1. A re-assessment of high elevation treeline positions and their explanation

   • Christian Körner

   Article Pages: 445 - 459

2. Downward flux of water through roots (i.e. inverse hydraulic lift) in dry Kalahari sands

   • E.-D. Schulze
   • M. M. Caldwell
   • P. Trimborn

   Article Pages: 460 - 462

3. Regulation of water flux through trunks, branches, and leaves in trees of a lowland tropical forest

   • José Luis Andrade
   • Frederick C. Meinzer
   • Katia Silvera

   Article Pages: 463 - 471

4. Differences in allocation patterns in clonal and sexual offspring in a woodland pseudo-annual

   • René Verburg
   • Danny Grava

   Article Pages: 472 - 477

5. Island biogeography and the reproductive ecology of great tits Parus major

   • David A. Wiggins
   • Anders Pape Møller
   • L. Arriana Brand

   Article Pages: 478 - 482

6. 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. Hancock
   • Jane M. Hughes
   • Stuart E. Bunn

   Article Pages: 483 - 491

7. Plasticity of insect reproduction: testing models of flexible and fixed development in response to different growth rates

   • Gregory S. Moehrlin
   • Steven A. Juliano

   Article Pages: 492 - 500

8. 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

9. Relaxation of an induced defense after exclusion of herbivores: spines on Acacia drepanolobium

   • Truman P. Young
   • Bell D. Okello

   Article Pages: 508 - 513

10. Seasonality of sap-sucking insects (Auchenorrhyncha, Hemiptera) feeding on Ficus (Moraceae) in a lowland rain forest in New Guinea

    • Vojtech Novotny
    • Yves Basset

    Article Pages: 514 - 522

11. 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

12. Fire, nitrogen, and defensive plasticity in Nicotiana attenuata

    • Gladys Y. Lynds
    • Ian T. Baldwin

    Article Pages: 531 - 540

13. Allocation of nitrogen to an inducible defense and seed production in Nicotiana attenuata

    • Ian T. Baldwin
    • Dawn Gorham
    • Gladys Y. Lynds

    Article Pages: 541 - 552

14. Soil-plant interactions in a neotropical mangrove forest: iron, phosphorus and sulfur dynamics

    • Ruth E. Sherman
    • Timothy J. Fahey
    • Robert W. Howarth

    Article Pages: 553 - 563

15. Physiological response to complex environments in annual Polygonum species of contrasting ecological breadth

    • S. E. Sultan
    • A. M. Wilczek
    • G. Hand

    Article Pages: 564 - 578

16. Properties of food loads delivered to nestlings in the pied flycatcher: effects of clutch size manipulation, year, and sex

    • P. Siikamäki
    • J. Haimi
    • O. Rätti

    Article Pages: 579 - 585

17. Resource tracking in aphids: programmed reproductive strategies anticipate seasonal trends in habitat quality

    • A. F. G. Dixon
    • R. Kundu

    Article Pages: 586 - 586