A re-assessment of high elevation treeline positions and their explanation Christian Körner Article Pages: 445 - 459
Downward flux of water through roots (i.e. inverse hydraulic lift) in dry Kalahari sands E.-D. SchulzeM. M. CaldwellP. Trimborn Article Pages: 460 - 462
Regulation of water flux through trunks, branches, and leaves in trees of a lowland tropical forest José Luis AndradeFrederick C. MeinzerKatia Silvera Article Pages: 463 - 471
Differences in allocation patterns in clonal and sexual offspring in a woodland pseudo-annual René VerburgDanny Grava Article Pages: 472 - 477
Island biogeography and the reproductive ecology of great tits Parus major David A. WigginsAnders Pape MøllerL. Arriana Brand Article Pages: 478 - 482
Influence of genetic and environmental factors on egg and clutch sizes among populations of Paratya australiensis Kemp (Decapoda: Atyidae) in␣upland rainforest streams, south-east Queensland Marty A. HancockJane M. HughesStuart E. Bunn Article Pages: 483 - 491
Plasticity of insect reproduction: testing models of flexible and fixed development in response to different growth rates Gregory S. MoehrlinSteven A. Juliano Article Pages: 492 - 500
Patterns of growth and sexual size dimorphism in two species of box turtles with environmental sex determination Robert C. St. Clair Article Pages: 501 - 507
Relaxation of an induced defense after exclusion of herbivores: spines on Acacia drepanolobium Truman P. YoungBell D. Okello Article Pages: 508 - 513
Seasonality of sap-sucking insects (Auchenorrhyncha, Hemiptera) feeding on Ficus (Moraceae) in a lowland rain forest in New Guinea Vojtech NovotnyYves Basset Article Pages: 514 - 522
Plant-mediated interactions between insects and a fungal plant pathogen and the role of plant chemical responses to infection Patrick J. Moran Article Pages: 523 - 530
Fire, nitrogen, and defensive plasticity in Nicotiana attenuata Gladys Y. LyndsIan T. Baldwin Article Pages: 531 - 540
Allocation of nitrogen to an inducible defense and seed production in Nicotiana attenuata Ian T. BaldwinDawn GorhamGladys Y. Lynds Article Pages: 541 - 552
Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics Ruth E. ShermanTimothy J. FaheyRobert W. Howarth Article Pages: 553 - 563
Physiological response to complex environments in annual Polygonum species of contrasting ecological breadth S. E. SultanA. M. WilczekG. Hand Article Pages: 564 - 578
Properties of food loads delivered to nestlings in the pied flycatcher: effects of clutch size manipulation, year, and sex P. SiikamäkiJ. HaimiO. Rätti Article Pages: 579 - 585
Resource tracking in aphids: programmed reproductive strategies anticipate seasonal trends in habitat quality A. F. G. DixonR. Kundu Article Pages: 586 - 586