papers Pages: 237 - 243

13. Digestibility, digestion-inhibitors and nutrients of herbaceous foliage and green stems from an African montane flora and comparison with other tropical flora

    • Peter G. Waterman
    • Gillian M. Choo
    • David Watts

    Original Papers Pages: 244 - 249

14. A comparison of 3-parameter, single-species population models, in relation to the management of brushtail possums in New Zealand

    • N. D. Barlow
    • M. N. Clout

    Original Papers Pages: 250 - 258

15. Laboratory studies of seed size and seed species selection by heteromyid rodents

    • Mary V. Price

    Original Papers Pages: 259 - 263

16. Why do sulfate-reducing bacteria outcompete methanogenic bacteria for substrates?

    • J. K. Kristjansson
    • P. Schönheit

    Original Papers Pages: 264 - 266

17. Herbivory and seedling establishment in post-fire southern California chaparral

    • James N. Mills

    Original Papers Pages: 267 - 270

18. Birds and neotropical mistletoes: effects on seedling recruitment

    • Priya Davidar

    Original Papers Pages: 271 - 273

19. Effect of parental flowering and dispersal times on offspring fate in Daucus carota (Apiaceae)

    • Elizabeth P. Lacey
    • Robert Pace

    Original Papers Pages: 274 - 278