The influence of ozone and nutrition on δ13C in Betula pendula Matthias SaurerStefan MaurerUlrich Siegenthaler Original Paper Pages: 397 - 406
Inhibition of growth, and effects on nutrient uptake of arctic graminoids by leaf extracts — allelopathy or resource competition between plants and microbes? Anders MichelsenInger K. SchmidtTerry V. Callaghan Original Paper Pages: 407 - 418
Physiological energetics of a midge, Chironomus riparius Meigen (Insecta, Diptera): normoxic heat output over the whole life cycle and response of larva to hypoxia and anoxia Olli-Pekka PenttinenIsmo J. Holopainen Original Paper Pages: 419 - 424
Stage-structured interactions between seasonal and permanent residents of an estuarine nekton community R. T. KneibM. Kathyrn Knowlton Original Paper Pages: 425 - 434
Tests for density dependence revisited David R. FoxJames Ridsdill-Smith Original Paper Pages: 435 - 443
Patterns of daily flight activity in onitine dung beetles (Scarabaeinae: Onitini) Stanley CaveneyClarke H. ScholtzPeter McIntyre Original Paper Pages: 444 - 452
Critical population size for fig/wasp mutualism in a seasonal environment: effect and evolution of the duration of female receptivity Marie-Charlotte AnstettGeorges MichaloudFinn Kjellberg Original Paper Pages: 453 - 461
Nitrogen fertilization and sex expression affect size variability of fibre hemp (Cannabis sativa L.) H. M. G. van der WerfW. van den Berg Original Paper Pages: 462 - 470
Resource concentration hypothesis: effect of host plant patch size on density of herbivorous insects A. A. GrezR. H. González Original Paper Pages: 471 - 474
Changes in the fecundity of tent caterpillars: a correlated character of disease resistance or sublethal effect of disease? Judith H. MyersBarbara Kuken Original Paper Pages: 475 - 480
Population dynamics of the collared lemming and the tundra vole at Pearce Point, Northwest Territories, Canada Charles J. KrebsRudy BoonstraAlice J. Kenney Original Paper Pages: 481 - 489
Variation in mating systems and sexual size dimorphism between populations of the Australian python Morelia spilota (Serpentes: Pythonidae) R. ShineM. Fitzgerald Original Paper Pages: 490 - 498
Habitat switching by dark-bellied brent geese Branta b. bernicla (L.) in relation to food depletion J. A. VickeryW. J. SutherlandS. J. Lane Original Paper Pages: 499 - 508
Spatial variation in infection by digenetic trematodes in a population of freshwater snails (Potamopyrgus antipodarum) Jukka JokelaCurtis M. Lively Original Paper Pages: 509 - 517
Food deprivation during different periods of tadpole (Hyla chrysoscelis) ontogeny affects metamorphic performance differently M. C. AudoT. M. MannR. Altig Original Paper Pages: 518 - 522