A portable steady-state porometer for measuring the carbon dioxide and water vapour exchanges of leaves under natural conditions E. -D. SchulzeA. E. HallH. Walz OriginalPaper Pages: 141 - 145
Size specific predation by herons and its effect on the sex-ratio of natural populations of the mosquito fish Gambusia affinis baird and girard Robert H. BrittonMichael E. Moser OriginalPaper Pages: 146 - 151
Predation upon reptiles in Mediterranean habitats of Chile, Spain and California: A comparative analysis Fabian M. JaksićHarry W. GreeneRobert L. Seib OriginalPaper Pages: 152 - 159
Diet and sexual dimorphism in the very catholic lizard genus, Leiocephalus of the Bahamas Thomas W. SchoenerJennifer B. SladeChristopher H. Stinson OriginalPaper Pages: 160 - 169
Foraging strategies and prey switching in the California sea otter Richard S. Ostfeld OriginalPaper Pages: 170 - 178
Ozone flux in Glycine max (L.) Merr.: Sites of regulation and relationship to leaf injury G. E. Taylor Jr.D. T. TingeyH. C. Ratsch OriginalPaper Pages: 179 - 186
The turnover of milkweed pollinia on bumble bees, and implications for outcrossing Douglass H. Morse OriginalPaper Pages: 187 - 196
Stream detritus dynamics: Regulation by invertebrate consumers J. Bruce WallaceJackson R. WebsterThomas F. Cuffney OriginalPaper Pages: 197 - 200
Temporal and spatial variation of mortality in field populations of Danaus plexippus L. and D. chrysippus L. Larvae (Lepidoptera: Nymphalidae) M. P. ZaluckiR. L. Kitching OriginalPaper Pages: 201 - 207
Construction and maintenance costs of mediterranean-climate evergreen and deciduous leaves I. Growth and CO2 exchange analysis J. MerinoC. FieldH. A. Mooney OriginalPaper Pages: 208 - 213
Melanism and diel activity of alpine Colias (Lepidoptera: Pieridae) Jens Roland OriginalPaper Pages: 214 - 221
The effect of photoperiod on temperature selection in the European green lizard, Lacerta viridis Peggy D. RismillerGerhard Heldmaier OriginalPaper Pages: 222 - 226
Influence of leaf size, orientation, and arrangement on temperature and transpiration in three high-elevation, large-leafed herbs G. N. GellerW. K. Smith OriginalPaper Pages: 227 - 234
Seasonal fluctuations of vegetative growth in roots and shoots of central Chilean shrubs G. MontenegroS. ArayaG. Avila OriginalPaper Pages: 235 - 237
Effects of temperature on the energy budgets of Hydra pseudoligactis Lauren Alfred SchroederWilliam M. Callaghan OriginalPaper Pages: 238 - 244
Sexual dimorphism in between and within patch movements of a monophagous insect: Tetraopes (Coleoptera: Cerambycidae) W. S. Lawrence OriginalPaper Pages: 245 - 250
The effect of clipping frequency on the competitive interaction between two perennial grass species K. I. AlexanderK. Thompson OriginalPaper Pages: 251 - 254
Male reproductive effort and breeding system in an hermaphroditic plant Daniel J. Schoen OriginalPaper Pages: 255 - 257
Variations in growth and reproduction within populations of two rhizomatous plant species: Typha latifolia and Typha angustifolia James B. GraceRobert G. Wetzel OriginalPaper Pages: 258 - 263
Population dynamics and regulation of the Douglas squirrel (Tamiasciurus douglasii) with supplemental food Thomas P. SullivanDruscilla S. Sullivan OriginalPaper Pages: 264 - 270
Selective grazing by the mud snail Ilyanassa obsoleta Michael S. ConnorRobert K. Edgar OriginalPaper Pages: 271 - 275
Association with mature plants protects seedlings from predation in an arid grassland shrub, Gutierrezia microcephala Matthew A. Parker OriginalPaper Pages: 276 - 280
