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 SimonCatherine PotvinMarie-Hélène Blanchard Original Papers Pages: 143 - 148
The effects of size of opening in vegetation and litter cover on seedling establishment of goldenrods (Solidago spp.) Deborah E. GoldbergPatricia A. Werner Original Papers Pages: 149 - 155
The effects of density dependent resource limitation on size of wild reindeer Terje Skogland Original Papers Pages: 156 - 168
UV damage and photoreactivation potentials of larval shrimp, Pandalus platyceros, and adult euphausiids, Thysanoessa raschii David M. DamkaerDouglas B. Dey Original Papers Pages: 169 - 175
Photosynthetic pathways in the Bromeliaceae of Trinidad: relations between life-forms, habitat preference and the occurrence of CAM Howard GriffithsJ. Andrew C. Smith Original Papers Pages: 176 - 184
Contributions of diurnal and nocturnal insects to the pollination of common milkweed (Asclepias syriaca L.) in a pollen-limited system Douglass H. MorseRobert S. Fritz Original Papers Pages: 190 - 197
Optimal sugar concentrations of floral nectars —dependence on sugar intake efficiency and foraging costs Amy J. Heyneman Original Papers Pages: 198 - 213
Mechanical determinants of nectar feeding strategy in hummingbirds: energetics, tongue morphology, and licking behavior Joel G. KingsolverThomas L. Daniel Original Papers Pages: 214 - 226
Demographic variation in the Australian desert cassia under grazing pressure John A. Silander Jr. Original Papers Pages: 227 - 233
Egg age distribution, the direct way to cladoceran birth rates Geir Johnsen Original Papers Pages: 234 - 236
Water balance in developing leaves of four tropical savanna woody species Frederick MeinzerVirginia SeymourGuillermo Goldstein Original Papers Pages: 237 - 243
Digestibility, digestion-inhibitors and nutrients of herbaceous foliage and green stems from an African montane flora and comparison with other tropical flora Peter G. WatermanGillian M. ChooDavid Watts Original Papers Pages: 244 - 249
A comparison of 3-parameter, single-species population models, in relation to the management of brushtail possums in New Zealand N. D. BarlowM. N. Clout Original Papers Pages: 250 - 258
Laboratory studies of seed size and seed species selection by heteromyid rodents Mary V. Price Original Papers Pages: 259 - 263
Why do sulfate-reducing bacteria outcompete methanogenic bacteria for substrates? J. K. KristjanssonP. Schönheit Original Papers Pages: 264 - 266
Herbivory and seedling establishment in post-fire southern California chaparral James N. Mills Original Papers Pages: 267 - 270
Birds and neotropical mistletoes: effects on seedling recruitment Priya Davidar Original Papers Pages: 271 - 273
Effect of parental flowering and dispersal times on offspring fate in Daucus carota (Apiaceae) Elizabeth P. LaceyRobert Pace Original Papers Pages: 274 - 278