Capture and allocation of nitrogen byQuercus douglasii seedlings in competition with annual and perennial grasses J. M. WelkerD. R. GordonK. J. Rice Original Papers Pages: 459 - 466
Resource base, parity, and reproductive condition affect females' feeding time and nutrient intake within and between groups of a baboon population Philip MuruthiJeanne AltmannStuart Altmann Original Papers Pages: 467 - 472
Life and death beneath macrophyte canopies: effects of understory kelps on growth rates and survival of marine, benthic suspension feeders J. E. EckmanD. O. Duggins Original Papers Pages: 473 - 487
Nitrate nutrition ofDeschampsia flexuosa (L.) Trin. in relation to nitrogen deposition in Sweden L. HögbomP. Högberg Original Papers Pages: 488 - 494
Nitrate assimilation in coexisting vascular plants in mire and swamp forest habitats in Central Sweden L. HögbomM. Ohlson Original Papers Pages: 495 - 499
Metabolic rate and cost of growth in juvenile pike (Esox lucius L.) and perch (Perca fluviatilis L.): the use of energy budgets as indicators of environmental change W. WieserN. Medgyesy Original Papers Pages: 500 - 505
Life-history variation in a hybrid species complex ofDaphnia L. J. WeiderH. G. Wolf Original Papers Pages: 506 - 513
Are ant-aphid associations a tritrophic interaction? Oleander aphids and Argentine ants C. M. Bristow Original Papers Pages: 514 - 521
Body size selection inAcanthoscelides alboscutellatus (Coleoptera: Bruchidae) James R. OttMargarita Lampo Original Papers Pages: 522 - 527
Stable isotopic determinations of trophic relationships of great auks Keith A. HobsonWilliam A. Montevecchi Original Papers Pages: 528 - 531
A trade-off between scale and precision in resource foraging B. D. CampbellJ. P. GrimeJ. M. L. Mackey Original Papers Pages: 532 - 538
Population distributions of plant size and light environment of giant ragweed (Ambrosia trifida L.) at three densities Thomas W. Jurik Original Papers Pages: 539 - 550
The relation between above- and belowground biomass allocation patterns and competitive ability R. AertsR. G. A. BootP. J. M. van der Aart Original Papers Pages: 551 - 559
Ecology of heterotrophic dinitrogen fixation in the rhizosphere of mangrove plant community at the Ganges river estuary in India Anjan SenguptaSubhendu Chaudhuri Original Papers Pages: 560 - 564
Photosynthetic pathways and ecological distribution ofEuphorbia species in Egypt K. H. BatanounyW. StichlerH. Ziegler Original Papers Pages: 565 - 569
Pre-dispersal seed predation in Central American Acacia farnesiana: factors affecting the abundance of co-occurring bruchid beetles Anna Traveset Original Papers 01 September 1991 Pages: 570 - 576
Spatial and temporal variability in a butterfly population C. D. Thomas Original Papers Pages: 577 - 580
The macrobenthos fraction accessible to waders may represent marginal prey Leo ZwartsJan H. Wanink Original Papers Pages: 581 - 587
Size, gender, and sex change in dwarf ginseng,Panax trifolium (Araliaceae) Mark A. Schlessman Original Papers Pages: 588 - 595
Evidence for secondary seed dispersal by rodents in Panama Pierre-Michel ForgetTarek Milleron Short Communications Pages: 596 - 599
Size-biased dispersal prior to breeding in a damselfly: conflicting evidence from a natural population David J. Thompson Short Communications Pages: 600 - 601
Fungal biomass associated with decaying leaf litter in a stream M. O. GessnerJ. Schwoerbel Short Communications Pages: 602 - 603