1. Impacts of hydroperiod on growth and survival of larval amphibians in temporary ponds of Central Pennsylvania, USA

   • Christopher L. Rowe
   • William A. Dunson

   Original Paper Pages: 397 - 403

2. Environmental constraints on the foraging behaviour of a dwarf antelope (Madoqua kirkii)

   • Martha Bertha Manser
   • Peter Nicolas Meade Brotherton

   Original Paper Pages: 404 - 412

3. The influence of colonization in nested species subsets

   • Rosamonde R. Cook
   • James F. Quinn

   Original Paper Pages: 413 - 424

4. Determination of the quantum efficiency of photosystem II and of non-photochemical quenching of chlorophyll fluorescence in the field

   • Wolfgang Bilger
   • Ulrich Schreiber
   • Michael Bock

   Original Paper Pages: 425 - 432

5. Geographical and latitudinal variation in growth patterns and adult body size of Swedish moose (Alces alces)

   • Håkan Sand
   • Göran Cederlund
   • Kjell Danell

   Original Paper Pages: 433 - 442

6. Environmental controls on the photosynthesis and respiration of a boreal lichen woodland: a growing season of whole-ecosystem exchange measurements by eddy correlation

   • S.-M. Fan
   • M. L. Goulden
   • T. R. Moore

   Original Paper Pages: 443 - 452

7. The effects of density, rainfall and environmental temperature on body condition and fecundity in the common toad, Bufo bufo

   • C. J. Reading
   • R. T. Clarke

   Original Paper Pages: 453 - 459

8. Leaf litter processing and exoenzyme production on leaves in streams of different pH

   • Michael B. Griffith
   • Sue A. Perry
   • William B. Perry

   Original Paper Pages: 460 - 466

9. Interspecific and intraspecific differences in shoot and leaf lifespan of four Carex species which differ in maximum dry matter production

   • Rien Aerts
   • Hannie de Caluwe

   Original Paper Pages: 467 - 477

10. Environmental constraints on the growth, photosynthesis and reproductive development of Dryas octopetala at a high Arctic polar semi-desert, Svalbard

    • P. A. Wookey
    • C. H. Robinson
    • J. A. Lee

    Original Paper Pages: 478 - 489

11. Frequency-dependent selection in a wild plant-pathogen system

    • Pierre Chaboudez
    • J. J. Burdon

    Original Paper Pages: 490 - 493

12. Pathogen-induced systemic resistance in Ipomoea purpurea

    • Ellen L. Simms
    • Todd J. Vision

    Original Paper Pages: 494 - 500

13. Spatial and temporal variation in recruitment and its effects on regulation of parasite populations

    • Barbara J. Downes

    Original Paper Pages: 501 - 510

14. The intensity of interference varies with resource density: evidence from a field study with snow buntings, Plectrophenax nivalis

    • Paul M. Dolman

    Original Paper Pages: 511 - 514

15. Brood reduction facilitates female but not offspring survival in the great tit

    • Peeter Hõrak

    Original Paper Pages: 515 - 519

16. Smoke-induced germination of succulents (Mesembryanthemaceae) from fire-prone and fire-free habitats in South Africa

    • S. M. Pierce
    • K. Esler
    • R. M. Cowling

    Short Communication Pages: 520 - 522