An experimental demonstration of density-dependent reproduction in a natural population of Diamorpha smallii, a rare annual Keith ClayRuth Shaw OriginalPaper Pages: 1 - 6
Egg clumping, host plant selection and population regulation in Cactoblastis cactorum (Lepidoptera) Judith H. MyersJohn MonroNeil Murray OriginalPaper Pages: 7 - 13
Relative growth rates and the grazing optimization hypothesis D. W. HilbertD. M. SwiftM. I. Dyer OriginalPaper Pages: 14 - 18
External and internal factors regulating metabolic rates of an estuarine benthic community W. Michael KempWalter R. Boynton OriginalPaper Pages: 19 - 27
The role of pollination in the population biology of the monocarpic species Cirsium palustre and Cirsium vulgare B. H. van Leeuwen OriginalPaper Pages: 28 - 32
Relative sensitivity of three species of woody plants to SO2 at high or low exposure temperature R. J. NorbyT. T. Kozlowski OriginalPaper Pages: 33 - 36
Experimental analysis of movements by prairie rattlesnakes, Crotalus viridis, during hibernation Owen J. SextonKen R. Marion OriginalPaper Pages: 37 - 41
Fecundity, fruiting pattern, and seed dispersal in Piper amalago (Piperaceae), a bat-dispersed tropical shrub Theodore H. Fleming OriginalPaper Pages: 42 - 46
Analysis of how ant behaviors affect germination in a tropical myrmecochore Calathea microcephala (P. & E.) Koernicke (Marantaceae): Microsite selection and aril removal by neotropical ants, Odontomachus, Pachycondyla, and Solenopsis (Formicidae) C. C. Horvitz OriginalPaper Pages: 47 - 52
Age-specific residual reproductive value and reproductive effort in the Iceland scallop, Chlamys islandica (O.F. Müller) Ola Vahl OriginalPaper Pages: 53 - 56
Ecophysiological studies of Sonoran Desert plants. VII. Photosynthetic gas exchange of winter ephemerals from sun and shade environments C. S. WallaceS. R. Szarek OriginalPaper Pages: 57 - 61
Delayed seed dispersal in Pinus torreyana (Torrey pine) Gregory S. McMasterPaul H. Zedler OriginalPaper Pages: 62 - 66
Temporal and microclimatic partitioning of the floral resources of Justicia aurea amongst a concourse of pollen vectors and nectar robbers P. G. WillmerS. A. Corbet OriginalPaper Pages: 67 - 78
Why do nectar-foraging bees and wasps work upwards on inflorescences? Sarah A. CorbetI. CuthillG. Hartley OriginalPaper Pages: 79 - 83
Shell fighting and competition between two hermit crab species in Panama Peter Abrams OriginalPaper Pages: 84 - 90
Coevolution of pierid butterflies and their cruciferous foodplants Steven P. Courtney OriginalPaper Pages: 91 - 96
Field studies of the relationship between herbivore damage and tannin concentration in bracken (Pteridium aquilinum Kuhn) Alice S. Tempel OriginalPaper Pages: 97 - 106
Longevity of needle fascicles of Pinus longaeva (Bristlecone pine) and other North American pines Frank W. EwersRudolf Schmid OriginalPaper Pages: 107 - 115
A removal experiment with sympatric populations of Apodemus sylvaticus (L.) and A. flavicollis (Melchior) (Rodentia: Muridae) W. I. Montgomery OriginalPaper Pages: 123 - 132
Why are adaptations for long-range seed dispersal rare in desert plants? Stephen FllnerAvi Shmida OriginalPaper Pages: 133 - 144
Limited dispersal and its effect on population structure in the milkweed beetle Tetraopes tetraophthalmus David E. McCauleyJames R. OttSharon McGrath OriginalPaper Pages: 145 - 150
